Diablo Summit Stomp
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Discover the beauty of Mount Diablo!
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.
How to enter the Diablo Summit Stomp
- Run 30km
Half Marathon
Run 13.1mi10K
Run 10km5K
Run 5km
Diablo Summit Stomp routes
The longer you go, the more you see and experience! Courses are all on dirt trails, heading out from Castle Rock Park in Walnut Creek, heading into Mount Diablo State Park – all the way to the summit for the 30K.
Each course will be marked with colored ribbons, signs, and flour. Runners unfamiliar with the courses should carry a copy of the course map to ensure they stay on course.
30K
Start Time: 8:15amHalf Marathon
Start Time: 8:30am10K
Start Time: 9:00amEvent Details
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Brazen Racing
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