Trail Running calendar near Stinson Beach 2026-2027

Rocky Ridge is a trail running event at Las Trampas Wilderness in San Ramon, California on September 19, 2026. It features a half marathon plus 10K and 5K courses with uphill trail sections and scenic vistas.

The 51st Fitch Mountain Footrace in Healdsburg features 10K and 3K courses through downtown, neighborhoods and along the Russian River. The event raises funds for Corazón Healdsburg and a kids running team.

An annual September trail running event at Lake Chabot Marina offering 100k, 50 mile and marathon races with UTMB Index status and Pacific USATF Grand Prix inclusion for the 50 mile race.

A community ultramarathon and hike at Skyline Wilderness Park in Napa, CA, featuring a 3.3-mile loop repeated up to ten times in an hourly format to raise funds for the Pheo Para Alliance.

Trail running in shaded redwood forest at Sanborn County Park on September 27 2026, with 10K, half marathon and 50K options; steep singletrack, shuttle parking, chip timing and specific mandatory gear for the 50K.

Trailblazer Race on September 27, 2026 in Mountain View features a 10K, 5K, 3 mile walk and a 1 mile kids run. Proceeds support the Friends of Stevens Creek Trail and free kids activities are offered.

Experience a trail half marathon on San Bruno Mountain featuring 2,400 feet of elevation gain and stunning views. Enjoy a scenic route with 93 percent trail coverage followed by a post race meal and finishers medal.

Run by the Sea at Wilder Ranch State Park on October 4, 2026 offers a Half Marathon, 12K and 4K run/walk along mostly flat packed dirt trails with coastal bluff and Monterey Bay views. Organized by the Santa Cruz Track Club; proceeds benefi..

Test your endurance at Lake Merced in San Francisco with a scenic 4.5 mile loop course. Choose between a standard run or tackle ultra marathon distances including the 50K and 50 mile events.

A trail race at Almaden Quicksilver County Park with distances from 5K to 50K. Courses are out-and-back, marked with colored ribbons, include aid stations and toilets, and the longer races reach Bald Mountain and Mt. Umunhum.

A 12.4 mile loop from Mitchell Canyon to Mount Diablo summit with about 4,000 feet of ascent and descent. Entry includes shuttle service, a post race raffle entry, a finisher item, and a five hour cutoff.

Trail races around San Pablo and Briones Reservoirs on October 10, 2026, with 5K, 10K, half marathon and 35K options. The course features single-track and fire roads, aid stations with varied supplies, and awards for finishers.

Trail races at Lake Sonoma in October offering 100 mile, 50 mile, marathon and four person relays. Courses feature extensive singletrack, multiple aid stations, on-site camping and significant elevation gain.

A trail running event at Mount Diablo in Walnut Creek on October 17, 2026 offering 30K, Half Marathon, 10K and 5K courses on hilly trails where mud and creek crossings are possible.

Trail marathon, half marathon, 10K and 5K at Bothe-Napa Valley State Park on October 24, 2026. The single track course features hills, streams and rocks, is marked with orange ribbon, has limited entry and specific cutoff times.

Oakland Hills Trail Run features 10K, half marathon and 35K courses through Redwood Regional Park with technical trails, marked routes, aid stations and chip timing. The event is cupless and limited to 330 runners.

A Halloween-themed running event at Hellyer County Park with 5K, 10K, half and full marathon distances, youth divisions, a free kids' dash, a costume contest, certified half and full courses, aid stations every 2-4 miles, and cupless hydrat..

Trail races in Almaden Quicksilver Park from 5K to 50K over hilly dirt roads and single-track, with two staffed aid stations, drop-bag service for longer distances, and a finisher medal for all participants.

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.

Trail running at Huddart Park in Woodside with multiple distances from a 1 mile kids dash to a 6 hour loop challenge. Swag choices, packet pickup locations, youth discounts and limited parking are provided.