Diablo Summit Stomp
Walnut Creek, CA • October 18, 2025
13.1M10K5K
All courses are on trails. While there are some hills, this event, like all Brazen Racing runs, is very friendly to first-time trail runners and experienced runners alike. Walkers/hikers are welcome in all distances. Age group awards will be awarded to the top 3 finishers in 5 year categories (smaller categories for the younger ages
Other Races by Brazen Racing
Please visit the official race website and registration page to confirm all details, as information may change.