Diablo Summit Stomp

Index card: facts and a plan, no score. RaceWorth scores only the fly-for-this catalog.

Walnut Creek, CA, United States

Index card · facts and a plan

The card

Diablo Summit Stomp starts 8:30 am on 2026-10-17 in Walnut Creek, CA. Course measures about 19.2 miles with 4252 ft of gain to a 3,825 ft high on the RideWithGPS map linked from Brazen. Aid: Aid Station #3 (helipad aid) (mi 9); Aid Station #4 (summit aid) (mi 12); Aid Station #5 (helipad aid) (mi 15). Cutoffs: Aid Station #3 (helipad aid) mi 9 by 11:15; Aid Station #4 (summit aid) mi 12 by 12:45; Aid Station #5 (helipad aid) mi 15 by 1:45. Entry fees $97-$112 (open-registration). 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 Map: https://ridewithgps.com/routes/41237506.