Trail Running calendar near Lake Sonoma 2026-2027

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.

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.

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.

Join the Lag Bon 10K trail run in Fairfax on March 22 to celebrate World Water Day and support Evidence Action's Safe Water Now program. Limited to 100 runners, the technical 10K features stairs, roots and muddy singletrack and runs rain or..

Trail races in the Marin Headlands near Mill Valley offering marathon, half marathon and 10K routes on single track and fire roads with views of the Golden Gate Bridge, San Francisco Bay and the Pacific Ocean. The field is limited to 400 pa..

Romancing the Island at Angel Island State Park offers a scenic half marathon or 10K loop with iconic Bay views. Limited to 400 runners, this intimate island race is ferry accessible and unforgettable.

Run scenic Lake Sonoma trails near Healdsburg with a 100K Western States qualifier, a 50K, and a women only Trail Sisters half. Expect rolling singletrack, lake views, on course aid and a memorable finish with a custom bottle of wine.

Take on Calistoga's scenic mountain trails on April 12, 2026, with distances from a spirited 10k to an epic 50k. Expect rugged single track, sweeping views of Table Rock and Mount St Helena, aid stations on course, and a festive finish on t..

Run the Mendocino Coast 50K on April 18, 2026, and tackle scenic coastal trails, redwood groves, waterfalls, and ocean views. Finish on the bluffs above Mendocino Village for a breathtaking Pacific panorama.

A community fundraiser at Spring Lake Regional Park on April 18, 2026 featuring a half marathon, 10K and 5K. The low-waste event donates a portion of proceeds to Trione-Annadel State Park and includes a medal, shirt and post-race snacks.

Trail race on Mt Tamalpais with a Half Marathon and 10K on coastal ridge single-track and road, limited to 300 participants, with aid stations, course markings, and participant t-shirts.

A 62 mile trail ultramarathon in the Marin Headlands near Stinson Beach, CA, featuring over 11,000 feet of climbing, marked trails and staffed aid stations with medical crews. Entry is limited to 400 runners and a four person relay is offer..

Join Tails & Trails on May 3, 2026 for a fun charitable run and walk supporting Dogwood Animal Rescue. Choose the in person 5K Dogwood Dash or a virtual any distance and help animals while you enjoy the outdoors in Windsor, CA.

Hit the trails at Pacific Union College in Angwin on May 3 for Angwin to Angwish, with 26K, 10K and a 1 mile kids run. Scenic courses and a community vibe, with proceeds benefiting PUC Athletics.

Trail races from Stinson Beach into Muir Woods include a marathon, half marathon and a 7 mile course. Routes use the Dipsea Trail and Steep Ravine with ladders and stair sections, feature multiple aid stations, and are limited to 300 partic..

Join the Waves & Whales 5K in Point Arena for a scenic coastal loop along bluffs and forest. All ages welcome and proceeds benefit a youth conservation program, with participants receiving an organic cotton tee and snacks.

Run Berkeley's scenic trails at the Grizzly Peak Trail Run in Tilden Regional Park, with distances from a free kids 50 yard dash up to a challenging 50K. Expect rugged singletrack, stocked aid stations, finisher medals and awards for top ru..