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 demanding half marathon known for its tough hills and breathtaking views, offering runners a unique wilderness experience and bragging rights. In addition to the half marathon, there are 10K and 5K races that also include hilly terrain and rewarding vistas, though they are less intense.

The race is part of the Brazen Ultra Half Series but open to all runners. The event emphasizes rugged trail running and stunning natural scenery. Visit the organization's website for the most recent information.