Diablo Trails Challenge Records

50K Male

Brett Rivers 4:06:21 2014

Half Marathon Male

Harlan Lopez 1:30:40 2014

10K Male

Brandon Sepp 37:54 2014

5K Male

Zachary Connolly 17:22 2015

50K Female

Magdalena Boulet 4:34:22 2015

Half Marathon Female

Johanna Thomas 1:50:36 2013

10K Female

Jann Erickson 48:37 2010

5K Female

Lisa Penzel 22:59 2010

Discover All Our Races

The more running events you participate in, the more people you’ll meet and places you’ll see. Check out all our races and plan your schedule.

Explore All Races   Race Calendar   Race Map


We are grateful for the sponsors who support our races and the greater running community. We hope you will support them back.

Reach Our Runners

As the most popular race series in Northern California, we reach tens of thousands of runners. Get your brand or product involved with Brazen Racing.

Learn More

Pin It on Pinterest