Trail Running calendar near Riverbank 2026-2027

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 a winter run through the technical terrain of the Red Hills Recreation Area in the Sierra Foothills. Choose between six or twelve mile distances featuring water crossings and muddy trails in a scenic natural environment.

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 a point to point ultramarathon through the scenic California gold country. This trail race takes runners from Coloma to Folsom Lake while supporting type 1 diabetes research.

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.

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.