Diablo Summit Stomp
Race Reports
Read first hand reports and reviews from runners who have completed this race in the past!
Race Information
Just across the East Bay hills from San Francisco, Mt. Diablo beckons! Come stomp to the peak at just under 4000 feet. Choose from a wild range of race distances: 5k, 10k, Half Marathon and 30k are all on tap.
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).
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Pace Calculator
Find your running pace and splits, and learn if you can outrun dangerous animals with the RunGuides run pace calculator.