Diablo Trail Run

The Diablo Trail Run, scheduled for September 7, 2025, in Clayton, California, offers a variety of race distances including a 4-mile, 10-mile, half marathon, marathon, and 50K, along with a free Kid's Run for children aged 6 and under. The event takes place in the scenic Mount Diablo State Park, featuring a mix of flat and mountainous terrain. Participants can expect well-stocked aid stations, custom medals for finishers, and awards for top performers in various categories.

The race promotes sustainability by being cupless, encouraging runners to bring their own hydration containers. Visit the organization's website for the most recent information.