Diablo Trails Challenge
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Diablo Trails Challenge 2027 - Event details
Diablo Trails Challenge takes place on April 3, 2027 at 1700 Castle Rock Road, Walnut Creek, CA, United States. The event offers multiple trail distances on and around Mount Diablo and supports the conservation work of Save Mount Diablo; a portion of entry fees is directed to that organization.
Available race distances include:
- 50K
- Half Marathon
- 10K
- 5K
The event also lists a Remote Runner category and an optional BBQ lunch plate. Registration fees are tiered and increase as the event date approaches. Sample price points shown include early and later amounts for each category, for example the 50K is listed from $159.17 to $180.52, the Half Marathon from $105.80 to $116.47, the 10K from $86.58 to $97.26, the 5K from $76.98 to $87.65, and the Remote Runner from $50.29 to $55.63. A BBQ lunch plate is offered separately at $23.60.
Save Mount Diablo has worked for more than 40 years to expand and preserve open space on and around Mount Diablo, growing protected land from 6,788 acres to over 100,000 acres. The Diablo Trails Challenge is presented in the context of these conservation efforts and includes options for in-person and remote participation. Visit the organization's website for the most recent information.
