Diablo Trails Challenge
Discover the beauty of Mt. Diablo, racing on the near-4000 foot hill over 50k, Half Marathon, 10k or 5k distances. You'll be supporting the cause of Save Mount Diablo as you run.
With distances suitable for everyone from those hitting the trails for the first time to experienced ultra-runners, the Diablo Trails Challenge was created to help celebrate and support Save Mount Diablo in their quest to preserve and increase the open space on and around Mount Diablo.
All runners will receive custom finisher medals and custom shirts (cotton and tech shirts available).
Get Help Training
Need some help training for this race? US Champion, Tara Welling will build you a custom half marathon training plan that is built-from-scratch and specifically tailored for your next race.Get Custom Plan
Did you know that this race is part of a series of runs? If you like this race you may want to run one of the following Brazen Ultra Half Series events.