Santa Teresa King Richard Annual Trail Run

The Race to the Top of Mt. Umunhum Vert Trail Challenge is a half marathon event taking place in San Jose, California, within the scenic Almaden Quicksilver Park and Sierra Azul Open Space Preserve. Participants will experience a challenging point-to-point course, with a six-hour time limit to compl..

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 Horseshoe Lake Half Marathon is a scenic running event taking place in La Honda, California, featuring a 13-mile course that offers stunning views of both the Pacific Ocean and San Francisco Bay. The route combines single-track trails and fireroads, with a total ascent of 2230 feet, making it su..

The Western Pacific 2025 is a running event featuring a Half Marathon, 10K, and 5K, taking place at the Quarry Lakes Regional Recreation Area in Fremont, California. This scenic course, historically used for transporting gravel in the 1800s, offers a mostly flat terrain ideal for runners of all leve..

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 SPASM Lake Chabot Trail Run is a diverse running event taking place at Lake Chabot Regional Park in Castro Valley, California. Scheduled for April 12, 2025, it features multiple race distances including an 8K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6..