Trail Running calendar near Lake Sonoma 2026-2027

The inaugural Rim Rock 50 Mile Trail Challenge explores Napa's wild trails. Runners will tackle a two-loop course through Skyline Park and the new Suscol Headwaters. This cupless event offers a 50-mile solo or relay option with a 13-hour cu..

The Wildcat 2026 offers a Half Marathon, 10K, and 5K with spectacular Bay Area views. The event supports the East Bay Regional Parks Campership Program and takes place in El Sobrante, California.

Experience the scenic trails of China Camp State Park with 5K, 10K, and Half Marathon races. Runners enjoy panoramic bay views and forested single-track paths in this professionally timed event near San Rafael.

Run the original Brazen Racing event at historic Point Pinole. Choose from a half marathon, 10K, or 5K trail race. Runners and walkers are both welcome to participate.

These trail runs explore the beautiful Sonoma Coast State Park. The courses traverse a scenic ridgeline with ocean views and summit Red Hill. The event will return in 2027 with a planned new location in Monte Rio.

Join the free Dirt Circus community festival in San Francisco for a social trail run, a pancake breakfast, and a raffle. Meet local race directors and brands, and enjoy the circus vibe with costumes encouraged. The event starts with group r..

Experience the scenic trails of Lagoon Valley Park at The Pena Passage. Choose from 30K, 10K, or 5K distances featuring rolling hills and oak groves in a natural setting.

The 14th Bay 2 Bankers offers a unique team adventure through San Francisco. Navigate a 5K or 10K course from Ghirardelli Square using a custom map. Teams of up to five can enjoy post-run refreshments.

Experience the technical trails of Mt. Tamalpais and Muir Woods on this scenic coastal run. Choose from 10K, Half Marathon, or 30K distances featuring redwood forests and Pacific Ocean views.

Experience the coastal beauty of the Marin Headlands with trail races ranging from 8K to 50K. Run past historic landmarks and enjoy panoramic views of the Golden Gate Bridge and the Pacific Ocean.

A classic 50K trail ultramarathon in Marin County's stunning Headlands, featuring iconic trails and challenging terrain. The single-loop course offers spectacular coastal views and finishes at Santos Meadow. It's part of the USATFPA Grand P..

Navigate through historic San Francisco neighborhoods and parks in this unique 5K or 10K challenge. Use a custom map to find checkpoints and solve riddles individually or in teams of up to five people.

Tackle the legendary Double Dipsea, a 13.7-mile out-and-back on the historic Dipsea Trail from Stinson Beach. This unique race features a handicapped start, putting all runners on a single-track course of constant passing. Experience the hi..

Experience a scenic trail run around Angel Island State Park with views of the San Francisco skyline and Golden Gate Bridge. Choose between 10K and half marathon distances on this hilly island loop trail.

Experience the trails of China Camp State Park with a selection of distances including a 5K 10K and Half Marathon. Participants enjoy a post race festival with beer steins custom medals and local snacks.

Run through ancient redwoods on a looped trail course at this weekend festival. Choose from timed 6 or 12 hour events, a half marathon, or a 10k race. The private camp setting offers camping, live music, yoga, and communal meals.

The Berkeley Trail Adventure offers four distances on the scenic trails of Tilden Regional Park. Runners can expect shaded paths, open views, and fully stocked aid stations. It's a cupless event where all finishers receive a medal.

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.

Experience the beauty of California wine country at the Sonoma Fall Classic. This event offers challenging singletrack trails and majestic lake views across distances ranging from a marathon to a 100 mile ultramarathon.

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..