Stomp To The Summit 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.

Age group awards will be awarded to the top 3 finishers in 5 year categories (smaller categories for the younger ages). 

Registration Fees

5K with race shirt

Apr 24 - Sep 18 Current Price $48.00
Sep 19 - Oct 16 $53.00
Oct 17 - Nov 3 $58.00

5K without race shirt, -$5.00

Apr 24 - Sep 18 Current Price $43.00
Sep 19 - Oct 16 $48.00
Oct 17 - Nov 3 $53.00

10K with race shirt

Apr 24 - Sep 18 Current Price $53.00
Sep 19 - Oct 16 $58.00
Oct 17 - Nov 3 $63.00

10K without race shirt, -$5.00

Apr 24 - Sep 18 Current Price $48.00
Sep 19 - Oct 16 $53.00
Oct 17 - Nov 3 $58.00

Half Marathon with race shirt

Apr 24 - Sep 18 Current Price $74.00
Sep 19 - Oct 16 $79.00
Oct 17 - Nov 3 $84.00

Half Marathon without race shirt, -$5.00

Apr 24 - Sep 18 Current Price $69.00
Sep 19 - Oct 16 $74.00
Oct 17 - Nov 3 $79.00

30K with race shirt

Apr 24 - Sep 18 Current Price $79.00
Sep 19 - Oct 16 $84.00
Oct 17 - Nov 3 $89.00

30K without race shirt, -$5.00

Apr 24 - Sep 18 Current Price $74.00
Sep 19 - Oct 16 $79.00
Oct 17 - Nov 3 $84.00

Remote Runner

Jan 28 - Oct 16 Current Price $40.00
Oct 17 - Nov 3 $45.00

Remote Runner without race shirt, -$5.00

Jan 28 - Oct 16 Current Price $35.00
Oct 17 - Nov 3 $40.00

Event Schedule

  • November 4 7:45 AM PDT - Early Half Start (for those walking the half marathon, planning to take longer than 3.5 hours)

  • November 4 8:15 AM PDT - 30K

  • November 4 8:30 AM PDT - Half Marathon

  • November 4 9:00 AM PDT - 10K

  • November 4 9:15 AM PDT - 5K

Contact Information

Event Location

Castle Rock Road, Walnut Creek, CA, United States

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