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Summits are made to be reached!

Plan Your Vertical Weekend!

Discover the beauty of
Mount Diablo!

Join us on October 21, 2023. 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.

 

Diablo Summit Stomp

STOMP TO THE SUMMIT ON OCTOBER 21, 2023

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Hour
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RACE DETAILS

RACE INFO

Everything you need to know.

ENTRY INFO

Get registered to run.

COURSE

Conquer your devilish course!

FAQ

Answers here.

BIB PICK-UP

Get ready to run.

RESULTS

Get your official time here.

PHOTOS

Provided for free by our volunteer photographers.

VOLUNTEER

Support family, friends and fellow runners.

REGISTER TO RUN

Join us  for our epic 5k, 10k, half marathon or 30K trail runs on Mount Diablo!

SPONSORS

Thank you to our race sponsors, through their contributions, our sponsors help keep entry costs down and expose our runners their outstanding products and services. Learn more about becoming a sponsor.

There is something about the ritual of the race, putting on the number, lining up, being timed, that brings out the best in us.
Grete Waitz