California · 4 Miles · 10 Miles · 5K

Diablo Trail Run

Diablo Trail Run is a 4 Miles, 10 Miles, 5K, 10K and 30.4 Miles event held in Clayton, California. It was last held on September 6, 2026 and is usually run in September; the next date hasn't been announced yet.

Usually held
September
Location
Clayton, CA

Race details

Last held
September 6, 2026
Usually held in
September
Distances
4 Miles, 10 Miles, 5K, 10K, 30.4 Miles, 50 Yards, 2 Miles
Official website
runsignup.com

About the Diablo Trail Run

Mount Diablo provides spectacular views of the San Francisco Bay Area and surrounding valleys. The 4 mile course is relatively flat and fast within Mitchell Canyon. The longer events are mountainous and very scenic. (Distances are accurately measured using a Rolatape® surveyor's measuring wheel.)

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Diablo Trail Run: common questions

When is the Diablo Trail Run?
The next date hasn't been announced in the listing yet. The race is usually held in September. Check the organiser's website for the official date.
Where is the Diablo Trail Run held?
In Clayton, California.
What distances does the Diablo Trail Run offer?
4 Miles, 10 Miles, 5K, 10K, 30.4 Miles, 50 Yards and 2 Miles.
How do I register for the Diablo Trail Run?
Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
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