Trail Running Calendar California 2025-2026

Into The Wild Fremont Canyon is part of the OC Trail Runs series, featuring a 28k race set in the scenic Fremont Canyon. This event invites participants to experience the beauty of Southern California's natural landscapes while challenging themselves on diverse terrain. The race emphasizes the thril..

The Hunter S. Thompson Fear & Loathing event is a renowned ultra-running race held annually in San Francisco, CA, since 1985. The event features two main distances: a 50K and a 50-mile race, with no entry fee required.Participants navigate a course primarily on city streets, with some trail options ..

The Crystal Cove Trail Run is a premier running event set in the scenic Crystal Cove State Park, Laguna Beach, California. Participants can choose from three distances: the challenging 15k, which includes steep climbs and technical sections like the Rock Garden, Elevator, and the Wall; the 6k; and a..

The Folsom Lake Point to Point Trail Half Marathon is a scenic running event taking place in El Dorado Hills, CA, featuring a course that is 95% single track and 5% dirt road. Runners will enjoy beautiful views of Folsom Lake, oak trees, and the Sierra Mountains while navigating gentle rolling hills..

The Brazen New Year's Day event in 2026 offers participants a choice of three scenic running distances: a half marathon, 10K, and 5K, set against the beautiful backdrop of Lake Chabot in Castro Valley, California. This invigorating race takes place on January 1st, welcoming runners to kick off the n..