Trail Running calendar near Napa 2026-2027

Races at Coyote Hills Regional Park in Fremont include a half marathon, 10K and 5K along mixed dirt, paved and boardwalk trails by the bay. Courses have minimal climbing and provide marsh and shoreline views.

The 48th Jed Smith Ultra Classic on January 31, 2026 in Sacramento features USATF certified 4.85 mile loops along the American River Parkway with distances from half marathon to 50 miles, technical shirts, wooden finisher medals, and two ai..

Test your legs on scenic Sierra Azul trails at Mt Umunhum Trail Conquest Winter, with distances from a kids run to 50K and routes that summit Mt Umunhum and Bald Mountain. Finishers earn commemorative medals and aid stations keep you fueled..

Trail runs at Granite Beach beside Folsom Lake offering 10 mile and 5K courses with multiple aid stations, finisher medals, and age group and overall awards. Pre-sale shirts are available.

Run the stunning coastal trails around Rodeo Beach at the Golden Gate Trail Run, with distances from 8K to 50K to suit all levels. Expect rugged singletrack, stocked aid stations, generous finisher medals, and unforgettable views.

Join the JW House Hope Run in Los Gatos for scenic 5K and 10K routes around Vasona Lake, perfect for runners, walkers and strollers. Proceeds support JW House to help keep families together during medical emergencies.

Scenic races at San Leandro Marina on February 14, 2026, with half marathon, 10K, 5K and a remote runner option. The mostly flat bayside course stays close to the water and offers views of San Francisco and the Bay.

Join FOURmidable trail races in Auburn, CA on February 21, 2026, offering 50K, 35.5K, half marathon and 13K for all abilities. Prize money and course record bonuses add extra excitement; register by Feb 19 at 11:59 PM PT.

Trail races at Lake Chabot on February 21, 2026, from 5K to 50K across dirt trails, fire roads and some pavement, timed with disposable chips. Aid stations are stocked and the event is cupless so runners carry their own bottles or cups.

Trail runs at Granite Beach on well marked single track with scenic lake views and stocked aid stations. Distances include a 5K and a half marathon, with finisher medals, race shirts for preorder and age group awards.

Trail races from 10K up to 50K plus a free kids 50 yard dash at San Pedro Valley Park in Pacifica on February 21, 2026. Routes run mostly single track with marked ribbons, stocked aid stations and a cupless policy.

Join the Wild Goose Chase at Lime Ridge in Walnut Creek for a map based trail adventure through oaks, quarries, and rock labyrinths. Choose 5K or 10K and navigate an unmarked course to find checkpoints, then enjoy post race treats.

Tackle scenic, hilly trails on Angel Island in Tiburon with 5, 10, and 15 mile courses plus a free 50 yard kids run for ages 6 and under. Expect single track climbs, stunning views, ferry access, medals and stocked aid stations.

Skyline Ridge Trail Run and Hike in La Honda CA offers 50K, 21K and 10K routes across scenic ridges and forests, with hikers welcome on the shorter courses. This fundraiser sends 100% of entry fees to Bay Area Ridge Trail; register by Mar 6..

Join the Greater Sacramento Area Polar Plunge & Runs for a chilly community plunge and scenic runs. Pick a timed 5K trail or a 1 Mile fun run, fundraise for Special Olympics Northern California and even register as a 'chicken' to stay dry.

A long distance trail race on March 14, 2026 in the Marin Headlands and Mount Tamalpais offering 50 mile and 50K routes with significant elevation, live timing, aid stations, drop bag support, and cash prizes for top 50 mile finishers.

Challenge yourself on the scenic, technical trails of China Camp State Park with 5K, 10K and Half Marathon options March 13 to 16, 2026. Live and virtual entries available with registration price rising after Dec 31, 2025.

Trail running event in Marinwood, California offering 50K, 100K and 28K courses that reach many of Marin County's high points. Courses run on Freetrail home trails with views across the San Francisco Bay Area.

A trail race at Bothe Napa Valley State Park on March 21, 2026 offering marathon, half marathon and 10K with a 300 runner limit. Courses use single track loops with one aid station and a six hour marathon cutoff.

Run peaceful redwood trails in Oakland with distances from a kids 50 yard dash to 50K ultras, plus family friendly 5K and marathon options. Enjoy scenic singletrack, stocked aid stations and springtime forest views.