Diablo Summit Stomp
The Diablo Summit Stomp is a trail running event held in Walnut Creek, California, featuring distances of 30K, half marathon, 10K, and 5K. The courses traverse dirt trails starting from Castle Rock Park and extend into Mount Diablo State Park, with the 30K reaching the summit of Mount Diablo. The event welcomes both first-time trail runners and experienced athletes, including walkers and hikers.
Runners experience varied terrain with some hills, mud, and creek crossings depending on weather conditions. The race offers well-marked courses, aid stations with refreshments, and age group awards. It emphasizes environmental care by encouraging reusable hydration options.
The event is scheduled for October 18, 2025. Visit the organization's website for the most recent information.
Always double-check with the organizer's website – things can change, and we might have sprinted past a few details!
