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Diablo Trail Run

Clayton, United States • 7 Sep 2025

The Diablo Trail Run, scheduled for September 7, 2025, in Clayton, California, offers a variety of race distances including a 4-mile, 10-mile, half marathon, marathon, and 50K, along with a free Kid's Run for children aged 6 and under. The event takes place in the scenic Mount Diablo State Park, featuring a mix of flat and mountainous terrain. Participants can expect well-stocked aid stations, custom medals for finishers, and awards for top performers in various categories. The race promotes sustainability by being cupless, encouraging runners to bring their own hydration containers. Visit the organization's website for the most recent information.

United States California Clayton

Race information

Website
50 km
8000 m+
50k
26 mi
6760 m+
Marathon
13 mi
3420 m+
Half Marathon
10 mi
2420 m+
10 Mi
4 mi
400 m+
4 Mi
Kid's Run (6yo & Younger, 50yd Dash) - Free!
Visit the organization's website for the most recent information.
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