1700 Castle Rock Rd., Walnut Creek, CA
The Diablo Summit Stomp is a Running race in Walnut Creek, California consisting of a Half Marathon and 10K and 30K and 5K Trail Run.
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. Depending on the weather, all distances may include mud and creek crossings!
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).
Claim this race to update race dates, course descriptions, upload race pictures, and more.CLAIM RACE
We try to keep race listings up-to-date, but sometimes miss updates. Click below to submit updated race information and details.SUBMIT UPDATE