Mountain Tiger Diablo

OCT
10
2026
A 12.4 mile loop from Mitchell Canyon to the Mount Diablo summit and back with about 4,000 feet of climbing and a five hour cutoff.
Sat 10 Oct 2026
12 miles

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Mountain Tiger Diablo

Mountain Tiger Diablo is a 12.4 mile loop race that goes from the Mitchell Canyon visitor area to the Mount Diablo summit and back. The course follows a direct route with a short spur on Summit Trail and includes about 4,000 feet of climbing and 4,000 feet of descending.

Participants start at Mitchell Canyon and climb roughly 1,700 feet in the first 2.5 miles via Eagle Peak, then continue up Bald Ridge Trail to reach the summit of Mount Diablo. The return route descends about 4,000 feet over approximately 6 miles via Prospector's Gap and Back Creek Trail, finishing near the Mitchell Canyon area. The event has a five hour cutoff for the course.

Entry is listed at $95 plus fees. The entry package includes group shuttle transportation between an off site parking area and the start and finish area, an entry to the post race raffle, and a unique finisher item. The organizer states no refunds and offers 2027 rollovers until September 1. Registration closes on Wednesday, October 7 at 11:59 PM Pacific Time.

Location details note Mitchell Canyon in Clayton, California, with the visitor area address at 96 Mitchell Canyon Road, Clayton, CA 94517. Visit the organization's website for the most recent information.

12 mi
12 Miler
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