Trail Running calendar near West Sacramento 2026-2027

The NorCal Backyard Ultra presents two endurance challenges at Folsom Lake. Runners tackle a 4.16-mile loop every hour, with a main Last Person Standing event and a 12-hour Mini version. All participants receive custom awards, and the event..

The Rubicon is a remote Sierra Nevada foot race with no official support. Routes range from 15 to 43 miles with high elevation gain. Qualifying via shorter routes is required for longer attempts.

Explore the pine-lined trails around Jenkinson Lake at the fall edition of this trail run. With seven distances from a 5K to a 50K ultra, the event features rolling hills and shaded single track. Runners can enjoy post race ice cream, aid s..

Explore the trails of Salmon Falls Ranch in the Gold Country foothills. Choose between a challenging half marathon or a 10K on a course featuring single-track, creek crossings, and views. The event supports the American River Conservancy's..

Support student programs and the Oakland Tech Cross Country team at Joaquin Miller Park. Choose between a five kilometer trail race or a one mile fun run through the redwood trees.

Event Details The Rio Del Lago 100 Mile Endurance Run is a trail race held on Saturday, November 7, 2026, starting at Beal's Point in Folsom Lake State Recreation Area, within the Sierra Foothills of California. Course Information The 100-m..

Experience a scenic trail run around the Lake Chabot reservoir and hills. With distances from a 50 yard kids dash to a 50K ultramarathon there is an option for everyone at this Castro Valley event.

This November trail run takes on the iconic slopes of Mt. Tamalpais, starting at Stinson Beach. Runners can choose from four distances, from a 10K to a 50K ultramarathon, all featuring significant climbs and views. The event includes chip t..

Experience a flat and fast trail race through the scenic Quarry Lakes Regional Recreation Area in Fremont. Choose from a USATF certified half marathon, 10K, or 5K while enjoying views along the Alameda Creek Trail.

Join a mostly flat and fast half marathon, 10K, or 5K in Fremont. Support the local food bank and earn a special connector medal by completing the Double Turkey Challenge over Thanksgiving weekend.

Escape the wrath of Krampus with this themed cross-country run in San Francisco or from anywhere. Choose from 5K, 10K, or a nine-mile course. All finishers get unique Krampus themed swag, including a woodallion and beer stein.

The Hunter S. Thompson Fear & Loathing will take place in San Francisco on Sunday 6 December 2026. You can run between 50 and 50 miles.

Celebrate the final day of the year with a trail run at Lake Chabot in Castro Valley. Choose between half marathon, 10K, and 5K distances with options for runners and hikers alike.

Celebrate the first day of 2027 by running or hiking along the scenic trails of Lake Chabot. Choose between a half marathon, 10K, or 5K while supporting the East Bay Regional Parks Campership Program.

Join a community run and walk along the scenic trails of the Tuolumne River Regional Parkway in Modesto. Support the Sole Support Sponsorship Program while completing a 5K course alongside friends and family.

Experience a trail running journey across the Golden Gate Bridge and through the Marin Headlands. This world championship finale offers distances from 15K to 50 miles in the iconic coastal landscape of San Francisco.

Experience a scenic run or walk through Fremont with minimal climbing. Choose from 5K, 10K, or Half Marathon distances featuring diverse terrain from wood boardwalks to dirt paths along the bay.

Experience the coastal beauty of the Marin Headlands at the Golden Gate Trail Run. Choose from distances ranging from a 50K trail race to a fun kids dash with views of the Golden Gate Bridge and San Francisco.

Experience a winter run through the technical terrain of the Red Hills Recreation Area in the Sierra Foothills. Choose between six or twelve mile distances featuring water crossings and muddy trails in a scenic natural environment.

Experience a flat and fast bayside run at the San Leandro Marina Park with scenic views of the San Francisco Bay. Choose between Half Marathon, 10K, and 5K distances on a course perfect for setting personal records.