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Diablo Trails Challenge

Walnut Creek, United States • 5 Apr 2025

The Diablo Trails Challenge is a running event taking place on April 5, 2025, at Mount Diablo in Walnut Creek, California. Participants can choose from various distances, including a 50K, half marathon, 10K, and 5K, catering to both novice and experienced runners. This event not only promotes fitness and outdoor activity but also supports the conservation efforts of Save Mount Diablo, which has worked for over 40 years to preserve open spaces around the mountain. A portion of the entry fees will contribute to these environmental initiatives, making the challenge a meaningful experience for all involved. Visit the organization's website for the most recent information.

United States California Walnut Creek

Race information

Website Registration
50 km
50k
13 mi
1/2 Marathon
10 km
10k
5 km
Visit the organization's website for the most recent information.
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