Trail Running calendar near Riverbank 2026-2027

The Oakland Cubs Back2School 5K will take place in Piedmont on Sunday 6 December 2026. You can run 5 kilometers.

Trail races through redwood groves in Sanborn Regional Park on December 12, 2026 with 5K, 10K and half marathon options, chip timing and finisher medals.

A multi-distance trail running event in Pilot Hill, CA on December 12, 2026 featuring stony dirt paths, hilly terrain and lake views, from a Kids Run up to a 50K.

Trail running in Woodside, CA with 10K, half, 35K and 50K courses through redwoods and varied single track terrain.

A trail event on the El Dorado Trail in Placerville offering distances from a kids run to a half marathon on December 24, 2026.

Trail races on the Lake Chabot trails in Castro Valley on December 31, 2026 offering half marathon, 10K and 5K; hikers and walkers welcome.

New Year's Day races at Lake Chabot in Castro Valley on January 1, 2027, offering a half marathon, 10K and 5K with trail sections and volunteer-supported services.

A New Year event at Granite Beach featuring a 2 mile run 5 mile bike 2 mile run duathlon and a 5K trail run with lake views. Awards include overall champions and age group prizes.

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.

Two scenic trail races along Folsom Lake on January 9, 2027, offering a 12K and 5K on single-track trails, post-race local beer for athletes over 21, commemorative items, hot food and age-group awards.

A trail race in Huddart Park near Woodside CA on January 17, 2027 offering distances from an 8K to a 50K plus a free kids 50 yard dash. Courses run through redwoods, are well marked, and feature stocked aid stations.

Run through the towering redwoods and lush ferns of Huddart Park in Woodside. This trail event offers multiple distances from a five mile race to a 50K ultramarathon plus a free dash for children.

A trail running event at Folsom Lake offering distances from a Kids Run to 50K on mostly single-track trails with multiple aid stations and a 9-hour limit.

Trail 10K and 5K at Granite Beach, Folsom Lake on January 23, 2027 with aid stations, finisher medals, pre-order shirts and age group awards.

Experience scenic bay views and varied terrain at Coyote Hills Regional Park with half marathon, 10K, and 5K distances. Enjoy a mix of dirt trails and boardwalks on courses designed with minimal climbing.

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.

The Mt. Umunhum Trail Conquest - Winter will take place in San Jose on Saturday 6 February 2027. You can run between 5 and 50 kilometers.

Escape from Folsom on February 6, 2027 at Granite Beach offers a 10 mile and a 5K on scenic trails beside Folsom Lake. Aid stations supply water and fuel and every finisher receives a custom medal.

Jed Smith Ultra Classic on February 6, 2027 is a USATF certified loop event on the American River Parkway offering 50 mile, 50 k, marathon, 30 k and half marathon distances with two aid stations and race day packet pick up.

Experience scenic lake views and wildflowers at Granite Beach during this trail event featuring a half marathon and 5K. Enjoy well stocked aid stations and earn a finisher medal on the trails of Folsom Lake.