Rancho Hills Trail Run - Summer

The South Hills Single Track Trail Run - Spring is an exciting trail running event taking place at Calero County Park in San Jose, CA. Participants can choose from various distances, including a 50K, Trail Marathon, Half Marathon, and shorter options down to a Kids Run. The course features scenic si..

The Terrible, Horrible, No Good, Very Bad Day 50K is a challenging ultrarunning event set for March 29, 2025, in Los Gatos, California. Participants can choose from three trail options: a 50K with a significant elevation gain of 10,900 feet, an 18-mile fun run, or a 10-mile puppy run. This non-suppo..

The Santa Teresa King Richard Annual Trail Run is a cherished event held at Santa Teresa County Park in San Jose, CA, designed to honor the legacy of Richard Limb. Participants can choose from various distances, including a Half Marathon, 10 Mile, 10K, and 5K, all set against the park's stunning nat..

The Sierra Azul Trail Challenge is an exciting running event set in the scenic Sierra Azul Open Space Preserve, near San Jose, CA. Participants can choose from various distances, including a 50K, Trail Marathon, 20 Mile, Half Marathon, 7 Mile, and 5K. This challenging race offers a unique opportunit..

The Hacienda Hills Trail Run - Spring is an exciting trail running event taking place at Almaden Quicksilver County Park in San Jose, California. Scheduled for May 3, 2025, the event features nine different race distances, including a 50K, Trail Marathon, 30K, Half Marathon, 9 Mile, 10K, 5K, Mile, a..

The Quicksilver Endurance Runs, taking place in San Jose, CA, features both 50K and 100K races on scenic, hilly trails. Celebrating its 40th edition, the event offers runners a chance to experience beautiful oak forests, meadows, and stunning views of the Santa Clara Valley and Santa Cruz Mountains...