Sierra Azul Trail Challenge

The Badger Cove Half Marathon, along with 10K and 5K events, will take place on April 19, 2025, in Livermore, California, at Lake Del Valle Regional Park. This trail race invites participants of all levels, including walkers and hikers, to enjoy the scenic emerald hills. Runners will receive custom..

The Go Wild! Peninsula event offers a thrilling 4-hour trail and wilderness scramble in San Carlos, CA, set against a backdrop of vibrant spring wildflowers and expansive forest views. Participants, in teams of 1 to 5, will navigate using a custom map to locate up to 24 checkpoints along scenic trai..

The Horseshoe Lake Trail Run is an exciting running event taking place at the Skyline Ridge Open Space Preserve in La Honda, California. Scheduled for April 20, 2025, the event features multiple race distances, including a Half Marathon, 30K, 5-mile run, and a free Kid's Run for children aged 6 and..

The No Foolin' Foot Race, organized by the Parks and Recreation Foundation of San Carlos, invites participants to explore the scenic trails of San Carlos in its third annual event. Runners can choose between a challenging 5k and 10k course, featuring significant elevation gains, or a 1-mile course f..

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

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 participants a chance to run through beautiful oak forests and meadows, with stunning views of the Santa Clara Valley and Santa Cruz..