Trail Running calendar near San Jose 2026-2027

A trail running event in San Francisco on January 23-24, 2027, offering 15K, 25K, 50K and 50 mile options on soft, hilly trails. The course travels through the Marin Headlands and crosses the Golden Gate Bridge with coastal views.

Experience a scenic run or walk through Fremont with minimal climbing. Choose from 5K, 10K, or Half Marathon distances featuring diverse terrain from wood boardwalks to dirt paths along the bay.

Experience the coastal beauty of the Marin Headlands at the Golden Gate Trail Run. Choose from distances ranging from a 50K trail race to a fun kids dash with views of the Golden Gate Bridge and San Francisco.

Mt. Umunhum Trail Conquest (Winter) is a multi-distance trail event at Almaden Quicksilver County Park offering races from a kids run to a 50K with marked out-and-back courses, multiple aid stations, and summit sections to Bald Mountain or..

Experience a scenic and flat run along the San Francisco Bay shoreline starting from San Leandro Marina Park. This event offers half marathon, 10K, and 5K distances for both runners and walkers.

Experience the heights of San Pedro Valley Park with coastal views and various distances from 10K to 50K. This cupless trail race features significant elevation gain through rare coastal mountain habitats in Pacifica.

A trail running event at Sanborn County Park near Saratoga offering Kids, 1 Mile, 4 Mile, 8 Mile and Half Marathon distances on steep, mostly single track trails through mixed evergreen forest with multiple aid stations.

Experience a trail run across the forest and hills of Angel Island with views of San Francisco and the Golden Gate. Choose from multiple race distances including a youth dash and enjoy a picnic at Ayala Cove.

Point to point half marathon from Almaden Quicksilver County Park to the top of Mt. Umunhum, gaining about 4,767 feet. The course has aid stations and toilets, marked sections and a six hour time limit.

A multi-distance trail event on March 22, 2025 at Calero County Park in San Jose offering runs from a kids race to a 50K, single track and dirt-road courses, multiple aid stations, and per-distance time limits.

A spring trail race at Pueblo Day Use Area in Santa Teresa County Park on April 5, 2025 offering 5K, 10K, 10 Mile and a half marathon across marked, hilly trails with aid stations and a four hour half marathon limit.