Sierra Azul Trail Challenge

The Sierra Azul Trail Challenge is a premier running event held in the scenic Sierra Azul Open Space Preserve, near Mt. Umunhum in San Jose, CA. Participants can choose from various distances, including a 50K, Trail Marathon, 20 Mile, Half Marathon, 7 Mile, and 5K, making it suitable for runners of all levels.

This challenging race offers unique access to beautiful trails and breathtaking scenery, providing an unforgettable outdoor adventure. Runners are encouraged to prepare for the demanding terrain and enjoy the stunning natural surroundings. For more details on course information and maps, visit the event's official website. Visit the organization's website for the most recent information.