Trail Running calendar near Geyserville 2025-2026

Experience a scenic loop around Angel Island with views of the Golden Gate and Alcatraz at the 37th Hark the Herald, offering a half marathon and a hilly 10K. Limited to 400 runners, includes ferry transport and finisher swag.

Explore twisty single track and coastal views along Montara Mountain at the Pacifica Foothills Trail Run in San Pedro Valley Park on January 24, 2026. Pick a 10K, half marathon, or rugged 30K and soak up lively aid stations and friendly tra..

The Golden Gate Trail Classic will take place in San Francisco from Saturday 24 January 2026 to Sunday 25 January 2026. You can run between 15 and 50 miles.

Run the 48th Jed Smith Ultra Classic on January 31, 2026 in Sacramento along a scenic mostly flat loop on the American River Parkway. Choose 50 miles, 50K, marathon, 30K or half marathon and enjoy a long sleeve tech shirt and handcrafted fi..

Run scenic trails along the Pacific and Marin Headlands with sweeping views of San Francisco and the Golden Gate Bridge. Distances range from 8K to 50K and include a free kids dash, making this a perfect coastal race for every runner.

Soak up San Francisco Bay views at Bay Breeze, a mostly flat road and trail event with half marathon, 10K, 5K and a remote runner option. Walkers and hikers are welcome on the scenic waterside course.

Tackle the scenic trails of Montara Mountain in Pacifica with distance options from a kids dash to a 50K. Expect challenging climbs and coastal views, pre registered runners get shirts and every finisher earns a custom medal.

Run scenic trails around Angel Island from a lively 5 mile loop to a challenging 15 mile climb up Mount Livermore, with custom medals and pre registered shirts. Ferries from Tiburon set the scene for a memorable island race day.

Run scenic trails at China Camp State Park in Santa Venetia with live and virtual 5K, 10K, and half marathon options on March 15, 2026. Expect technical single track, big climbs, and rewarding views for trail runners seeking a challenge.

Run the Marin Ultra Challenge on March 14, 2026 from Rodeo Beach, choosing a rugged 50 Mile or lively 50K through Marin Headlands, Mount Tamalpais and Muir Woods. Expect big climbs, technical single track and sweeping coastal views.

The Big Alta is a three day trail running festival in Marin County offering 28K, 50K and 100K routes that climb scenic ridgelines with sweeping San Francisco Bay views. Expect staffed aid, chip timing and lively post race vibes.

Scenic single track trails, hills and streams in Bothe Napa Valley State Park near Saint Helena host marathon, half and 10K races on March 21, 2026. Limited to 300 runners, the event offers T shirts and medals for the marathon and half.

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.

Run a scenic 10K trail at Lake Lagunitas with roots, bridges and about 400 feet of climbing while supporting Evidence Action's Safe Water Now program. Limited to 100 runners, rain or shine, so register early for this feel good challenge.

Run scenic single track and fire roads above the Golden Gate Bridge at the Golden Gate Headlands Marathon, Half Marathon and 10K on April 4, 2026. Limited to 400 spots, this race delivers sweeping bay and ocean views.

Run the scenic trails of Mount Diablo near Walnut Creek on April 4, 2026 with Brazen Racing, offering distances from 5K to 50K. A portion of entry fees benefits Save Mount Diablo so you can race and help protect the park.

Run around Angel Island for stunning views of the Golden Gate, Alcatraz and San Francisco in a scenic but hilly 10K or half marathon loop. Limited to 400 runners, ferry transport and a finisher shirt are included for participants.

Run scenic trails at Lake Sonoma near Healdsburg with 100K, 50K or the Trail Sisters women only half marathon that finishes at the Visitor Center. Expect big climbs, lake overlooks, strong aid support and a celebratory finish.

Trail run Napa Valley from the Great Lawn at Calistoga Fairgrounds to Mount St. Helena and Oat Hill Mine, with 50K, 35K, half marathon and 10K options. Expect big climbs, scenic single track and rewarding winery views.

Run the Mendocino Coast 50K along rugged coastal and forest trails, with river, redwood and waterfall scenery. Start at Big River State Beach and finish on bluffs above the Pacific for unforgettable ocean views.