Diablo Trail Run

Clayton, California, United States

Aug 22, 2021

Trail running

Past event · 2021 edition

Diablo Trail Run

Clayton California

Aug 22, 2021

49.9K Marathon Half-Marathon 16.1K +1 Trail running

$50.00 – $85.00

New date announced

Go to the 2026 edition page

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About this race

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.)

Ready to test your limits? The Diablo Trail Run brings a highly anticipated 49.9K, Marathon, Half-Marathon, 16.1K, 6.4K to Clayton on August 22, 2021. Expect a fantastic route right in the heart of California.

Pick your distance

Trail running

50KM

Aug 22, 2021 49.9K 8:00 AM

$85.00

Closed

Marathon

Aug 22, 2021 Marathon 8:00 AM

$75.00

Closed

Half Marathon

Aug 22, 2021 Half-Marathon 8:00 AM

$65.00

Closed

10 MI

Aug 22, 2021 16.1K 8:00 AM

$55.00

Closed

4 MI

Aug 22, 2021 6.4K 8:15 AM

$50.00

Closed

About Clayton

Diablo Trail Run takes place in Clayton, California, United States. The local timezone is America/Los_Angeles.

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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.