Diablo Summit Stomp Run

This event has expired and is here for your reference.

  • Admission: $40-$97
  • Location:
    Mt. Diablo State Park/Castle Rock Recreation Area
  • 1700 Castle Rock Rd
  • Walnut Creek, CA 94598
202123Oct

Brazen Racing welcomes first-time and experienced trail runners to embark on a course across the East Bay's own Mt. Diablo!

Racers have the option of registering for a 30K, half-marathon, 10k, or a 5k. All courses are on dirt trails in Castle Rock and Mt. Diablo State Park. The farther you run, the more of the park you see, all the way to the summit for the 30k.


Rise to the challenge and find more information including registration, course maps, FAQ, and more at Brazen Racing's website here!