Crystal Springs (summer) Trail Run

The Calero Trail Run - Spring offers various distances ranging from 5K to 50K, starting at Calero County Park in San Jose, CA. The trail features single tracks, hills, and dirt paths, providing a challenging yet scenic experience. The 50K route is particularly recommended for those training for West..

The Lake Chabot Trail Challenge Half Marathon and 5K is set to be the 2024 RRCA Trail Half Marathon State Championship. The event, organized by the Castro Valley Sports Foundation, will take place at Lake Chabot in Castro Valley, CA. The half marathon course offers scenic views of Lake Chabot, Mt. D..

The Mt. Umunhum Ultras is an exclusive trail racing event offering a variety of distances including a 52 Mile, 50K, Trail Marathon, 30K, Half Marathon, 9 Mile, 10K, and 5K. The races take place in the Santa Clara Valley, Sierra Azul Open Space Preserve, and the Santa Cruz Mountains, providing runner..

The Trailquake will take place in Saratoga on Saturday 8 June 2024. You can run between 5 and 21 kilometers.

The trail run offers various distances including an 8K, half marathon, 30K, marathon, and 50K, taking place at Joaquin Miller Park in Oakland, CA. Participants will traverse through Joaquin Miller & Redwood Regional parks, passing by tall redwoods and technical trails. The event features a Cinderell..

The Dirt Circus - San Franscisco will take place in SoMa on Saturday 15 June 2024. You can run between 0 and 0 kilometers.