Calero Hills Trail Fest

The SPASM Lake Chabot Trail Run is a multi-distance running event taking place at Lake Chabot Regional Park in Castro Valley, California. Scheduled for April 12, 2025, the event features various race options including an 8K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for chil..

The Woodside Crossover is a trail running event taking place on April 12, 2025, at Huddart County Park in Woodside, California. Participants can choose from four distances: 10K, Half Marathon, 35K, and 50K, catering to runners of all skill levels. The course features scenic trails through redwood fo..

The Sierra Azul Trail Challenge is an exciting running event taking place 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 o..

The Badger Cove Half Marathon, along with 10K and 5K events, will take place on April 19, 2025, at Del Valle Regional Park in Livermore, California. This race, part of the Brazen Racing Ultra Half Series, offers participants a scenic run through the emerald hills of Lake Del Valle. All runners will..

The Go Wild! Peninsula event in San Carlos offers participants a thrilling 4-hour trail and wilderness scramble amidst beautiful spring wildflowers and scenic views. Teams of 1 to 5 will navigate using a custom map to locate up to 24 checkpoints along the trails and natural landscapes of Redwood Cit..

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..