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October 2025
Date | Event | Distance | Location | Description |
---|---|---|---|---|
10/08/2025 | Fog City Run | 5K | San Francisco, CA | The course is a hilly 5K (ish) route through the Marina neighborhood and the Presidio. |
10/10/2025 | Mile Madness Endurance Run | 72H, 48H, 24H, 100M, 12H, 6H | Rocklin, CA | The course is 1.05 miles in length, meaning you will need to run 96 laps to get your 100-Mile buckle. |
10/11/2025 | Bizz Johnson | 50K, 26.2M, 13.1M, 10K | Susanville, CA | The Bizz Johnson Trail Marathon and 50K distances begin at Mason Station with an out and back on McCoy Road. |
10/11/2025 | Byxbee Parkrun | 5K | Palo Alto, CA | A free, fun, and friendly weekly 5k community event. Walk, jog, run, volunteer or spectate – it's up to you! |
10/11/2025 | Granite Head Trails & Ales | 11.2M, 6.6M | Granite Bay, CA | Granite Head is definitely the cure for what ales you! |
10/11/2025 | Look Good Feel Good Race | 26.2M, 13.1M, 10K, 5K | San Leandro, CA | Fasten your running/walking shoes and experience an adventurous run along the San Francisco east bay shoreline. |
10/11/2025 | Mt. Umunhum Trail Conquest | 50K, 26.2M, 13.1M, 5K | San Jose, CA | This race starts at the Hacienda Entrance of Almaden Quicksilver Park. |
10/11/2025 | Ruth Anderson Memorial Endurance Run | 100K, 50M, 50K | San Francisco, CA | Race HQ (bib#s, Start) : Lake Merced Blvd. & Sunset Blvd., San Francisco, CA. |
10/11/2025 | Wicked Wine Run | 5K | American Canyon, CA | Join the Wicked Wine Run for a fun-filled day of running or walking through the scenic vines, followed by wine, music, and friends! |
10/12/2025 | Cindy's Race 10K/6K | 10K, 6K, 1K | Santa Rosa, CA | 1 in 8 women will be diagnosed with breast cancer in their lifetime. Cindy is a mother, a wife, a friend who received this diagnosis. So, we race. |
10/12/2025 |
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10K , 5K | San Francisco, CA | City Beer Runs combines fully supported 5K and 10K runs with some of the best beer around to create one big run loving social event! Each run starts at a local brew house and works its way through city streets before ending back at the host watering hole for a post run social! Save $5 with coupon code SWEAT. |
10/12/2025 | Clo Cow Half Marathon | 13.1M, 10K, 5K | Petaluma, CA | The running of the Clo Cow Half Marathon, 10K & 5K is set to return to Historic Downtown Petaluma. |
10/12/2025 | Humboldt Redwoods Marathon | 26.2M, 13.1M, 5K | Weott, CA | This race is in Humboldt Redwoods State Park and the Half Marathon follows the second half of the iconic Avenue of the Giants Marathon course. |
10/12/2025 | Lake Evans 5K/10K | 10K, 5K | Bakersfield, CA | 5K & 10K Run/Walk. |
10/12/2025 | Run for Education | 10K, 5K | San Ramon, CA | Come for the Run, Stay for the Fun. |
10/12/2025 | Run for Vision 5K | 5K | San Francisco, CA | TBD. Join us at the Run for Vision 5K in October for a great race. |
10/15/2025 | Fog City Run | 5K | San Francisco, CA | The course is a hilly 5K (ish) route through the Marina neighborhood and the Presidio. |
10/17/2025 | Lake Tahoe Marathon Weekend | 72M, 52.4M, 26.2M, 13.1M | South Lake Tahoe, CA | October 17-19, 2025. |
10/17/2025 | Lake Tahoe Marathon: Nevada Half | 13.1M | South Lake Tahoe, CA | The Nevada Half Marathon is a boutique down hill half marathon starting at the top of Spooner Summit, ending on the bike path on Lakeshore Drive. |
10/18/2025 | Break Free Run | 10K, 5K | Folsom, CA | Stand up against human trafficking this October by registering for the Break Free Run! |
10/18/2025 | Byxbee Parkrun | 5K | Palo Alto, CA | A free, fun, and friendly weekly 5k community event. Walk, jog, run, volunteer or spectate – it's up to you! |
10/18/2025 | Cal-Neva Marathon | 26.2M | Lake Tahoe, CA | The Cal-Neva Marathon is a boutique marathon limited 100 to a la carte runners. It is run as part of the Tahoe Triple. |
10/18/2025 | California Gold Rush Trail Run | 13.1M, 15K, 10K, 5K | Coloma, CA | All of the courses are a mix of very appealing singletrack dirt trails and a few paved areas. |
10/18/2025 | Diablo Summit Stomp | 30K, 13.1M, 10K, 5K | Coloma, CA | Courses are all on dirt trails, heading out from Castle Rock park in Walnut Creek, heading into Mount Diablo State Park -- all the way to the summit for the 30K. |
10/18/2025 | Donut Fun Run | 5K | Alameda, CA | The Donut Fun Run will be a timed, donut-themed 5k race held at Alameda Point's Seaplane Lagoon Promenade. |
10/18/2025 | Head for the Cure 5K - San Francisco | 5K | San Francisco, CA | Join us for our annual Head for the Cure 5K - San Francisco as we raise funds, awareness, and hope for the San Francisco brain tumor community! |
10/18/2025 | John Wayne Grit Series - Lone Pine | 13.1M, 10K | Lone Pine, CA | The run benefits John Wayne Cancer Foundation. |
10/18/2025 | Lake Tahoe Marathon: Carnelian Bay Half | 13.1M | Lake Tahoe, CA | This boutique half marathon course starts from Carnelian Bay and ends at Meadow Drive & H89. |
10/18/2025 | Oktoberfest Fun Run | 10K, 5K | Campbell, CA | Kick off your Oktoberfest celebrations at Campbell’s Annual Oktoberfest Fun Run 10K, 5K & Kids' Dash. |
10/18/2025 | Willow Hills XC | 5K | Folsom, CA | This 5k race is run in two loops of rolling hills around a water reservoir right next to Folsom High School. |
10/19/2025 | Big Steps for Little Friends 5K | 5K | San Francisco, CA | NLF’s Big Steps for Little Friends 5K Run/Walk will be at Golden Gate Park. |
10/19/2025 | Cloverdale Vineyard Races | 26.2M, 13.1M, 10K, 5K | Cloverdale, CA | Join us for our annual event, with all races in the vineyards near the historic Asti Winery! |
10/19/2025 | Dia de los Muertos Half | 13.1M, 5K | Bakersfield, CA | Join Us for a Vibrant Celebration of Life and Remembrance! |
10/19/2025 | Fresno Donut Run | 5K | Fresno, CA | A fun Donut Themed 5k Run & Walk at Woodward Park! |
10/19/2025 | Great Pumpkin Run | 13.1M, 10K, 5K | Half Moon Bay, CA | The world-famous Half Moon Bay Art & Pumpkin Festival is the season’s signature event, drawing hordes of visitors to the “World Pumpkin Capital” for an epic festival. |
10/19/2025 | Lafayette Reservoir Run | 10K, 5K, 2M | Lafayette, CA | The Run is the city’s most popular “family affair”. |
10/19/2025 | Lake Tahoe Marathon | 26.2M | South Lake Tahoe, CA | TBD. Sunday's Marathon is the original Lake Tahoe Marathon , and is the 3rd marathon of the Triple Marathon. |
10/19/2025 | San Mateo Rotary Fun Run | 10K, 5K | San Mateo, CA | San Mateo Rotary Fun Run |
10/19/2025 | Women's Run San Francisco - Mermaid Series | 10M, 10K, 5K | San Francisco, CA | 5k, 10k, Sirena10 Mile, Mermaid Dash, Virtual Run. |
10/22/2025 | Fog City Run | 5K | San Francisco, CA | The course is a hilly 5K (ish) route through the Marina neighborhood and the Presidio. |
10/25/2025 | Big Sur River Run | 10K, 5K | Big Sur, CA | TBD. A beautiful loop course along the Big Sur River and the towering redwood trees of Pfeiffer Big Sur State Park. |
10/25/2025 | Byxbee Parkrun | 5K | Palo Alto, CA | A free, fun, and friendly weekly 5k community event. Walk, jog, run, volunteer or spectate – it's up to you! |
10/25/2025 | CASA of Kern County Superhero Run | 10K, 5K, 2K | Bakersfield, CA | Join fellow heroes and villains as we run, walk, and fly in support of children in foster care. |
10/25/2025 | Miles for Migraine - San Francisco | 5K | San Francisco, CA | This event is a fundraiser for Migraine & Headache Awareness, Treatment & Research. |
10/25/2025 | Monster Mash Dash | 5K | Fresno, CA | This Halloween-themed annual race is a not to miss event and we guarantee you will experience a spooktacular fun time! Wear a Costume and be in our Costume Contest! |
10/25/2025 | Napa Wine Country Marathon | 26.2M, 13.1M, 10K | Calistoga, CA | Babbling streams will be your soundtrack as you challenge yourself on the lush singletrack within Bothe-Napa Valley State Park. |
10/25/2025 | Oakland Hills Trail Run | 35K, 13.1M, 10K | Oakland, CA | A hidden redwood forest lies in the hills just a few miles over the ridge from downtown Oakland. |
10/25/2025 | Pinkathon Challenge for Breast Cancer | 50K, 26.2M, 13.1M, 10M, 10K, 5K | San Francisco, CA | The Pinkathon will happen as both an In-Person Event on Saturday, October 19, 2024 and as a Virtual Challenge that you can do wherever you want during the month of October! |
10/25/2025 | Trail Run at Sly Park | 50K, 26.2M, 18M, 13.1M, 8.5M, 10K, 5K | Pollock Pines, CA | This event is held at the Sly Park Recreation Area in Pollock Pines, and it’s held under special use permit with the El Dorado National Forest. |
10/26/2025 | Bakersfield Monster Mash Dash | 5K | Bakersfield, CA | This Halloween-themed annual race is an event that you won't want to miss and we guarantee you will experience a spooktacular fun time! |
10/26/2025 | Day of The Dead 5K | 5K | Fair Oaks, CA | Our race begins in the center of Old Fair Oaks Village before descending over the bridge along the scenic American River Trail. |
10/26/2025 | Dia de los Miles | 5K | Elk Grove, CA | Celebrate Hispanic heritage by joining us for the annual Dia de los Miles 5K and kids’ fun runs. |
10/26/2025 | Dia De Los Muertos 5K | 5K | Clovis, CA | Join us at this special celebration for "Dia de los Muertos"! Participants are encouraged to dress in their Dia de los Muertos make up and costumes! |
10/26/2025 | LMJS Fourth Sunday Race - October | 15K, 10K, 5K | Oakland, CA | The distances offered at these races are a 5K (once around the Lake), a 10K (two times around), and 15K (three times around). |
10/26/2025 | Winters Spooktacular Fun Run | 10K, 5K, 1M | Winters, CA | Grab your costume and running shoes and head out to the Winters Runners and Walkers Club Spooktacular Fun Run and Costume Contest. |
10/29/2025 | Fog City Run | 5K | San Francisco, CA | The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio. |
November 2025
Date | Event | Distance | Location | Description |
---|---|---|---|---|
11/01/2025 | Almaden Hills Run | 50K, 26.2M, 21M, 13.1M, 8M, 10K, 5K | San Jose, CA | This event is set in Almaden Quicksilver Park, in the beautiful hills of Almaden Valley. In a nutshell: It's challenging and very fun. Volunteers get a free future race. |
11/01/2025 | Byxbee Parkrun | 5K | Palo Alto, CA | What is Byxbee Parkrun? A free, fun and friendly weekly 5K community event. Join us every Saturday at 800a.m. in Byxbee Park. |
11/01/2025 | Dia De Los Muertos 5K Race | 5K | Sacramento, CA | Come celebrate Dia De Los Muertos with a 5K. The race will be held at North Natomas Regional Park. It is a flat course held on the sidewalk which is a loop around the entire park. C |
11/01/2025 | Gobble Til You Wobble | 26.2M, 13.1M, 10K, 5K, 1M | Virtual Race | It's time to lace up your running shoes and get your wobble on! Make a difference in the fight against hunger! Embrace the flexibility of this virtual race. |
11/01/2025 | Golden Gate Park XC Open | 5K | San Francisco, CA | A 5k cross country race consisting of two loops (1 big loop, followed by 1 little loop) in beautiful Golden Gate Park. |
11/01/2025 | Halloween Trick or Trot Run - Sacramento | 13.1M, 10K, 5K | Sacramento, CA | Run in our annual Halloween Run, where healthy fitness meets frightful fun! We will even give you some free Halloween candy after your run! Find a friend, set a goal and join this unique run! |
11/01/2025 | Halloween Trick or Trot Run - San Francisco | 13.1M, 10K, 5K | San Francisco, CA | Run in our annual Halloween Run, where healthy fitness meets frightful fun! We will even give you some free Halloween candy after your run! Find a friend, set a goal and join this unique run! |
11/01/2025 | Kaweah Lake Bottom Trail Run | 10K,, 5K | Three Rivers, CA | Get ready for an unforgettable experience! This exciting race invites runners of all levels to challenge themselves on a unique out and back course. |
11/01/2025 | Lodi Heroes Run | 10K, 5K | Lodi, CA | Enjoy a day filled with something for everyone! |
11/01/2025 | Rio Del Lago | 100M | Granite Bay, CA | We are excited to have you join us for this 100 mile event. It offers a variety of terrains that novice and veteran runners will enjoy. |
11/01/2025 | Sacramento"City of Trees" FALL Run | 13.1M, 10K, 5K | Sacramento, CA | Whether you're racing for a personal best or just out for a stroll with friends, this event is all about celebrating the energy and spirit of the city. |
11/01/2025 | San Francisco "Golden Gate City" FALL Run | 13.1M, 10K, 5K | San Francisco, CA | Whether you're racing for a personal best or just out for a stroll with friends, this event is all about celebrating the energy and spirit of the city. |
11/01/2025 | Stevens Creek Striders Saturday Run | 13M, 5M | Cupertino, CA | We meet every Saturday at the Reservoir Parking Lot for a run, often followed by brunch. Don't worry about your pace…no one is left behind and no one will mind having more time to chat! |
11/01/2025 | Tunnel to Towers 5K - Sacramento | 5K | Sacramento, CA | Born from the tragedy of 9/11, the Tunnel to Towers Foundation carries forward a legacy of courage and heroism. |
11/01/2025 | Zombie Runner Halloween | 26.2M, 13.1M, 10K, 5K | San Jose, CA | Run in your Halloween costume along popular Coyote Creek and win a prize. The course is relatively flat, easy to follow and will be marked with directional signage the entire way. |
11/02/2025 | Clarksburg Country Run | 30K, 13.1M, 10K, 5K | Clarksburg, CA | This nearly 60 year old race offers a variety of race distances. You can enjoy a complimentary lunch and a mimosa after the race along with your swag. |
11/02/2025 | Golden Gate Half Marathon | 13.1M, 5K | San Francisco, CA | For longtime locals and first-time visitors alike, this course provides an extraordinary look at San Francisco. |
11/02/2025 | Oakland Tech 5K Fundraiser Race | 5K, 1M | Oakland, CA | Support the Oakland Tech Cross Country and Track Team by running a 5k trail race or 1 mile fun run/walk in Joaquin Miller Park. |
11/02/2025 | San Bruno Mountain Saddle Trail 5K | 5K | SanBruno, CA | DSE holds organized races nearly every weekend in and around SF. Our races are low key, family friendly and open to all runners and walkers of all ages and abilities. |
11/02/2025 | Saratoga 5K | 5K | Saratoga, CA | The Saratoga Education Foundation is excited to announce our annual 5K Fun Run and Walk. |
11/02/2025 | Two Cities Marathon | 26.2M, 13.1M, 10K, 5K | Fresno, CA | All start and finish activities will be located at beautiful Clovis Community College. This Boston qualifying marathon offers a scenic and truly flat course. |
11/05/2025 | Fog City Run | 5K | San Francisco, CA | The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio. |
11/07/2025 | Nor Cal Backyard Ultra | 4.2M | Granite Bay, CA | This is an unparalled trail race set against the stunning backdrop of Folsom Lake in Granite Bay. Discover an unmatched test of stamina and resolve in this one-of-a-kind event. |
11/08/2025 | Byxbee Parkrun | 5K | Palo Alto, CA | What is Byxbee Parkrun? A free, fun and friendly weekly 5K community event. Join us every Saturday at 800a.m. in Byxbee Park. |
11/08/2025 | Dia de los Muertos Pina 5K | 5K | San Jose, CA | Join us for a vibrant celebration of life and rememberance! From the start line to the finish, experience the energy , culture and fun of this unforgettable event. |
11/08/2025 | Lake Chabot Trail Run | 50K, 26.2M, 30K, 13.1M, 5M | Castro Valley, CA | The course starts at the Marina and travels around the popular Lake Chabot Reservoir and surrounding hills. |
11/08/2025 | Mermaid Trail Run | 6H, 13.1M, 9M, 6M, 3M | Woodside, CA | Run, jog or walk through the magical forest of towering redwoods and lush trails at Huddart Park in Woodside. |
11/08/2025 | Mt. Tam Trail Run | 50K, 30K, 13.1M, 10K | Stinson Beach, CA | Mt. Tam Trail Run begins at Stinson Beach and climbs to perched views from Tam before returning via some of the best trails the Headlands have to offer. |
11/08/2025 | Race to Cure Sarcoma 5K | 5K, 1M | Roseville, CA | Sarcoma patients, survivors, their friends and loved ones come together as a community to support research and better treatments to end Sarcoma. |
11/08/2025 | Rancho Hills Fall Trail Run | 50K, 26.2M, 30K, 13.1M, 10M, 8M, 10K, 5K | Morgan Hills, CA | If you are looking for flat and easy move on! But the climbs are well worth it….at the top is a panoramic view of the bay and Santa Cruz Mountains. |
11/08/2025 | San Luis Obispo Spartan Trifecta Weekend | 50K, 21K, 1K | Santa Margarita,CA | This event is a Trifecta Weekend, giving racers the ability to complete a Trifecta (Sprint 5K, Super 10K & Beast 21K) in just one weekend. |
11/08/2025 | Stevens Creek Striders Saturday Run | 13M, 5M | Cupertino, CA | We meet every Saturday at the Reservoir Parking Lot for a run, often followed by brunch. Don't worry about your pace…no one is left behind and no one will mind having more time to chat! |
11/08/2025 | Tulare Santa Fe Trail-A-Thon 5K | 5K | Tulare, CA | All sponsorships benefit this organization's high school scholarship program. |
11/08/2025 | Wicked Wine Run - Paso Robles | 5K, 1K | Paso Robles, CA | Join us at Booker Vineyard and enjoy the beauty of Paso Robles. You will be surrounded by unique terrain that produces world class wines. |
11/09/2025 | Fort to Fort 10K | 10K | San Francisco, CA | Race check-in/race day registration begins 45 minutes prior to race start. Course details are subject to race day modifications based on weather, construction and other factors. |
11/09/2025 | Monterey Bay Half Marathon | 13.1M, 5K, 3K | Monterey, CA | The half marathon begins and ends in historic downtown Monterey, runs along Cannery Row and next to the Pacific Grove Shoreline. |
11/09/2025 | Run the Parkway | 20M, 13.1M | Sacramento, CA | This event will include an approximately four mile untimed Nature Walk! Walkers may turn aound at any point. |
11/09/2025 | San Luis Obispo Spartan Trifecta Weekend | 10K, 5K, 1K | Santa Margarita,CA | This event is a Trifecta Weekend, giving racers the ability to complete a Trifecta (Sprint 5K, Super 10K & Beast 21K) in just one weekend. |
11/09/2025 | TCRS #10 | 5K | Marin, CA | This run is part of a series but you can join in any time. This series is designed for participants to experience the whole variety of running venues in Marin County. |
11/12/2025 | Fog City Run | 5K | San Francisco, CA | The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio. |
11/14/2025 | Southwest Series | 26.2M, 13.1M | Nipton, CA | We have a "no runner left behind" policy and we happily stay until the final finisher crosses the line. Walkers and strollers welcome. |
11/15/2025 | Bed To 5K Run - Sacramento | 13.1M, 10K, 5K | Sacramento, CA | Celebrating new runners! Snoozers! Are you a professional napper with dreams of becoming 5K finisher? Whether you are getting off the couch or out of bed, this event is made for you! |
11/15/2025 | Bed To 5K Run - San Francisco | 13.1M, 10K, 5K | San Francisco, CA | Celebrating new runners! Snoozers! Are you a professional napper with dreams of becoming 5K finisher? Whether you are getting off the couch or out of bed, this event is made for you! |
11/15/2025 | Berkeley Family Fun Run | 1K | Berkeley, CA | Kick off the fun community weekend by walking or running together before the expo opens. |
11/15/2025 | Byxbee Parkrun | 5K | Palo Alto, CA | What is Byxbee Parkrun? A free, fun and friendly weekly 5K community event. Walk, jog, volunteer or spectate. It's up to you! Join us every Saturday at 800a.m. in Byxbee Park. |
11/15/2025 | Falcon Crest Winter Trail Challenge | 26.2M, 30K,13.1M, 8.5M, 10K, 5K | El Dorado Hills, CA | The course follows the trails surrounding Jenkinson Lake through endless pine trees and buttery horse trails. |
11/15/2025 | Kennedy Club Fitness Turkey Trot | 5K | Paso Robles, CA | TBD. Whether you are a seasoned runner or just looking for a fun way to kick off the holiday season come and enjoy the picturesque surroundings of Paso Robles. |
11/15/2025 | Stevens Creek Striders Saturday Run | 5M to 13M | Cupertino, CA | We meet every Saturday at the Reservoir Parking Lot for a run, often followed by brunch. Don't worry about your pace…no one is left behind and no one will mind having more time to chat! |
11/15/2025 | Tierra Redonda Mountain Trail Run | 48H, 24H, 20K, 10K, 5K | Bradley, CA | This event features a runnable 5km, 10km, 20km, 24 hour and 48 hour run on a 10km, 100% dirt, single track trail loop course. |
11/15/2025 | Veteran's Day Freedom Run - Sacramento | 13.1M, 10K, 5K | Sacramento, CA | Celebrate Veteran's Day with our Freedom Run! Kick off the weekend running with friends and family in deep gratitude for the Veterans who have sacrificed so much for our freedom. |
11/15/2025 | Veterans Day Freedom Run - San Francisco | 13.1M, 10K, 5K | San Francisco, CA | Celebrate Veteran's Day with our Freedom Run! Kick off the weekend running with friends and family in deep gratitude for the Veterans who have sacrificed so much for our freedom. |
11/15/2025 | Wascally Wabbit Trail Race | 10K, 7K | Fresno, CA | Feel the sense of satisfaction when you complete this race knowing you have also helped a great cause, helping foster care children attain higher education. |
11/16/2025 | Berkeley Half Marathon | 13.1M, 10K, 5K, 1K | Berkeley, CA | Choose your race or better together -make a team! Thousands of runners will fill the streets to run this hometown favorite! |
11/16/2025 | Miles for Melanoma - San Francisco | 5K | San Francisco, CA | TBD. This annual signature event will bring together local Melanoma patients, survivors, care partners, supporters and health care heroes to fund raise and help continue the fight against Melanoma. |
11/19/2025 | Fog City Run | 5K | San Francisco, CA | The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio. |
11/22/2025 | bRUNch Run | 5K, 1K | Sanger, CA | Join the Wicked Wine Run for a fun filled day of running or walking through the scenic vines, followed by a celebration of mimosas, music and friends! |
11/22/2025 | Byxbee Parkrun | 5K | Palo Alto, CA | What is Byxbee Parkrun? A free, fun and friendly weekly 5K community event. Join us every Saturday at 800a.m. in Byxbee Park. |
11/22/2025 | Darrington Single Track Trail Challenge | 36M, 18M, 10K, 5K | Pilot Hill, CA | Race along the shores of Sacramento's favorite recreational area, Folsom Lake, featuring stony dirt paths that wind along relentless highs with stunning vistas of the lake. |
11/22/2025 | Davis Turkey Trot | 13.1M, 10K, 5K, 2M, 1M | Davis, CA | Enjoy a run/walk through Davis' residential neighborhoods and green belts. |
11/22/2025 | Golden Gate Trail Classic | 50M, 50K | San Francisco, CA | Our race is held in one of the most picturesque, natural environments in the U.S. |
11/22/2025 | Muddy Dash Bay Area | 5K | Pleasanton, CA | Muddy Dash is not your average run! Get ready for up to three miles of messy mayhem. |
11/22/2025 | Santa Cruz Turkey Trot | 10K, 5K | Santa Cruz, CA | Flat, fast out and back courses that begin and end at the back entrance of Natural Bridges State Park. Run though the park and then to West Cliff for some spectacular ocean views. |
11/22/2025 | Stevens Creek Striders Saturday Run | 5M to 13M | Cupertino, CA | We meet every Saturday at the Reservoir Parking Lot for a run, often followed by brunch. Don't worry about your pace…no one is left behind and no one will mind having more time to chat! |
11/22/2025 | Wicked Wine Run - Fresno | 5K, 1K | Sanger, CA | This is a fun day of running or walking through the King's River Vineyard. Wine, music and friends! Don't miss your chance to sip, savor and run at the winery in Sanger! |
11/23/2025 | Golden Gate Trail Classic | 25K, 15K | San Francisco, CA | Experience the Golden Gate Magic! Start in the iconic city of San Francisco, travel across the Golden Gate Bridge and venture into the fabled Marin Headlands. |
11/23/2025 | Kennedy Drive Run | 8K | San Francisco, CA | Race check-in/race day registration begins 45 minutes prior to race start. Course details are subject to race day modifications based on weather, construction and other factors. |
11/23/2025 | Left Over Turkey Trot Crockett | 10K, 5K, 1K | Oakland, CA | Enjoy beautiful Bay Area scenery as you run through miles in the pretty hills of Crockett. |
11/23/2025 | LMJS Fourth Sunday Race | 15K, 10K, 5K | Oakland, CA | The Fourth Sunday Runs are held every month except May (Tilden Tough Ten) and June (Woodmonster!) on the fourth Sunday of the month. |
11/23/2025 | Manda Run | 13.1M, 5K | Loomis, CA | TBD. The Manda Half Marathon enjoys a unique point-to-point scenic route with gently rolling terrain starting in Auburn at Placer High School and finishing at the Train Depot in Downtown Loomis. |
11/26/2025 | Fog City Run | 5K | San Francisco, CA | The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio. |
11/27/2025 | Bakersfield Turkey Day Run | 5K, 1M | Bakersfield, CA | Start Thanksgiving Day off by starting or continuing a new family tradition at the Bakersfield Turkey Day Run on Thanksgiving morning! |
11/27/2025 | Benicia Hand Up Turkey Trot 5K | 5K | Benecia, CA | We are helping to give a "handup" to patients along their journey fighting cancer…with rent and mortgage payments, gas and groceries, medical expenses, utility payments and other needs. |
11/27/2025 | Bishop Ranch Turkey Trot | 5K | San Ramon, CA | Join us on Thanksgiving Day for a 5K run/walk that starts in the heart of City Center and takes you around Lake Annabel along safe paths and gardens. |
11/27/2025 | Cayucos Turkey Trot 5K | 5K | Cayucos, CA | Thanksgiving Day Family 5K Fun Run/Walk. Kids under 12 run free. Dogs, strollers and kiddos on scooters are welcome. |
11/27/2025 | Clovis Turkey Day Run | 5K, 2K | Clovis, CA | What a great way to start your Thanksgiving! Trot on over on Thanksgiving morn and then eat your Thanksgiving feast guilt free. |
11/27/2025 | Coalinga Turkey Trot | 5K, 2K | Coalinga, CA | Trot your way through this event before you head home to feast. This course is family friendly so make sure to sign up your kids, cousins, aunts and uncles! |
11/27/2025 | Concord California Turkey Trot 5K | 5K | Concord, CA | This event benefits Loaves and Fishes of Contra Costa. The course includes varied terrain including grassy fields, park pathways and city streets. |
11/27/2025 | Healdsburg 5K Turkey Trot | 5K | Healdsburg, CA | The tradition continues! This run promises a great time in our community - enjoy the morning in downtown beautiful Healdsburg! |
11/27/2025 | Marin Turkey Trot | 10K, 5K, 1M | Novato, CA | Don't miss out on joining in the Bank of Marin Turkey Trot. Run before you feast! Register before the race sells out! Let's run! |
11/27/2025 | Nitro Turkey Thanksgiving Run | 10K, 5K | San Pablo, CA | Nitro Turkey will be supporting the Food Bank of Contra Costa and Solano. We encourage every little turkey to bring at least one canned good on race day morning. |
11/27/2025 | Oakland Turkey Trot | 5K | Oakland, CA | Earn your days indulgence at the Oakland Turkey Trot on Thanksgiving morning! |
11/27/2025 | Run Against Hunger | 10K, 5K, 1K | Stockton, CA | Kick start Thanksgiving with a fun and healthy tradition! |
11/27/2025 | Santa Rosa Turkey Trot | 5K | Santa Rosa, CA | Join us for a great Thanksgiving morning! This is a flat course you can run, jog or walk. Finish with a smile on your face! |
11/27/2025 | Sausalito FREE Turkey Trot 5K | 5K | Sausalito | This is a small gathering of a runners group. Enter your name next to the bib number on the website…show up…run..that's all. |
11/27/2025 | Silicon Valley Turkey Trot | 10K, 5K | San Jose, CA | Start Thanksgiving Day off on the right foot at the Applied Materials "Silicon Valley Turkey Trot". Many have made the run or walk a Thanksgiving Day tradition. |
11/27/2025 | Turkey Trot Fresno | 5K, 2M | Fresno, CA | The original Fresno Turkey Trot! Run then eat your Thanksgiving feast guilt free. |
11/27/2025 | Zoom Turkey Trot | 13.1M, 10K, 5K | San Jose, CA | Run along the popular Coyote Creek trail Thanksgiving morning and stand to win a turkey! |
11/29/2025 | Byxbee parkrun | 5K | Palo Alto, CA | It is a 5km run - it's you against the clock. Every Saturday at 8:00am. |
11/29/2025 | Quad Dipsea | 28M | Mill Valley, CA | You must run the famed Dipsea Trail as marked. There is a total of 9200 feet of climb and an equal amount of descent in the 28 miles. |
11/29/2025 | Quarry Turkey Half Marathon | 13.1m, 10K, 5K | Fremont, CA | The fun doesn't end on Thanksgiving! The rarely seen Quarry Turkey will make his appearance two days after the big feast, fueled up and ready to take on all the little turkeys! |
11/29/2025 | Run for Coffee Lovers - Sacramento | 13.1M, 10K, 5K | Sacramento, CA | For all coffee lovers, this run is for you! Set a goal today for your next run. Register now for a memorable race experience. |
11/29/2025 | Run for Coffee Lovers - San Francisco | 13.1M, 10K, 5K | San Francisco, CA | For all coffee lovers, this run is for you! Set a goal today for your next run. Register now for a memorable race experience. |
11/29/2025 | Stevens Creek Striders Saturday Run | 13M, 5M | Cupertino, CA | We meet every Saturday at the Reservoir Parking Lot for a run, often followed by brunch. Don't worry about your pace…no one is left behind and no one will mind having more time to chat! |
11/29/2025 | Thanksgiving Turkey Gobble Trot - Sacramento | 13.1M, 10K, 5K | Sacramento, CA | Before you dive into the stuffing and turkey this year, get a run/walk with your family, friends and community. |
11/29/2025 | Thanksgiving Turkey Gobble Trot - San Francisco | 13.1M, 10K, 5K | San Francisco, CA | Before you dive into the stuffing and turkey this year, get a run/walk with your family, friends and community. |
11/30/2025 | McGuire's Breakfast Runs | 8K, 3K | Santa Rosa, CA | Two events - run for fun or as competitive as you like. |
11/30/2025 | Spreckles Lake 5K | 5K, 1M | San Francisco, CA | Two races in one! Challenge yourself with a moderately uphill 1 mile race, a scenic 5K loop or both. |
December 2025
Date | Event | Distance | Location | Description |
---|---|---|---|---|
12/03/2025 | Fog City Run | 5K | San Francisco, CA | The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio. |
12/06/2025 | Byxbee parkrun | 5K | Palo Alto, CA | It is a 5km run - it's you against the clock. Every Saturday at 8:00am. |
12/06/2025 | Calero Trail Run | 50K, 26.2M, 25K, 13.1M, 15K, 10K, 5K | San Jose, CA | Beginning at Calero County Park, this trail run has everything! |
12/06/2025 | High Desert Ultra 50K & 30K | 50K, 30K | Ridgecrest, CA | Loop course over rolling desert terrain on jeep roads, single track trails, and sandy washes. |
12/06/2025 | Last 10K & Final 2 Mile | 10K, 2M | Santa Rosa, CA | TBD. he Last 10k is Empire Runners last race of the calendar year. You will run on paved paths and trails during the race. |
12/06/2025 | MaraFUNrun | 5K | Sacramento, CA | Runnin’ for Rhett hosts the MaraFUNrun in Land Park this year! 3,000 youth athletes from the Sacramento area take part in a 5K race. |
12/06/2025 | Midway Shelter Winter 5K | 5K | Alameda, CA | Join us for another year of the Midway Shelter Winter run and walk. |
12/06/2025 | Peacock Gap Trail Run | 30K, 13.1M, 10K | San Rafael, CA | The courses wind along thick forests and descend out into open trails on the San Pablo Bay side of the park. |
12/06/2025 | Reindeer Run | 10K, 5K | American Canyon, CA | There is something for everyone at the Reindeer Run. We welcome runners and walkers of every level to American Canyon. |
12/06/2025 | River Valley's Jingle Bell Jog | 5K | Yuba City, CA | Join the Jingle Bell Jog 5K Run/Walk and embrace the holiday season! |
12/06/2025 | San Joaquin River Trail Run | 100K, 50K, 25K | Friant, CA | Come out and run some of the best trails in the valley along Millerton Lake and the San Joaquin River. |
12/06/2025 | ZombieRunner Quarry Lakes Run | 26.2M, 30K, 13.1M, 10K, 5K | Fremont, CA | The course starts in the scenic Quarry Lakes Regional Recreation area and follows the popular Alameda Creek Trail up to the mouth of Niles Canyon. |
12/07/2025 | California International Marathon | 26.2M, 2.6M | Sacramento, CA | Our point-to-point, net-downhill course has remained unchanged for 40 years, starting from Folsom’s scenic foothills and ending at the historical California State Capitol. |
12/07/2025 | Krampus Cross Country 5K/10K | 10K, 5K | San Francisco, CA | This one is special for a few reasons... It's the ONLY trail event/race taking place in SF. It's the ONLY event/race featuring Krampus. |
12/07/2025 | Lucha Run | 6K, 3K | Fresno, CA | Get ready for Lucha Run—a lively, family-friendly event to finish the year with a bang! Bring your best "luchador/a" costume and join us for either a 6K run or a 3K (2-mile) walk. |
12/07/2025 | Santa Skivvies Run | 1M | San Francisco, CA | Santa Skivvies Run is an annual holiday underwear fun run/walk and fundraiser benefiting San Francisco AIDS Foundation. |
12/10/2025 | Fog City Run | 5K | San Francisco, CA | The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio. |
12/13/2025 | 12Ks of Christmas | 12K, 2M | Redding, CA | Both races will start at 9am from Lake Redding Park. |
12/13/2025 | Byxbee parkrun | 5K | Palo Alto, CA | It is a 5km run - it's you against the clock. Every Saturday at 8:00am. |
12/13/2025 | Folsom Lake Trail Half Marathon | 13.1M | El Dorado Hills, CA | Come join us for a 95% single track 5% dirt road trail race alongside the beautiful Folsom Lake. |
12/13/2025 | Hark The Herald Half Marathon | 13.1M, 10K | Tiburon, CA | You'll fall in love with San Francisco all over again as you follow this hilly loop trail circumnavigating Angel Island. |
12/13/2025 | Holiday Hustle 5K, 10K Sacramento | 10K, 5K | Sacramento, CA | Adventure through the wonderfully decorated old neighborhoods of Sacramento's Mid-40s. |
12/13/2025 | Holiday Hustle 5K, 10K Walnut Creek | 10K, 5K | Walnut Creek, CA | Adventure through the wonderfully decorated neighborhoods of Walnut Creek. |
12/13/2025 | Holiday Run and Walk for Health | 3M, 1M | Antioch, CA | We are very excited to bring back the Kiwanis Holiday run. |
12/13/2025 | Jingle Bell Run for Toys for Tots | 5K | Fresno, CA | Each year the event welcomes 3,000+ participants and is fast becoming a family annual tradition and raising toys and cash for the Toys for Tots campaign. |
12/13/2025 | Modesto Spirit of Giving 5K | 5K | Modesto, CA | Be part of something big. |
12/13/2025 | Palo Alto Double | 15K, 10K, 5K | Palo Alto, CA | Bring the whole family and enjoy our pre Christmas events. Everybody gets a Santa Hat and all finishers get a medal. |
12/13/2025 | Summit Rock Half Marathon | 13.1M, 10K, 5K | Saratoga, CA | Come join us in the beautiful redwood groves of the Santa Cruz Mountains! |
12/14/2025 | Hanukkah 8 Krazy Kilometers | 8K, 2K | Bakersfield, CA | Runners, joggers and walkers of all ages are invited to the annual Hanukkah 8 Krazy Kilometers. |
12/14/2025 | Jingle Bell 5K | 5K | Sausalito, CA | Jingle Bell 5K and Brunch. |
12/14/2025 | Santa Hustle - Roseville | 13.1M, 5K | Roseville, CA | It’s the most wonderful time of the year! So, find that Christmas spirit and join us. |
12/14/2025 | Santa Run Silicon Valley | 5K | San Jose, CA | The Santa Run Silicon Valley offers a variety of family fun events from a 5K run/walk to a Kids Reindeer dash. |
12/17/2025 | Fog City Run | 5K | San Francisco, CA | The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio. |
12/20/2025 | Bakersfield Jingle Bell Run for Toys for Tots | 5K | Bakersfield, CA | The Jingle Bell Run will feature a Christmas designed Sweatshirts and Jingle Bells to all registered participants. |
12/20/2025 | Byxbee parkrun | 5K | Palo Alto, CA | It is a 5km run - it's you against the clock. Every Saturday at 8:00am. |
12/20/2025 | Clovis Rudolph Run | 5K | Clovis, CA | Continue the newest family tradition! Bring friends and enjoy a fun morning of music and Reindeer Games! |
12/20/2025 | Placerville's Holiday Jingle and Mingle Run | 13.1M, 15K, 10K, 5K | Placerville, CA | This event is run on the El Dorado Trail in beautiful historic Placerville. The path is surrounded with beautiful oak trees, rolling hills, and incredible views. |
12/21/2025 | Rainbow Falls 5K | 5K | San Francisco, CA | The DSE is a club that encourages runners and walkers of all levels to compete, socialize, have fun and improve ourselves. |
12/24/2025 | Fog City Run | 5K | San Francisco, CA | A hilly 5km(ish) route through the Marina neighborhood and the Presidio. |
12/27/2025 | Brazen New Year's Eve | Castro Valley, CA | 13.1M, 10K, 5K | Whether you are looking to squeeze in your first trail run or you're looking to log that 1,000th mile before the year ends, this is your chance! |
12/27/2025 | Byxbee parkrun | 5K | Palo Alto, CA | Byxbee parkrun takes place every Saturday at 8:00am. |
12/28/2025 | LMJS Fourth Sunday Race | 15K, 10K, 5K | Oakland, CA | Come join us at Lake Merritt for one of the East Bay's favorite races! |
12/28/2025 | Windmill 10K | 10K | San Francisco, CA | The DSE is a club that encourages runners and walkers of all levels to compete, socialize, have fun and improve ourselves. |
12/31/2025 | Fog City Run | 5K | San Francisco, CA | The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presidio. |
12/31/2025 | New Year's One Day | 100M, 24H, 12H, 6H | San Jose, CA | Start the New Year running as far as you can or as little as you want. Sign up individually or as a team! |
January 2026
Date | Event | Distance | Location | Description |
---|---|---|---|---|
01/01/2026 | Auburn Resolution Run | 10M, 10K, 5K | Auburn, CA | This is the perfect way to kickstart your New Year's resolutions with a dash of adventure and a breath of fresh air. |
01/01/2026 | Brazen New Year's Day Runs | 13.1M, 10K, 5K | Castro Valley, CA | The sun is rising on New Year's Day? Where should you be? Hitting the trails of Lake Chabot, of course! |
01/01/2026 | Free New Year's Day 5K by Chico Running Club | 5K | Chico, CA | Start the new year off right! Join us for a Chico Running Club tradition - our New Year's 5K! This is a free event, bibs will not be assigned. |
01/01/2026 | New Year's One Day | 24H, 100M, 12H, 6H | San Jose, CA | Start the new year running as far as you can or as little as you want! Sign up individually or as a team! The course is a 6 mile loop. |
01/01/2026 | Resolve2Run | 10K, 5K | Grass Valley, CA | Race begins at 10:00 am at Chicago Park School. |
01/03/2026 | Byxbee Parkrun | 5K | Palo Alto, CA | Byxbee parkrun takes place every Saturday at 8:00am. |
01/03/2026 | Dia De Los Reyes Magos - Bakersfield | 13.1M, 5K | Bakersfield, CA | There is a special day in Mexico that is known as 'El Dia de Reyes' or Three King's Day. Join us for a morning of family fun as we celebrate this special day by running our fast and flat course. |
01/03/2026 | Frosty Fun Run | 4.3M, 2M | Redding, CA | This event takes place at Lake Redding Park. Join us for this race series and earn points for the Frosty Championship |
01/03/2026 | Hacienda Hills Run (Winter) | 50K, 26.2M, 30K, 13.1M, 9M, 10K, 5K, 1M | San Jose, CA | Located just outside of San Jose at the Almaden Quicksilver County Park, we are having a spectacular day of Northern California trail running. |
01/03/2026 | Kiwanis Resolution Run 5K/10K | 10K, 5K | Mountain View, CA | The Resolution Run is ON!! Let's start the new year with a fun race for all! Enjoy a great race in the park and the camaraderie of other runners and some post race music and refreshments. |
01/03/2026 | Lost Coast 55K | 55K | Whitehorn, CA | Run wild, run free! Want to start the new year with a killer adventure? Look no further than the Lost Coast. Rough, remote, yet incredibly runnable backcountry awaits in Humbodlt County. |
01/03/2026 | New Year New Me Run - Sacramento | 13.1M, 10K, 5K | Sacramento, CA | Kick off the new year with energy, excitement and a community of runners ready to chase their goals. Whether you are a seasoned racer or just starting out, this run is for YOU! |
01/03/2026 | New Year New Me Run - San Francisco | 13.1M, 10K, 5K | San Francisco, CA | Kick off the new year with energy, excitement and a community of runners ready to chase their goals. Whether you are a seasoned racer or just starting out, this run is for YOU. |
01/03/2026 | New Year's Duathlon & 5K | 5K | Granite Bay, CA | The New Year's 5K Run/Walk is on a beautiful and fun course with nature trails and lake views. Not to be missed! |
01/03/2026 | Stevens Creek Striders Saturday Run | 2M to 13M | Cupertino, CA | We meet every Saturday, rain or shine, at the Reservoir Parking Lot for a run, often followed by brunch. Varying distances and paces, accomodating all levels of runners. |
01/03/2026 | Sunrise Marathon - Sacramento | 13.1M, 10K, 5K | Sacramento, CA | Rise. Run. Shine. Start your day with purpose, peace and a little pavement. This breathtaking early morning race is designed to energize your soul and awaken your senses. |
01/03/2026 | Sunrise Marathon - San Francisco | 13.1M, 10K, 5K | San Francisco, CA | Rise. Run. Shine. Start your day with purpose, peace and a little pavement. This breathtaking early morning race is designed to energize your soul and awaken your senses. |
01/04/2026 | Dia De Los Reyes Magos - Fresno | 13.1M, 3K | Fresno, CA | There is a special day in Mexico that is known as 'El Dia de Reyes' or Three King's Day. Join us for a morning of family fun as we celebrate this special day by running our fast and flat course. |
01/07/2026 | Fog City Run | 5K | San Francisco, CA | The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presidio. |
01/10/2026 | Byxbee Parkrun | 5K | Palo Alto, CA | Byxbee parkrun takes place every Saturday at 8:00am. |
01/10/2026 | Frosty Fun Run | 4M, 2M | Redding, CA | This event takes place at LEMA Ranch. Join us for this race series and earn points for the Frosty Championship. |
01/10/2026 | Hope in Every Step 5K | 5K | Modesto, CA | This event is set against the beautiful trails of East La Loma Park. Participants will run or walk the course filled with encouragement, camaraderie and a spirit of togetherness. |
01/10/2026 | No Hands Trail Run | 50K, 35K, 13.1M, 8K | Auburn, CA | Participants will run along the historic Western States Trail to "No Hands Bridge", the dreaded K2 training hill and then the punishing Overlook Hill to the finish line. |
01/10/2026 | Stevens Creek Striders Saturday Run | 2M to 13M | Cupertino, CA | We meet every Saturday, rain or shine, at the Reservoir Parking Lot for a run, often followed by brunch. Varying distances and paces, accomodating all levels of runners. |
01/11/2026 | Hot Chocolate 15K/5K | 15K, 5K | San Francisco, CA | A chocolate lover's oasis waits at the post-race party! Celebrate your accomplishment with a finisher mug that includes fondue, dippables and our very own hot chocolate! |
01/14/2026 | Fog City Run | 5K | San Francisco, CA | The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presidio. |
01/17/2026 | Byxbee Parkrun | 5K | Palo Alto, CA | Byxbee parkrun takes place every Saturday at 8:00am. |
01/17/2026 | MLK Freedom Run - Sacramento | 13.1M, 10K, 5K | Sacramento, CA | This event is not about just about fitness; it's a celebration of community, a call to action for social change and a reminder of the work to still be done. Let's run with purpose and passion. |
01/17/2026 | MLK Freedom Run - San Francisco | 113.1M, 10K, 5K | San Francisco, CA | This event is not about just about fitness; it's a celebration of community, a call to action for social change and a reminder of the work to still be done. Let's run with purpose and passion. |
01/17/2026 | Run For Donuts - Sacramento | 13.1M, 10K, 5K | Sacramento, CA | Running for donuts is worth the pain! Get ready for a sweet race! Gather your friends and lace up for a run on a beautiful course and be greeted at the finish line with…donuts. |
01/17/2026 | Run For Donuts - San Francisco | 13.1M, 10K, 5K | San Francisco, CA | Running for donuts is worth the pain! Get ready for a sweet race! Gather your friends and lace up for a run on a beautiful course and be greeted at the finish line with…donuts. |
01/17/2026 | Stevens Creek Striders Saturday Run | 2M to 13M | Cupertino, CA | We meet every Saturday, rain or shine, at the Reservoir Parking Lot for a run, often followed by brunch. Varying distances and paces, accomodating all levels of runners. |
01/18/2026 | Crystal Springs (Winter) Trail Run | 50K, 26.2M, 35K, 13.1M, 8K | Woodside, CA | Experience the towering redwoods, lush ferns, and beautiful trails through Huddart Park, King's Mountain and Bear Gulch. |
01/18/2026 | Redding Marathon | 26.2M, 5K | Redding, CA | Enjoy a scenic journey down stream along the Sacramento River on paved running trails. Watch for bald eagles, osprey and other wildlife! |
01/21/2026 | Fog City Run | 5K | San Francisco, CA | A hilly 5km(ish) route through the Marina neighborhood and the Presidio. |
01/24/2026 | Byxbee Parkrun | 5k | Palo Alto, CA | Byxbee parkrun takes place every Saturday at 8:00am. |
01/24/2026 | Folsom Lake Sweetwater Trail Run | 50K, 26.2M, 30K, 13.1M, 9M, 10K, 5K | El Dorado Hills, CA | This race is run on 95% single-track and 5% dirt road. The course primarily follows the South Side Trail. |
01/24/2026 | Frosty Fun Run | 5M, 2.8M | Redding, CA | This event takes place at Anderson River Park. Join us for this race series and earn points for the Frosty Championship. |
01/24/2026 | Gumby 10K & 5K | 10K, 5K | Granite Bay, CA | This race features a beautiful trail course along the shores of Folsom Lake. |
01/24/2026 | Stevens Creek Striders Saturday Run | 2M to 13M | Cupertino, CA | We meet every Saturday, rain or shine, at the Reservoir Parking Lot for a run, often followed by brunch. Varying distances and paces, accomodating all levels of runners. |
01/25/2026 | LMJS Fourth Sunday Race | 15K, 10K, 5K | Oakland, CA | All those interested in running, whether beginner, walker, jogger or competitive racer are welcome to join our monthly runs. |
01/28/2026 | Fog City Run | 5K | San Francisco, CA | A hilly 5km(ish) route through the Marina neighborhood and the Presidio. |
01/31/2026 | Byxbee parkrun | 5K | Palo Alto, CA | Byxbee parkrun takes place every Saturday at 8:00am. |
01/31/2026 | Coyote Hills Half Marathon | 13.1M, 10K, 5K | Fremont, CA | Howl if you love bay views! Race Forecast: 100% Chance of Awesome! You will find an abundance of scenic views and a variety of surfaces. |
01/31/2026 | Frosty Fun Run | 4M, 2.4M | Redding, CA | This event takes place at Clover Creek Preserve. Join us for this race series and earn points for the Frosty Championship. |
01/31/2026 | Race to the Flagpole | 10K, 5K, 1M | Livermore, CA | This event is open to all ages and abilities. We host this event to encourage awareness and appreciation for fitness, as well as to foster community pride. |
01/31/2026 | Rotary Mission Ten | 13.1M, 10M, 5K | San Juan Bautista, CA | This event has been held for over 40 years. The rural course takes runners through farmland and up the Anzar hills. |
01/31/2026 | Stevens Creek Striders Saturday Run | 2M to 13M | Cupertino, CA | We meet every Saturday, rain or shine, at the Reservoir Parking Lot for a run, often followed by brunch. Varying distances and paces, accomodating all levels of runners. |
February 2026
Date | Event | Distance | Location | Description |
---|---|---|---|---|
02/01/2026 | San Francisco Half Marathon | 13.1M, 10K, 5K | San Francisco, CA | A runners’ favorite for its scenery and value. Fast and certified course through San Francisco’s scenic Golden Gate Park. |
02/04/2026 | Fog City Run | 5K | San Francisco, CA | A hilly 5km(ish) route through the Marina neighborhood and the Presidio. |
02/07/2026 | Byxbee parkrun | 5K | Palo Alto, CA | Byxbee parkrun takes place every Saturday at 8:00am. |
02/07/2026 | Death Valley Marathon | 26.2M, 13.1M, 10K | Death Valley, CA | You'll admire the beauty of the surrounding desert as you follow this paved run from the Oasis Ranch through the heart of Death Valley National Park. |
02/07/2026 | Escape from Folsom 10 Miler and 5K | 10M, 5K | Granite Bay, CA | The Escape from Folsom 5K and 10 Miler both have new courses on scenic trails along the shoreline of Folsom Lake. |
02/07/2026 | Fort Ord Trail Run | 50K, 25K, 10K | Monterey, CA | The Fort Ord Trail Run has a capacity of 600 runners. |
02/07/2026 | Frosty Fun Run | 5.5M, 2M | Redding, CA | Race day registration only. |
02/07/2026 | Golden Gate (Winter) | 50K, 26.2M, 30K, 13.1M, 8K | Sausalito, CA | Enjoy vistas of the Pacific Coast and of the spectacular Marin Headlands with views of Tiburon, San Francisco and the Golden Gate Bridge. |
02/07/2026 | Mt. Umunhum Trail Conquest | 50K, 26.2M, 30K, 13.1M, 7M, 5K | San Jose, CA | This race starts at the Hacienda Entrance of Almaden Quicksilver Park. |
02/08/2026 | Super Bowl Sprint | 5K | Visalia, CA | Get those running shoes ready! It's time to lace up for a great cause with Creative Center Foundation's Annual Super Bowl Sprint. |
02/11/2026 | Fog City Run | 5K | San Francisco, CA | A hilly 5km(ish) route through the Marina neighborhood and the Presidio. |
02/14/2026 | Bay Breeze | 13.1M, 10K, 5K | San Leandro, CA | Known for its romantic vistas of San Francisco and the Bay, our Bay Breeze race sets the stage for romance, whether you are in love with running or not. |
02/14/2026 | Byxbee parkrun | 5K | Palo Alto, CA | Byxbee parkrun takes place every Saturday at 8:00am. |
02/14/2026 | Fresno Valentine Run | 5K, 2M | Fresno, CA | A family tradition since 2002! |
02/14/2026 | Frosty Fun Run | 4M, 2.5M | Redding, CA | Join us for this 8 race series. Races are on Saturday mornings at a different location each week. |
02/18/2026 | Fog City Run | 5K | San Francisco, CA | A hilly 5km(ish) route through the Marina neighborhood and the Presidio. |
02/21/2026 | Byxbee parkrun | 5K | Palo Alto, CA | Byxbee parkrun takes place every Saturday at 8:00am. |
02/21/2026 | Corporal Javier Bejar Memorial Run Reedley Police Department | 6M | Reedley, CA | This memorial run is more than a race—it’s a tribute to courage, service, and community. |
02/21/2026 | FOURmidable | 50K, 35K, 13.1M, 13K | Auburn, CA | FOURmidable trail races, an exhilarating adventure that promises to test your limits and immerse you in the breathtaking beauty of the Sierra Nevada foothills. |
02/21/2026 | Frosty Fun Run | 4M, 2.4M | Redding, CA | Join us for this 8 race series. Races are on Saturday mornings at a different location each week. |
02/21/2026 | Lost Trail Half | 13.1M, 5K | Granite Bay, CA | The Lost Trail 5K and Half Marathon have very well-marked courses that offer scenic lake views with lots of beautiful wildflowers in between well-stocked aid stations. |
02/21/2026 | Montara Mountain Trail Run | 50K, 26.2M, 20M, 13.1M, 10K | Pacifica, CA | Montara Mountain features the only undisturbed Coastal Mountain Habitat found over 100 miles of coastline. |
02/21/2026 | Redtail Ridge | 50K, 30K, 13.1M, 10K, 5K | Castro Valley, CA | This is one of our typically faster races with less elevation and some paved sections. |
02/22/2026 | FCancer Race | 10K, 5K | Middletown, CA | Everyone knows someone touched by Cancer, so you know what?? F*** CANCER! I know its harsh, but sometimes you have to just feel your feelings. Come run or walk it out. |
02/22/2026 | LMJS Fourth Sunday Race | 15K, 10K, 5K | Oakland, CA | All those interested in running, whether beginner, walker, jogger or competitive racer are welcome to join our monthly runs. |
02/25/2026 | Fog City Run | 5K | San Francisco, CA | A hilly 5km(ish) route through the Marina neighborhood and the Presidio. |
02/28/2026 | Byxbee parkrun | 5K | Palo Alto, CA | Byxbee parkrun takes place every Saturday at 8:00am. |
02/28/2026 | Frosty Fun Run | 4.3M, 2M | Redding, CA | Join us for this 8 race series. Races are on Saturday mornings at a different location each week. |
02/28/2026 | Have a Heart for Kids 5K | 5K | Yuba City, CA | The Have a Heart for Kids 5K Run/Walk is a fundraiser for the Yuba City Education Foundation. |
02/28/2026 | Salmon Falls 50K | 50K | Coloma, CA | The Salmon Falls 50K is a point to point ultra distance trail race. |
02/28/2026 | Sanborn Trail Challenge | 13.1M. 8M, 4M | Saratoga, CA | TBD. The course is 95% single track trail, extremely mountainous, very technical, lushly wooded with a mixed evergreen forest. |
02/28/2026 | Support Blue Run | 10K, 5K | Fresno, CA | Join us at this year's Support Blue Run to show your support for our men and women in law enforcement who protect our Valley. |
02/28/2026 | Victory Race | 13.1M, 10K, 5K | Richmond, CA | Starting at the historic Craneway Pavilion, all distances will run out along the San Francisco Bay Trail with breathtaking views of the San Francisco Bay. |
March 2026
Date | Event | Distance | Location | Description |
---|---|---|---|---|
03/01/2026 | Livermore Valley Half Marathon | 13.1M, 5K | Livermore, CA | Join the Livermore Valley Half Marathon in California’s oldest wine region featuring a ‘Best of the Bay’ award. The 13.1 mile run is followed by the famed wine, beer & music festival. |
03/01/2026 | Napa Valley Marathon | 26.2M, 13.1M, 5K | Calistoga, CA | Following the famed Silverado Trail from Calistoga to Napa, our point to point marathon passes beautiful scenery & some of the most world-renowned wineries along the way. |
03/01/2026 | Zoom Angel Island | 15M, 10M, 5M | Tiburon, CA | Enjoy spectacular views of Marin County, San Francisco and the Golden Gate as you run this hilly, grass and forest covered island. |
03/04/2026 | Fog City Run | 5K | San Francisco, CA | A hilly 5km(ish) route through the Marina neighborhood and the Presidio. |
03/07/2026 | 5K & Polar Plunge - Sacramento | 5K, 1M | Granite Bay, CA | This event is an iconic tradition in which brave supporters of Special Olympics raise funds by taking a quick dip in chilly waters. |
03/07/2026 | Byxbee parkrun | 5K | Palo Alto, CA | Byxbee parkrun takes place every Saturday at 8:00am. |
03/07/2026 | Chanoko Trail Runs | 50K, 31K, 5M | Granite Bay, CA | Participants have a choice of three distances. |
03/07/2026 | Race to the Top of Mt. Umunhum Vert Trail Challenge | 13.1M | San Jose, CA | TBD. This course is Point to Point. We will provide transportation back to the start line. Courses will be marked with ribbons, cones, signs and gypsum. |
03/07/2026 | Run for Mental Health - Sacramento | 13.1M, 10K, 5K | Sacramento, CA | Mental health is just as important as physical health and every step you take can help make a difference. |
03/07/2026 | Run for Mental Health - San Francisco | 13.1M, 10K, 5K | San Francisco, CA | Mental health is just as important as physical health and every step you take can help make a difference. |
03/07/2026 | Super Heroes Run - Sacramento | 13.1M, 10K, 5K | Sacramento, CA | This exciting event celebrates the super hero in everyone! |
03/07/2026 | Super Heroes Run - San Francisco | 13.1M, 10K, 5K | San Francisco, CA | This exciting event celebrates the super hero in everyone! |
03/07/2026 | Way Too Cool Endurance Run | 50K, 10M | Cool, CA | This race has become the most sought after 50K in the United States for veterans and novices alike. |
03/08/2026 | Artesa Wine Run 5K | 5K | Napa, CA | Whether you are looking to run, walk or just enjoy the wine and camaraderie this race is a sure thing for a great time and incredible experience. |
03/08/2026 | Foggy Bottom Milk Run | 10M, 4M, 2M | Ferndale, CA | The Foggy Bottom Milk Run is a wonderful family event, with team trophies in the 2 mile school team divisions, and age group awards in the 4 mile and 10 mile events. |
03/08/2026 | Tesoro Viejo Spring Classic | 13.1M, 10K, 5K | Madera, CA | This will take you away from busy city streets to tranquil paths through some of the most beautiful SPRING scenery which rivals any run in the State. |
03/11/2026 | Fog City Run | 5K | San Francisco, CA | A hilly 5km(ish) route through the Marina neighborhood and the Presidio. |
03/14/2026 | Byxbee parkrun | 5K | Palo Alto, CA | Byxbee parkrun takes place every Saturday at 8:00am. |
03/14/2026 | Folsom Lake South Side Trail Runs | 50K, 26.2M, 30K, 13.1M, 10M, 7.5M, 10K, 5K, 1M | Folsom, CA | TBD. Great running with oak trees, lush green grass, nice scenery, views of Folsom Lake, the surrounding foot hills and the snowcapped Sierra Mountains. |
03/14/2026 | Marin Ultra Challenge | 50M, 50K | Sausalito, CA | The Marin Ultra Challenge, our premier Marin County long distance trail race, delivers ample hills and sweeping descents. |
03/14/2026 | Rocky Hill | 10K, 5K | Exeter, CA | We are the best kept secret in the Central Valley in the foothills of the Sierra Nevada mountain range. |
03/14/2026 | Shamrock'n | 10K, 5K | Sacramento, CA | Celebrate St. Patrick’s Day with a Shamrock-themed Half Marathon, 10K, 5K and Fun Run! |
03/14/2026 | Sloth Run - Sacramento | 13.1M, 10K, 5K | Sacramento, CA | Get ready to embrace a refreshing twist on racing! This unique event is all about taking it slow and enjoying the journey, where the motto is "Slow is the new fast!". |
03/14/2026 | Sloth Run - San Francisco | 13.1M, 10K, 5K | San Francisco, CA | Get ready to embrace a refreshing twist on racing! This unique event is all about taking it slow and enjoying the journey, where the motto is "Slow is the new fast!". |
03/14/2026 | St. Paddy's Day Lucky Run - Sacramento | 13.1M, 10K, 5K | Sacramento, CA | Get ready to lace up your shoes and celebrate the spirit of St. Patrick's Day. Join a lively community of fellow revelers as you don your favorite green gear. |
03/14/2026 | St. Paddy's Day Lucky Run - San Francisco | 13.1M, 10K, 5K | San Francisco, CA | Get ready to lace up your shoes and celebrate the spirit of St. Patrick's Day. Join a lively community of fellow revelers as you don your favorite green gear. |
03/14/2026 | Whale Run and Walk | 13.1M, 10K, 5K | Fort Bragg, CA | Whale Run kicks off the Whale Festival! The ocean and trails are as magnificent as ever and we know you will love the breathtaking white water views (including whales) and all the festivities on race day. |
03/15/2026 | Shamrock'n Half Marathon | 13.1M | Sacramento, CA | The Shamrock'n 5K, 10K and Leprechaun Dash will be on Saturday. The Shamrock'n Half Marathon will be on Sunday. |
03/15/2026 | St Patrick's Day Run | 4M, 2M | Fresno, CA | Whether you run or walk the Shamrock 4 Miler or our GREEN Leprechaun 2 Miler you'll have a great time..... |
03/18/2026 | Fog City Run | 5K | San Francisco, CA | A hilly 5km(ish) route through the Marina neighborhood and the Presidio. |
03/21/2026 | 5K & Polar Plunge - Bay Area | 5K | San Francisco, CA | This event is an iconic tradition in which brave supporters raise funds for Special Olympics by taking a quick dip in chilly waters. |
03/21/2026 | Byxbee parkrun | 5K | Palo Alto, CA | Byxbee parkrun takes place every Saturday at 8:00am. |
03/21/2026 | Eat.Learn.Play. Kid's Run | 1M, .5M, .25M | Oakland, CA | Welcome to the Oakland Kid's Celebration of Play. We have running distances for ages 0-12 years as well as activities and music. |
03/21/2026 | Marina Double 15K | 15K, 10K, 5K | Brisbane, CA | This course is one of the most beautiful in the Bay Area. Run either the 10K, 5K Run/Walk or the Double Double 15K. |
03/21/2026 | Mighty Dog Trail Runs | 10K, 5K | Granite Bay, CA | This event offers two distances: 5K and 10K - both for walkers, runners and their dogs! |
03/21/2026 | Napa Valley Trail Marathon | 26.2M, 13.1M, 10K | Calistoga, CA | The course is a bit challenging with the hills, streams and rocks - which makes it all the more exciting and rewarding. |
03/21/2026 | Rattlesnake Dick | 50K, 25K, 10K | Cool, CA | The year is 1856. Rattlesnake Dick, known as the Pirate of the Placers, stalks the Auburn hills. Join our outlaw posse and race to find his stolen loot. |
03/21/2026 | Redwood Trail Run Spring | 50K, 26.2M, 30K, 13.1M, 5M | Oakland, CA | The course travels through beautiful Redwood Regional Park. |
03/21/2026 | South Hills Single Track Trail Run | 50K, 26.2M, 16M, 13.1M, 9M ,10K, 5K | San Jose, CA | TBD. Beginning at Calero County Park, this trail run has everything! Experience awesome single track, great hills and dirt paths. |
03/21/2026 | Spirit of Benny | 10K, 5K | Placerville, CA | The Spirit of Benny® is more than another 5K or 10K race. It is an annual celebration to honor the memory of a special boy while helping others in difficult circumstances. |
03/21/2026 | TRUSS Wines 5K Wine Run | 5K | Paso Robles, CA | Join us for an amazing tour of this iconic landscape and enjoy some amazing locally produced wines after the event! |
03/22/2026 | Bakersfield Marathon | 26.2M, 13.1M, 10K, 6K | Bakersfield, CA | The Bakersfield Marathon has a race for everyone! You will enjoy the scenic courses through Downtown Bakersfield. |
03/22/2026 | Lag Bon 10K | 10K | Fairfax, CA | A trail running fundraiser dedicated to World Water Day. |
03/22/2026 | LMJS 4th Sunday Run | 15K, 10K, 5K | Oakland, CA | All those interested in running, whether beginner, walker, jogger or competitive racer are welcome to join our monthly runs. |
03/22/2026 | Modesto Marathon | 26.2M, 13.1M, 10K, 5K | Modesto, CA | The flat, fast course will be open 7 hours, allowing adequate time for first-time marathoners. |
03/22/2026 | Oakland Marathon | 26.2M, 13.1M, 10K, 5K | Oakland, CA | This event has been nationally recognized as the Bay Area race to run by Competitor Magazine. The people of Oakland make you feel welcome from start to finish. |
03/25/2026 | Fog City Run | 5K | San Francisco, CA | The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presido. |
03/28/2026 | Bad Ass Backyard Ultra | 4.16M | Rio Linda, CA | In the traditional style, runners will have one hour to complete each 4.16M loop. Each new loop will begin every hour on the hour. |
03/28/2026 | Boardwalk Fun Run | 5K, 1K | Santa Cruz, CA | Lace up your shoes and join the fun with this family friendly race through the Santa Cruz Beach Boardwalk. Run, jog or walk along the course. |
03/28/2026 | Byxbee parkrun | 5K | Palo Alto, CA | It is a 5km run - it's you against the clock. Every Saturday at 8:00am. |
03/28/2026 | Doggie Dash | 5K | Redding, CA | The Doggie Dash 5k Fun Run is a dog-friendly event perfect for the whole family! |
03/28/2026 | Folsom Lake Falcon Crest Trail Run | 13.1M, 8M, 10K, 5K | El Dorado Hills, CA | TBD. This race is run in the beautiful, awesome foothills of El Dorado Hills. The courses are fast to run on - and lots of fun. |
03/28/2026 | Knickerbocker Canyon Trail Run | 35K, 13.1M, 10K, 5K | Auburn, CA | Participants of this race will run the historic Western States Trail along the banks and canyons of the American River. |
03/28/2026 | UHC Foundation Summer Fun Run | 10K, 5K | Fresno, CA | Get ready to lace up your sneakers! Join our community members and experience the thrill of the electrifying day at Woodward Park and make meaningful memories. |
03/28/2026 | Western Pacific Half Marathon | 13.1M, 10K, 5K | Fremont, CA | All races start and finish at Quarry Lakes Recreation Area. The courses are mostly dirt/fire trail with a very small portion of pavement at the beginning and end. |
03/28/2026 | Zoom San Francisco | 13.1M, 10K, 5K | San Francisco, CA | All races start and finish at Crissy Field and head west along the Golden Gate Promenade. All races offer spectacular and historic views of San Francisco. |
03/29/2026 | Golden State 5K | 5K | San Francisco, CA | Lace up your running shoes! Thrive City and Mascot Sports are excited to announce this happening! |
Did we miss any races? Please email us the race details (including web site URL) and you'll be entered in a monthly contest to win cool prizes. Race details should be sent to calendar@sweattracker.com