Rocky Ridge Trail Half Marathon

The Rocky Ridge Trail Half Marathon is a challenging trail race held in the scenic Las Trampas Wilderness near San Ramon, California. Scheduled for September 20, 2025, the event features a half marathon, 10K, and 5K distances. Known for its tough terrain and significant elevation changes, the half marathon is not suited for beginners but offers runners stunning vistas and a rewarding wilderness experience.

The 10K and 5K courses also include hills and beautiful views, providing a demanding yet scenic challenge. This race is part of the Brazen Ultra Half Series and promises a memorable adventure for trail running enthusiasts. Visit the organization's website for the most recent information.