Race Calendar
We send out a monthly email with information and discounts on races in your area. Register now to get this good stuff in your inbox!
Please check out our Featured Races as well.
December 2024
| Date | Event | Distance | Location | Description |
|---|---|---|---|---|
| 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. |
May 2025
| Date | Event | Distance | Location | Description |
|---|---|---|---|---|
| 05/03/2025 | Big Climb San Francisco | Stair Climb | San Francisco, CA | Step up to take cancer down! To create a world without blood cancers, every step counts. You are helping to change lives! |
| 05/03/2025 | Byxbee Park Run | 5K | Palo Alto, CA | Byxbee Parkrun is a free, fun and friendly weekly 5K community event. The run starts at 8am. |
| 05/03/2025 | Folsom Lake Trail Run | 50K, 35K, 13.1M, 10K | Folsom, CA | The Folsom Lake Trail Run uses the lake-side trails that meander around much of the 75miles of lake shore. |
| 05/03/2025 | Hacienda Hills Run | 50K, 26.2M, 30K, 13.1M, 9M, 10K, 5K | San Jose, CA | This event is located just outside San Jose at the Alameda Quicksilver Park. Prepare yourself for a spectacular day of California Trail running in the Hacienda Hills. |
| 05/03/2025 | Kerman Almond Festival Scholarship Fun Run | 5K | Kerman, CA | All family members are invited to join the fun! The fun includes a festival with live entertainment, food vendors, Almond Baking Contest and wine tasting. |
| 05/03/2025 | Miwok 100K | 100K | Stinson Beach, CA | The Miwok 100K is one of the most beautiful and inconic trail ultramarthons in the world. The race is very competetive at the front and a rewarding challenge for all. |
| 05/03/2025 | Silva Strong Superhero 5K | 5K | Mendota, CA | Enjoy a 5K Run/Walk around the Western area of the City of Mendota in honor and memory of the late Mayor Robert Silva. |
| 05/04/2025 | Angwin to Angwish Trail Run | 26K, 10K, 1M | Angwin, CA | Set in the richly forested trails of Napa Valley's Pacific Union College, Angwin to Angwish is a trail run offering incredible natural scenery and challenging courses. |
| 05/04/2025 | Avenue of the Giants | 26.2M, 13.1M, 10K | Weott,CA | The Avenue of the Giants is staged in the Humboldt Redwoods State Park. The paved course winds through giant old growth Redwoods. |
| 05/04/2025 | Aztec Run | 5K | Oakland, CA | The Spanish Speaking Citizens' Foundation (SSCF) is pleased to bring you this fun-filled, family-friendly event to lift spirits and build community in celebration of Dia de los Muertos. |
| 05/04/2025 | Bay Bridge Half Marathon | 13.1M | Oakland, CA | Welcome to the only event across the Bay Bridge. We are focused on a mission to bring you a one-of-a-kind, fresh experience to our hometown. |
| 05/04/2025 | Beer City Half Sacramento | 13.1M, 10K, 5K, 1M | West Sacramento, CA | Join us along with Drake's Brewing Company at the Barn as we kick off Beer City Sacramento with a run along the Riverfront, through old Sac. |
| 05/04/2025 | Devil Mountain Run | 10K, 5K, 1M | Danville, CA | This is one of the Bay Area's oldest running traditions in Downtown Danville the first Saturday in May. |
| 05/04/2025 | The Grand Climb | 5K | Fresno, CA | The Grand Climb awaits you! Are you up for the challenge? This events starts inside Chukchansi Park Stadium and finishes at the top of a 10-story building, The Grand Tower. |
| 05/04/2025 | Windsor Half Marathon | 13.1M, 10K, 5K | Windsor, CA | Windsor Run and Wine is the most memorable race and post race festival in California! |
| 05/07/2025 | Fog City Run | 5K | SanFrancisco, CA | The Fog City Run is a hilly 5km (ish) route through the marina neighborhood and the Presidio. |
| 05/10/2025 | Bubble Run - Oakland | 5K | Oakland, CA | Enjoy good, clean, fun at Bubble Run. You will be showered with colorful, fluffy foam as you navigate through four colorful bubble cannon stations. |
| 05/10/2025 | Byxbee Park Run | 5K | Palo Alto, CA | Byxbee Parkrun is a free, fun and friendly weekly 5K community event. The run starts at 8am. |
| 05/10/2025 | Girls on the Run 5K | 5K | San Leandro, CA | Each season comes to an end with a celebratory 5K. |
| 05/10/2025 | Grizzly Peak Trail Run | 50K, 26.2M, 30K, 13.1M, 10K | Berkeley, CA | The run starts at Lake Anza and travels through the beautiful and popular Tilden Park in the Berkeley Hills. T-shirts will be given to all pre-registered runners. |
| 05/10/2025 | Muir Woods Marathon | 26.2M, 13.1M, 7M | Stinson Beach, CA | Mt. Tamalpais is a treasure trove of pristine trails. The course is on the best single track the mountain has to offer with some of the most beautiful mileage you will ever run. |
| 05/10/2025 | Nitro Trail Half Marathon | 13.1M, 10K, 5K | San Pablo, CA | The original Brazen Racing event, Nitro Trail was the race that started it all! A dynamite race experience awaits! |
| 05/10/2025 | Paiute Meadows Trail Run | 50K, 30K, 13.1M, 4.5M, 1M | Susanville, CA | Join us at Susanville Ranch Park as we showcase the region's premiere trail system. |
| 05/10/2025 | Quicksilver 100K and 50K | 100K, 50K | San Jose, CA | The Quicksilver 100k race is a Western States 100 Mile Endurance Run qualifier! |
| 05/10/2025 | Race For Open Space | 35K, 25K, 12K, 1M | Monterey, CA | A fundraiser and awareness campaign to support Big Sur Land Trust and access to parks and open spaces. |
| 05/10/2025 | She.is.beautiful 5K & 10K | 10K, 5K | Santa Cruz, CA | We believe creating a stronger self mentally and physically manifests into a stronger self in all areas of your life. Let's move through this journey together. |
| 05/10/2025 | Sly Park Lake Trail Run | 50K, 26.2M, 18M, 13.1M, 8.5M, 10K, 5K | Pollack Pines, CA | TBD. The run around Sly Park Lake is a challenging course but no big climbs or long downhills. The trail goes through endless pine trees and is one of the best kept secrets in the Sierra. |
| 05/10/2025 | Stinson Beach Half Marathon | 13.1M, 7M | Stinson Beach, CA | |
| 05/10/2025 | Wildcat Prowl 5K | 5K | Woodside, CA | The Wildcat Prowl 5K is a fun, inclusive, community - and spirit - building fundraiser for the whole family and beyond! |
| 05/10/2025 | Willow Glen 5K | 5K | San Jose, CA | Join us for the Willow Glen 5K Run/Walk for Education. |
| 05/10/2025 | Yosemite Half Marathon | 13.1M | Bass Lake, CA | The course includes rough terrain, fast downhill descent on a beautiful paved road and around Bass Lake. |
| 05/11/2025 | Bakersfield Mother's Day Run | 5K | Bakersfield, CA | Please join us to celebrate the special ladies in our lives as we recognize all of our "SUPER MOMS" out there! |
| 05/11/2025 | Mother's Day 5K/10K | 10K, 5K | Alameda, CA | Moms sign yourself up. Get your family to come and cheer you on or leave everyone at home! |
| 05/14/2025 | Fog City Run | 5K | San Francisco, CA | The Fog City Run is a hilly 5km (ish) route through the marina neighborhood and the Presidio. |
| 05/17/2025 | 13 Mile Trail Race Top Down | 13.1M | San Jose, CA | The course is point to point. It will be marked with single solid PINK color ribbons tied to clothespins, ORANGE cones, signs and gypsum. |
| 05/17/2025 | Bishop High Sierra Ultras | 100K, 50M, 55K, 20M, 6K | Bishop, CA | These are high altitude races, with lots of climbing, in the scenic foothills of the Eastern Sierra Nevada. |
| 05/17/2025 | Byxbee Park Run | 5K | Palo Alto, CA | Byxbee Parkrun is a free, fun and friendly weekly 5K community event. The run starts at 8am. Please come along and join us whatever your pace! |
| 05/17/2025 | Campus Life 5K | 5K | Fresno, CA | This 5k + Kids Fun Run is for the whole family to enjoy! |
| 05/17/2025 | Girls on the Run - Silicon Valley | 5K | Los Gatos, CA | Join us for our 5K Celebration at Vasona Park. Our event is about accomplishing a goal and is not timed! |
| 05/17/2025 | Leigh Longhorn Stampede | 5K | San Jose, CA | Join us for a 5K event through Cambrian neighborhood. Whether you are a walker , a casual jogger, distance runner or just want to cheer on the participants come be a part of our community. |
| 05/17/2025 | Luc's Run | 10K, 2M | Tuolumne, CA | The scenic race route starts in a community of cheering local residents and proceeds through peaceful pastures with a challenging uphill climb through the historic streets of Tuolumne city. |
| 05/17/2025 | Mud Factor - Sacramento | 5K | Sacramento, CA | The Mud Factor is a seriously fun 5K Obstacle Run! Giant Cargo Climbs, Water Slides, Epic Mud Crawls and Kidz Family Waves, too! |
| 05/17/2025 | Napa Wilderness Trail Runs | 40M, 50K, 30K, 13.1M, 10K | Napa, CA | Napa Wilderness Trail Runs at Skyline Park will offer a wide range of trail runs from Ultra distance to a 10k for new trail runners or folks just getting back to the trails. |
| 05/17/2025 | Pacifica Foothillls Trail Run | 30K, 113.1M, 10K | Pacifica, CA | This event takes place in the San Pedro Valley Park in the surf town of Pacifica. It offers acres and acres of coastal mountain environment. |
| 05/17/2025 | Run for Amma | 50K, 30K, 10K | Los Gatos, CA | The Run for Amma is an annual event to help raise awareness and money to aid in cutting edge research and treatments for cancer. |
| 05/17/2025 | Trail Quake Half Marathon | 13.1M, 10K, 5K | Saratoga, CA | The woods are calling! Run through the Redwoods and Pines and say hello to banana slugs! Put you ear to the ground and you can hear distant rumbling. |
| 05/21/2025 | Fog City Run | 5K | San Francisco, CA | A hilly 5km(ish) route through the Marina neighborhood and the Presidio. |
| 05/24/2025 | Armed Forces Half Marathon | 13.1M | Concord, CA | Runners will get an incredible panoramic view of the installation. This part of the course up until now has been strictly off-limits to civilians. |
| 05/24/2025 | Byxbee Park Run | 5K | Palo Alto, CA | Byxbee Parkrun is a free, fun and friendly weekly 5K community event. The run starts at 8am. Please come along and join us whatever your pace! |
| 05/24/2025 | Modesto Memorial Classic | 5K, 1M | Modesto, CA | Both courses are scenic, shady loops and are walker friendly. Bring the kids along for the FREE kid's fun run. Pancake breakfast included with paid registration |
| 05/24/2025 | Placerville Path Memorial Day Run | 13.1M, 15K, 10K, 5K | Placerville, CA | This race on the El Dorado Trail in Placerville is held rain or shine. The path is surrounded with beautiful oak trees, rolling hills and incredible views. |
| 05/24/2025 | Western States Memorial Weekend Training Runs | 70M | Over the Memorial Day weekend Western States offers three training runs to acquaint runners with the last 70 miles of the Western States course. | |
| 05/25/2025 | LMJS 4th Sunday Runs | 15K, 10K, 5K | Oakland, CA | Distances offered at these races are 5K (once around the lake), 10K (twice around the lake) and 15K (three times around the lake). |
| 05/25/2025 | Tilden Tough Ten | 10M | Berkeley, CA | Get ready for the race of a lifetime! A fun and challenging ten mile race in the beautiful Tilden Regional Park that'll test your mettle on both road and trail, with some real lung busting hills. |
| 05/27/2025 | Yosemite Valley Views 6 Day Stage | 90M | Yosemite, CA | There is no better way for an endurance athlete to experience what this wilderness park has to offer. |
| 05/28/2025 | Fog City Run | 5K | San Francisco, CA | A hilly 5km(ish) route through the Marina neighborhood and the Presidio. |
| 05/31/2025 | Bakersfield Hot Fudge Sundae Run 5K | 5K | Bakersfield, CA | Run a 5K or walk our 2K and earn your hot fudge sundae. Want a little more fun? Join or create a Sundae Team! |
| 05/31/2025 | Beer City Half | 13.1M, 10K, 5K | San Jose, CA | Join us at Almaden Lake Park for a running and beer celebration with fine regional beers and kombucha to taste at the finish. |
| 05/31/2025 | Big River Adventure | 10K, 5K | Mendocino, CA | Join us for a unique race experience where you can choose your adventure to run, swim, walk, or paddle your way through the scenic beauty of Mendocino County's Big River. |
| 05/31/2025 | Byxbee parkrun | 5K | Palo Alto, CA | Every Saturday at 8:00am. |
| 05/31/2025 | Calero Trail Run | 50K, 25K, 13.1M, 15K, 10K, 5K | San Jose, CA | Beginning at Calero County Park, this trail run has everything! Experience awesome single track, great hills, and dirt paths. |
| 05/31/2025 | Monterey Spartan Super 10K | 10K | Salinas, CA | There’s nothing mediocre about this middle distance race. The Spartan Super offers the ideal blend between distance and speed. |
| 05/31/2025 | Rainbow Run 5K | 5K | Visalia, CA | Celebrate Pride Month with the Rainbow Run presented by The Source LGBT+ Center! Join forces with family, friends and colleagues to amplify the fun and impact of the Rainbow Run. |
| 05/31/2025 | San Jose Half Marathon | 13.1M, 8K | San Jose, CA | Enjoy a flat and fast half marathon course or an 8K, with both courses including the Mariachi Mile! |
| 05/31/2025 | Sonoma Coast Trail Run | 50K, 26.2M, 30K, 13.1M | Duncan Mills, CA | Presented by SkyBreaker Racing, Sonoma Coast Trail Runs take place on the beautiful trails and fire roads of Sonoma Coast State Park on Northern California's beautiful coastline. |
| 05/31/2025 | Wildcat Half Marathon | 13.1M, 10K, 5K | El Sobrante, CA | Plan your weekend and pack your camera! Hills and more hills! Views of San Francisco, the Golden Gate Bridge, Alcatraz, Mount Tamalpais, the Bay and the ocean await you! |
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