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Sunday, May 23, 2027 · 8:15 AM · Clayton, California

Diablo Trail Run

Half Marathon, Marathon and Ultra in Clayton, CA · Free-$96.40

Register for 4 Mi (opens in a new tab)$54
Register for 10 Mi (opens in a new tab)$64.60
Register for Half Marathon (opens in a new tab)$75.20
Register for Marathon (opens in a new tab)$85.80
Register for 50K (opens in a new tab)$96.40
Register for Kid's Run (6yo & younger, 50yd dash) - Free! (opens in a new tab)Free
Register for Coastal Testing (opens in a new tab)Free
Race Info

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.)

Time limit
No time limit listed by the organizer
Walkers
Not mentioned — ask the organizer
Terrain
flat and fast
Certified
Not stated

Pulled from the organizer's own race description — per the organizer, not independently verified.

Ready to sign up?

Register for 4 Mi (opens in a new tab)$54
Register for 10 Mi (opens in a new tab)$64.60
Register for Half Marathon (opens in a new tab)$75.20
Register for Marathon (opens in a new tab)$85.80
Register for 50K (opens in a new tab)$96.40
Register for Kid's Run (6yo & younger, 50yd dash) - Free! (opens in a new tab)Free
Register for Coastal Testing (opens in a new tab)Free

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Source

Race details on this page come from RunSignup.

Race details can change and mistakes can be made. Always verify the race website for the most complete and accurate information. Report an error on this page.

Doability details — walkers welcome, time limit, terrain, and course certification — are read from the organizer's own description and haven't been independently verified.

Are you the race organizer? Request this listing be removed.

Diablo Trail Run

Sun, May 23, 2027 · Free-$96.40

Register (opens in a new tab)