Diablo Trails Challenge

The Diablo Trails Challenge is a running event taking place on Mount Diablo, featuring multiple race distances including a 50K, half marathon, 10K, and 5K. Scheduled for April 5, 2025, this challenge caters to runners of all experience levels, from beginners to seasoned ultra-runners. A portion of the entry fees supports Save Mount Diablo, an organization dedicated to preserving open space and trails in the area.

Participants can enjoy the scenic beauty of the mountain while contributing to a worthy cause. The event is part of the Brazen Ultra Half Series, known for its challenging courses. Visit the organization's website for the most recent information.