Diablo Trails Challenge
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Diablo Trails Challenge 2027
The Diablo Trails Challenge is a trail running event held on April 3, 2027, at 1700 Castle Rock Road, Walnut Creek, California. The event offers multiple course options on the trails around Mount Diablo and supports conservation work by Save Mount Diablo. A portion of entry fees is designated for Save Mount Diablo, which has expanded protected open space from 6,788 acres to over 100,000 acres.
Distances and participation options include:
- 50K
- Half Marathon
- 10K
- 5K
- Remote runner option
The event listing includes a Hiker Half Marathon entry category and additional items such as a BBQ lunch plate from Slow Hand BBQ available as a separate ticket. Registration shows staged pricing windows for each distance. The event page lists volunteer and fundraising options and provides links to the event organizer and supporting organization. The description focuses on trail courses near Mount Diablo and the event’s role in raising funds for local open space preservation. Visit the organization's website for the most recent information.
