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Race Calendar

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October 2024

Date Event Distance Location Description
10/30/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.

November 2024

Date Event Distance Location Description
11/01/2024 Alameda Halloween Havoc 5K 5K Alameda, CA This traditional 5K is out and around Alameda Point. The course will be well marked and showcase the beautiful views at sunset.
11/02/2024 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.
11/02/2024 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.
11/02/2024 Dia de los Muertos Run 10K, 5K San Jose, CA This event will feature a family friendly 5K and 10K run/walk route, music, entertainment and a health resource fair. Participants are encouraged to dress in their Dia de los Muertos make-up and costumes.
11/02/2024 Lodi Heroes Run 10K, 5K Lodi, CA Enjoy a day filled with something for everyone!
11/02/2024 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.
11/02/2024 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.
11/02/2024 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.
11/03/2024 Almond Bowl 10K, 5K Chico, CA Keeping with the Chico tradition we will be hosting a 5k and 10k race starting on South Park Drive and finishing near the Sycamore Field.
11/03/2024 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.
11/03/2024 Lake Merced Single Loop Run 4.5M 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.
11/03/2024 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.
11/03/2024 Saratoga 5K 5K Saratoga, CA The Saratoga Education Foundation is excited to announce our annual 5K Fun Run and Walk.
11/03/2024 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.
11/03/2024 Willow Hills XC 5K Folsom, CA This event will take place at the Willow Hills Reservoir Community Park. The course is run in two loops of rolling hills and around the reservoir.
11/06/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.
11/08/2024 Nor Cal Backyard Ultra 4.2M Laps 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 reslove in this one-of-a-kind event.
11/09/2024 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.
11/09/2024 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.
11/09/2024 Tulare Santa Fe Trail-A-Thon 5K 5K Tulare, CA All sponsorships benefit this organization's high school scholarship program.
11/10/2024 Clarksburg Country Run 30K, 13.1M, 10K, 5K Clarksburg, CA This nearly 60 year old race offers a variety of race distances and you can enjoy a complimentary lunch and a mimosa after the race along with your swag.
11/10/2024 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.
11/10/2024 Miles for Melanoma - San Francisco 5K San Francisco, CA 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.
11/10/2024 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.
11/10/2024 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.
11/10/2024 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.
11/11/2024 Veteran's Day Run 10K, 5K Porterville, CA It features a 10K run, 5K run, 5K walk and a free kids' run. Finish the race and stay for one of Porterville's largest parades of the year. Come for the race and enjoy the community.
11/13/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.
11/15/2024 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.
11/16/2024 Berkeley Family Fun Run 1K Berkeley, CA Kick off the fun community weekend by walking or running together before the expo opens.
11/16/2024 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.
11/16/2024 Falcon Crest Winter Trail Challenge 13.1M, 8.5M, 10K, 5K El Dorado Hills, CA Date TBD. The course follows the trails surrounding Jenkinson Lake through endless pine trees and buttery horse trails.
11/16/2024 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.
11/16/2024 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.
11/16/2024 NorCal Spartan Event Weekend 10K NorCal, CA Welcome to Nor Cal Spartans! This venue is sure to test your strength, stamina and grit. This event is open to all fitness levels, from beginners to elite athletes.
11/16/2024 Tierra Redonda Mountain Trail Run 48H, 24H, 21K, 10K 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.
11/16/2024 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.
11/17/2024 Apple Hill Half Marathon 13.1M, 5K, Camino, CA All races wind through scenic neighborhoods and fruit ranches of Apple Hill, along moderately undulating paved roads.
11/17/2024 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!
11/17/2024 NorCal Spartan Event Weekend 5K NorCal, CA Welcome to Nor Cal Spartans! This venue is sure to test your strength, stamina and grit. This event is open to all fitness levels, from beginners to elite athletes.
11/20/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.
11/23/2024 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.
11/23/2024 Davis Turkey Trot 13.M, 10K, 5K Davis, CA Enjoy a run/walk through Davis' residential neighborhoods and green belts.
11/23/2024 Golden Gate Trail Classic 50K, 50M San Francisco, CA Our race is held in one of the most picturesque, natural environments in the U.S.
11/23/2024 Hands of Hope Turkey Trot 10K, 5K Yuba City, CA Race will be held at Riverbend Elementary 301 Stewart Road Yuba City CA.
11/24/2024 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.
11/24/2024 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.
11/24/2024 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.
11/24/2024 Manda Run 13.1M, 5K Loomis, CA 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.
11/26/2024 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.
11/27/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.
11/28/2024 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!
11/28/2024 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.
11/28/2024 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.
11/28/2024 Clovis Turkey Day Run 5K, 2M Clovis, CA What a great way to start your Thanksgiving! Trot on over on Thanksgiving morn and then eat your Thanksgiving feast guilt free.
11/28/2024 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.
11/28/2024 Elk Grove Gobble Wobble 5K Elk Grove, CA Join us as we lace up our running shoes and come together for a morning of family fun and fitness at our Annual Elk Grove Gobble Wobble 5k Run/Walk.
11/28/2024 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!
11/28/2024 Napa Valley Turkey Chase 10K, 5K Napa, CA The Napa Valley Turkey Chase is a fun family event! Race, jog or walk this fast course around the Napa Valley College and the Napa River Trail to work up your Thanksgiving appetite!
11/28/2024 Oakland Turkey Trot 5K Oakland, CA Earn your days indulgence at the Oakland Turkey Trot on Thanksgiving morning!
11/28/2024 Run to Feed the Hungry 10K, 5K Sacramento, CA Join us Thanksgiving morning to celebrate with friends and family to raise awareness about food insecurities in our community.
11/28/2024 Santa Rosa Turkey Trot 5K Santa Rosa, CA The Turkey Trot is an out-and-back course along the Prince Memorial Greenway Trail. Check the website for "FAST" Turkey and "TINY" Turkey.
11/28/2024 Sea Ranch Turkey Trot 5K Sea Ranch, CA Neighbors, friends and family are invited to join a casual, unofficial and unsupported 5K through Sea Ranch roads and trails. You are welcome to jog, run, walk or volunteer.
11/28/2024 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.
11/28/2024 Solano Turkey Trot 10K, 5K Fairfield, CA We can't wait to see old friends and make new ones each year at the Solano Turkey Trot!
11/28/2024 Visalia Emergency Aid Race Against Hunger 10K, 5K, 2M Visalia, CA Join us for the largest Thansgiving Run in the Central Valley. Help us turn miles into meals as we "Race Against Hunger".
11/28/2024 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!
11/30/2024 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
11/30/2024 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. Lottery opens in August.

December 2024

Date Event Distance Location Description
12/01/2024 McGuire's Breakfast Runs 8K, 3K Santa Rosa, CA Two events - run for fun or as competitive as you like.
12/01/2024 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!
12/04/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.
12/07/2024 Bakersfield Rudolph Run 5K Bakersfield, CA A Bakersfield family tradition! Bring a partner and enjoy a fun morning of music and reindeer games.
12/07/2024 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
12/07/2024 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!
12/07/2024 High Desert 50K Ultra & 30K 50K, 30K Ridgecrest, CA Loop course over rolling desert terrain on jeep roads, single track trails, and sandy washes.
12/07/2024 Last 10K & Final 2 Mile 10K, 2M Santa Rosa, CA TBD.
12/07/2024 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.
12/07/2024 Midway Shelter Winter 5K 5K Alameda, CA Join us for another year of the Midway Shelter Winter run and walk.
12/07/2024 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.
12/07/2024 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.
12/07/2024 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.
12/07/2024 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.
12/08/2024 Baker Beach 5K 5K San Francisco, CA Upon exiting lower Baker Beach parking lot, immediately turn left on Battery Chamberlin Rd and run up to and through upper parking lot
12/08/2024 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.
12/08/2024 Hanukkah 8 Krazy Kilometers 8K, 2K Bakersfield, CA Runners, joggers and walkers of all ages are invited to the annual Hanukkah 8 Krazy Kilometers.
12/08/2024 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 (The Christmas Devil).
12/08/2024 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.
12/11/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.
12/14/2024 12Ks of Christmas 12K, 2M Redding, CA Both races will start at 9am from Lake Redding Park.
12/14/2024 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
12/14/2024 Clovis Rudolph Run 5K Clovis, CA Continue the newest family tradition! Bring friends and enjoy a fun morning of music and Reindeer Games!
12/14/2024 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.
12/14/2024 Jingle Bell 5K 5K Sausalito, CA TBD. Jingle Bell 5K and Brunch.
12/14/2024 Jingle Bell Run - Sacramento 5K Sacramento, CA Be part of the original festive race for charity and signature Arthritis Foundation holiday event! Wear your favorite holiday attire and together, we’ll jingle all the way to a cure!
12/14/2024 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.
12/14/2024 Modesto Spirit of Giving 5K 5K Modesto, CA TBD.
12/14/2024 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.
12/15/2024 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.
12/15/2024 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.
12/15/2024 Visalia Jingle Bell Run for Toys for Tots 2M Visalia, CA Run/Walk our 5k Timed course or enjoy our 2 Mile Walk non-timed course through Mooney Park.
12/18/2024 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) through the Marina neighborhood and the Presidio.
12/21/2024 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.
12/21/2024 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
12/21/2024 Woodside Ramble 50K, 35K, 13.1M, 10K Redwood City, CA Distances of 10K, Half Marathon, 35K and 50K make for the perfect proving grounds for runners, and hikers, of all abilities.
12/22/2024 LMJS Fourth Sunday Race 15K, 10K, 5K Oakland, CA Come join us at Lake Merritt for one of the East Bay's favorite races!
12/22/2024 Rainbow Falls Holiday 5K 5K San Francisco, CA Start/Finish: JFK & Transverse Drive, Golden Gate Park
12/24/2024 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.
12/25/2024 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
12/28/2024 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
12/29/2024 Windmill 10K 10K San Francisco, CA Start/Finish: JFK Drive & Dutch Windmill in Golden Gate Park
12/31/2024 New Year's One Day 24H, 100M, 12H, 6H San Francisco, 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 2025

Date Event Distance Location Description
01/01/2025 Clovis New Years Day 5K 5K, 2M Clovis, CA As the old year comes to a close, we welcome the New Year with hope and optimism! Join us for a 5K competitive run or a 5K fun run/walk!
01/01/2025 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presidio.
01/04/2025 Byxbee Parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
01/04/2025 Hacienda Hills Run (Winter) 50K, 26.2M, 30K, 13.1M, 9M, 10K, 5K 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.
01/04/2025 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!
01/08/2025 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presidio.
01/11/2025 Byxbee Parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
01/11/2025 Castle to Coast Fun Run 8.2M San Simeon, CA We are looking forward to seeing you at the start line for 8.2 miles of beautiful ocean views running on our well marked course.
01/11/2025 IPA Beer Run 12K, 5K Granite Beach, CA The IPA Trail Run features two courses, each with scenic lake views on well-marked single track trails.
01/11/2025 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.
01/11/2025 Salmon Falls Half & Full Marathon 26.2M, 13.1M Salmon Falls, CA Right from the start runners will begin climbing and descending hills. They will pass through native oak groves, open grass meadows and an overlook thick with manzanita.
01/12/2025 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!
01/15/2025 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presidio.
01/18/2025 Byxbee Parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
01/18/2025 LLS Bertman 5K & 10K 10K, 5K Gold River, CA Join us for a fun run to raise crucial funds for Leukemia and Lymphoma Society (LLS) in honor of Bert Vicchio (Bertman). This is an out and back course on the American River Trail.
01/19/2025 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!
01/22/2025 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
01/25/2025 Byxbee Parkrun 5k Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
01/25/2025 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.
01/25/2025 Fort Ord Trail Run 50K, 25K, 10K Monterey, CA Fort Ord was a U.S. Army post on Monterey Bay in California. This trail run is limited to 500 runners.
01/25/2025 Gumby 10K & 5K 10K, 5K Granite Bay, CA This race features a beautiful trail course along the shores of Folsom Lake. It has plenty of aid stations and cheering volunteers and is well-marked.
01/25/2025 Monterey Ultra 50M Monterey, CA At the Monterey Ultra you will run on just about every type of trail. The course consists of a 35 mile loop and a 15 mile loop with plenty of aid stations and beautiful views.
01/25/2025 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.
01/26/2025 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.
01/29/2025 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.

February 2025

Date Event Distance Location Description
02/01/2025 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
02/01/2025 Cupid's Undie Run - San Francisco 1M San Francisco, CA Cupid’s Undie Run kicks off with drinking and dancing, then we jog it out with a mile(ish) run and end it all with an epic dance party!
02/01/2025 Death Valley Marathon 26.2M, 13.1M, 10K Death Valley, CA Enjoy an out-and-back relatively flat course. You'll admire the beauty of the surrounding desert as you follow this paved run through the heart of Death Valley National Park.
02/01/2025 Golden Gate Trail Run 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.
02/01/2025 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. The 30K, Trail Marathon, and 50K travel into the Sierra Azul Open Space Preserve.
02/01/2025 Superb Owl Run 5K, 2M Clovis, CA Celebrate football season with walkers, runners, football fans, and owl aficionados!
02/02/2025 Hensley Off Road Race 10K Fresno, CA Hensley Lake's Buck Ridge Trail has everything a rider and runner could want!
02/02/2025 Kaiser Permanente 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.
02/05/2025 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
02/08/2025 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
02/08/2025 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.
02/12/2025 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
02/15/2025 Bakersfield Coffee Run 10K, 5K, 2K Bakersfield, CA The run you have BEAN waiting for is here!
02/15/2025 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
02/15/2025 Fresno Valentine Run 5K, 2M Fresno, CA A family tradition since 2002!
02/15/2025 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.
02/19/2025 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
02/22/2025 Beer City Half Marathon 13.1M, 10K, 5K Santa Rosa, CA Kick off Beer City Festival with a run along Santa Rosa Creek.
02/22/2025 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
02/22/2025 Lost Trail Half Marathon 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.
02/22/2025 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.
02/22/2025 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.
02/23/2025 Davis Stampede Half Marathon 13.1M, 10K, 5K, 2K Davis, CA The Davis Stampede takes place each year in February, and includes 5K, 10K and Half Marathon routes.
02/23/2025 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.
02/23/2025 Surfer's Path 10K/5K 10K, 5K Santa Cruz, CA The Surfer’s Path event offers both a 10k and 5k race, providing participants with an opportunity to engage in a scenic run or walk along the captivating coastline.
02/26/2025 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.

March 2025

Date Event Distance Location Description
03/01/2025 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
03/01/2025 Pro Youth Color Run 5K, 2M Visalia, CA Come out and run in our 5K or bring the whole family and run, jog or dance your way through the 2 mile fun run.
03/01/2025 San Joaquin River Trail Half Marathon & 10K 13.1M, 10K, 5K Auberry, CA Come out and run some of the best local trails that will kick your butt. The courses are challenging with steep hills and rough terrain.
03/01/2025 Sanborn Trail Challenge 13.1M. 8M, 4M Saratoga, CA The course is 95% single track trail, extremely mountainous, very technical, lushly wooded with a mixed evergreen forest.
03/01/2025 Way Too Cool 50K Endurance Run 50K, 10M Cool, CA This race has become the most sought after 50K in the United States for veterans and novices alike.
03/02/2025 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’ awarded 13.1 miles, followed by the famed wine, beer & music festival.
03/02/2025 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.
03/05/2025 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
03/08/2025 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
03/08/2025 Chanoko Trail Runs 50K, 31K, 5M Granite Bay, CA Participants have a choice of three distances.
03/08/2025 End of the Trail Run 13.1M, 10K Visalia, CA Courses are Flat & Fast.
03/08/2025 Fight for Air Climb TBD San Francisco, CA We've designed the Climb to accommodate every type of climber, whether you want to climb competitively, push yourself to the limit or just make it to the top at your own pace.
03/08/2025 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.
03/08/2025 Porterville 5K/10K Trail Run 10K, 5K Porterville, CA Join us for a 5K or 10K dirt path course that is out and back. We are hosting a 1/4 mile short course for little ones.
03/08/2025 Race to the Top of Mt. Umumhum 13.1M San Jose, CA This half marathon race is within two parks: Almaden Quicksilver Park and Sierra Azul Open Space Preserve. This course is point to point.
03/08/2025 Tony Bravo's Run for Your Life 13.1M, 6M, 3M Ridgecrest, CA Get ready to stretch your limits and touch hearts at Tony Bravo's annual race for substance abuse awareness!
03/09/2025 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.
03/12/2025 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
03/15/2025 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
03/15/2025 Folsom South Side Trail Run 50K, 26.2M, 21M, 13.1M, 10K, 5K Folsom, CA All very appealing single track, great running, some technical sections.
03/15/2025 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.
03/15/2025 Ruck A Chuck 50K 50K Forest Hills, CA The Ruck A Chuck 50K is an exhilarating running event set in the picturesque landscape within the Sierra Nevada foothills.
03/15/2025 Shamrock'n 10K, 5K Sacramento, CA Celebrate St. Patrick’s Day with a Shamrock-themed Half Marathon, 10K, 5K and Fun Run!
03/15/2025 Spirit of Benny 10K/5K 10K, 5K Placerville, CA Please mark your calendars for Annual Spirit of Benny 10K/5K Fun Run. Details to follow in Fall 2024.
03/15/2025 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.
03/16/2025 Lucky Run 10K, 5K Novato, CA The Lucky Run is an annual event that benefits Safe & Sober Grad of Novato.
03/16/2025 San Jose Half & 8K 13.1M, 8K San Jose, CA We are taking the classic 408K with its unique Mariachi Mile and Santana Row finish line and welcoming participants tackling the Half Marathon to this exciting experience.
03/16/2025 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.
03/16/2025 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.....
03/19/2025 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
03/22/2025 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.
03/22/2025 Bakersfield Donut Run 5K Bakersfield, CA Run or walk and show your passion for donuts, get out there with your friends and family on our 5k Timed or 2k non-timed courses and earn those delicious Donuts!
03/22/2025 Big Alta 50K 50K, 28K Marinwood, CA The Big Alta 50K course is an amazing single-loop race route, offering extensive scenic views along some of the highest points in all of Marin County.
03/22/2025 Byxbee parkrun 5K Palo Alto, CA Byxbee parkrun takes place every Saturday at 8:00am.
03/22/2025 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.
03/22/2025 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.
03/22/2025 Mighty Dog Trail Runs 10K, 5K Granite Bay, CA This event offers two distances: 5K and 10K - both for walkers, runners and their dodgs!
03/22/2025 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.
03/22/2025 Redwood Trail Run Spring 50K, 26.2M, 30K, 13.1M, 5M Oakland, CA The course travels through beautiful Redwood Regional Park.
03/22/2025 South Hills Single Track Trail Run 50K, 26.2M, 16M, 13.1M, 9M ,10K, 5K San Jose, CA Beginning at Calero County Park, this trail run has everything! Experience awesome single track, great hills and dirt paths.
03/23/2025 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.
03/23/2025 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.
03/23/2025 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.
03/23/2025 Running of the Elk 10K, 5K Elk Grove, CA Welcome to the Annual Running of the Elk! All runs start and finish at Destrict 56 in the heart of Elk Grove.
03/23/2025 Viansa Wine Run 5K 5K Sonoma, CA Like Running or Walking? Love Wine? This race is for you!
03/26/2025 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presido.
03/29/2025 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.
03/29/2025 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
03/29/2025 Folsom Lake Falcon Crest Trail Run 13.1M, 15K, 10K, 5K El Dorado Hills, CA This race is run in the beautiful awesome foothills of El Dorado Hills. This area has incredible oak trees, green grass and is loaded with single track trails paralleling Folsom Lake.
03/29/2025 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.
03/29/2025 The Lucky Run 10K, 7K, 5K, 2.1K Davis, CA The Lucky Run is a March race celebrating the start of spring. Loop courses travel along city streets, along bike paths and through residential neighborhoods.
03/30/2025 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.
03/30/2025 Lag Bon 10K 10K Fairfax, CA A trail running fundraiser dedicated to World Water Day.
03/30/2025 Wildflower Run 10K, 5K, 2M Morgan Hill, CA Come run with us! We are delighted each year to have volunteer entertainers along the routes to provide entertainment.

April 2025

Date Event Distance Location Description
04/02/2025 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presido.
04/05/2025 American River 50 Mile Endurance Run 50M, 25M Folsom, CA American River has become the second largest 50 miler in the United States.
04/05/2025 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
04/05/2025 Diablo Trails Challenge 50K, 13.1M, 10K, 5K Walnut Creek, CA With distances suitable for everyone from those hitting the trails for the first time to experienced ultra-runners, the Diablo Trails Challenge was created to help celebrate.
04/05/2025 Golden Gate Headlands Marathon 26.2M, 13.1M, 10K Mill Valley, CA The course is a combination of single track hiking trails and fire roads.
04/05/2025 Ruth McKenzie Preserve Half Marathon 13.1M, 10K, 5K Friant, CA The Ruth McKenzie Table Mountain Preserve is located between Friant and Prather, on the north side of Auberry Road.
04/05/2025 Santa Teresa King Richard Trail Run 13.1M, 10M, 10K, 5K San Jose, CA Santa Teresa County Park is located in the Santa Teresa Hills, ten miles south of downtown San Jose.
04/05/2025 SEAS 5K Running for Faith to Build Our Future 5K Bakersfield, CA “Running for Faith to Build our Future” is a Fun Run 5k hosted by the MOMS at SEAS ministry of St. Elizabeth Ann Seton Catholic Church benefiting the church’s Building Fund.
04/05/2025 The Firehouse Run 10K, 5K Santa Clara, CA The Firehouse Run is a community 5K walk or run located at Mission College in Santa Clara, CA.
04/06/2025 Annadel Half Marathon 13.1M, 10K, 5K Santa Rosa, CA The Annadel Half Marathon is a non-profit fundraising event. Over the past 14 years, we have raised funds to make the park a more beautiful place for all to enjoy!
04/06/2025 Credit Union SACTOWN 10 Mile Run 10M, 5K, 1M Sacramento, CA The Credit Union SACTOWN run continues to be a force for good in our community.
04/09/2025 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presido.
04/12/2025 Autism on the Run 10K, 5K, 2K Bakersfield, CA We are excited to announce Autism on the Run at the Park at Riverwalk In Bakersfield we will have a 10k, 5k, 2k, and family walk.
04/12/2025 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
04/12/2025 California Classic Half Marathon 13.1M, 10K, 5K Fresno, CA Join us when we host 2,000 runners in our Half Marathon, 10k and 5k Run as participants run through Sea Lion Cove with a grand finish at Chukchansi Stadium.
04/12/2025 California Gold Rush Run 15K, 10K, 5K Coloma, CA Run entirely inside the Marshall Gold Discovery State Historic Park, set in the beautiful foothills of Coloma along the south fork of the American River.
04/12/2025 Fiercelifit Half Marathon & 10K/5K 13.1M, 10K, 5K Fremont, CA One of the most significant and yet often overlooked landmarks of Fremont is the mighty Dumbarton.
04/12/2025 Lake Sonoma 50 50M, 26.2M, 13.1M Healdsburg, CA All of the courses boast of “relentless” rolling hills surrounding beautiful Lake Sonoma.
04/12/2025 Placer Trail Running Festival 50K, 25K, 10K, 5K Pilot Hill, CA All of it is very runnable with a mix of single track and double wide trails.
04/12/2025 Rodeo Beach Rumble 13.1M, 8K Sausalito, CA So close to San Francisco and the Golden Gate Bridge yet a world apart, the hills, valleys and beaches of the Golden Gate National Recreation Area are the perfect place for a race!
04/12/2025 Romancing the Island Half 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.
04/12/2025 Silver Moon Race 100M Reedley, CA How many laps can you run in 6, 12, or 24-hours? Test your endurance and build up your distance in a 2-mile lap race, or go for the 100-mile distance.
04/12/2025 SPASM Lake Chabot 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. Great course for first-time trail runners!
04/13/2025 Napa Valley Endurance Run 50K, 35K, 13.1M Calistoga, CA Join us for the Napa Valley Endurance Run, three events run in glorious Robert Louis Stevenson State Park, which starts and finishes at Logvy Park in downtown Calistoga.
04/16/2025 Fog City Run 5K San Francisco, CA The course is a hilly 5km (ish) route through the Marina Neighborhood and the Presido.
04/19/2025 Antioch Rotary Club Bunny Hop 5K 5K Antioch, CA This coming year we invite participants to run like the Hare or pace yourself steady to victory like the Tortoise.
04/19/2025 Badger Cove Half Marathon 13.1M, 10K, 5K Livermore, CA Join us for a run (or walk) in the emerald hills of Lake Del Valle.
04/19/2025 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
04/19/2025 Sierra Azul Trail Challenge 50M, 26.2M, 20M, 13.1M, 7M, 5K Los Gatos, CA Set in the Sierra Azul Open Space Preserve, this one of a kind running event provides unique access to gorgeous trails and scenery not commonly viewed. 100% trail/fire road.
04/20/2025 Horseshoe Lake Trail Run 50K, 26.2M, 30K, 13.1M, 5M Palo Alto, CA The course is within Skyline Ridge, Long Ridge and Russian Ridge Open Space Preserves. Be prepared for spectacular views of the Pacific Ocean and the Santa Cruz Mountains.
04/20/2025 Merced River Canyon Run 9M, 5M Briceburg, CA Mariposa county's classic Merced River Canyon Race returns this year with two options for runners.
04/23/2025 Fog City Run 5K San Francisco, CA A hilly 5km(ish) route through the Marina neighborhood and the Presidio.
04/25/2025 Canyons Endurance Runs 100M Foresthill, CA Starts in the historic gold-rush town of Auburn, birthplace of mountain ultras, located in the northern California foothills of the Sierra Nevada range.
04/26/2025 American River Parkway Half Marathon 13.1M, 5K Sacramento, CA The Parkway Half Marathon has been an annual spring-time tradition for runners and walkers in the Sacramento region for 18 years!
04/26/2025 Byxbee parkrun 5K Palo Alto, CA It is a 5km run - it's you against the clock. Every Saturday at 8:00am.
04/26/2025 Canyons Endurance Runs 100K, 50K Foresthill, CA Canyons 100K distance is a Western States 100 Golden Ticket race where the top two female and male finishers earn direct entry to the Western States 100.
04/26/2025 Chocolicious 5K/15K 15K, 5K, 2M Fresno, CA Welcome to the Chocolicious 15k, 5k and 2 Mile Run/Walk! Run or Walk one of our three courses and EARN the right to have your chocolate and eat it too!
04/26/2025 Empower Wellness Run 5K 5K, 1M Bakersfield, CA Run, walk, or crawl, everyone is welcome. Choose between 5k or the 1 mile.
04/26/2025 Mt. Tam Wild Boar Half Marathon 13.1M, 10K Mill Valley, CA Parts of this course include very narrow trails with steep drop-offs. The event is limited to 300 participants so don't wait too long to register!
04/26/2025 Mud Factor - Bakersfield 5K Bakersfield, CA 5K obstacle run.
04/26/2025 Nail the Rail Half Marathon, 10K & 5K 13.1M, 10K, 5K Shasta Lake, CA Join us for a stroll along the Sacramento Rail Trail.
04/27/2025 Big Sur International Marathon 26.2M, 21M, 11M, 12K, 5K Big Sur, CA The course is from Big Sur to Carmel on scenic Highway 1, the nation's first nationally-designated Scenic Highway. The course is USATF certified and is an official Boston qualifier.
04/27/2025 LMJS Fourth Sunday Race 15K, 10K, 5K Oakland, CA Every month except February, March, and June.
04/27/2025 Mud Factor - Fresno 5K Sanger, CA 5k obstacle run.
04/27/2025 Napa Valley Women's Half Marathon 13.1M, 5K Napa, CA From walkers to runners, everyone can find their place at the Napa Women’s Half Marathon and 5K!
04/27/2025 Surfer's Path Half Marathon 13.1M Santa Cruz, CA This 13.1 mile Half Marathon features breathtaking views of the Monterey Bay coastline and a series of world renowned surf breaks.
04/30/2025 Fog City Run 5K San Francisco, CA The Fog City Run is a hilly 5km (ish) route through the marina neighborhood and the Presidio.

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