Diablo Trails Challenge
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Diablo Trails Challenge 2027
The Diablo Trails Challenge takes place on April 3, 2027, at 1700 Castle Rock Road in Walnut Creek, California. The event offers multiple trail race distances on and around Mount Diablo with in-person and remote participation options. A BBQ lunch ticket is offered as an additional item.
Distances offered:
- 50K
- Half Marathon
- Hiker Half Marathon
- 10K
- 5K
- Remote runner option
Save Mount Diablo is the event beneficiary. The organization has worked for over 40 years to preserve open space, increasing protected land from 6,788 acres to more than 100,000 acres on and around Mount Diablo. A portion of entry fees is allocated to Save Mount Diablo to support preservation of open space and trails.
The event listing includes registration pricing categories for each distance and options such as a BBQ lunch plate. Event logistics and race-specific information are provided by the race organizer through the event page. Visit the organization's website for the most recent information.
