Logo

Diablo Trail Run

Clayton, United States • 6 Sep 2026

The Diablo Trail Run will take place in Clayton on Sunday 6 September 2026. You can run between 4 and 50 kilometers. Visit the organization's website for the most recent information.

United States California Clayton

Race information

Website Registration
50 km
50k
26 mi
Marathon
13 mi
Half Marathon
10 mi
10 Mi
4 mi
4 Mi
Coastal Testing
Kid's Run (6yo & Younger, 50yd Dash) - Free!
Visit the organization's website for the most recent information.
Trail runs nearby

Quarry Turkey Half Marathon

Fremont

Celebrate Thanksgiving with a flat, scenic course at Quarry Lakes in Fremont offering a half marathon, 10K, 5K and a Little Turkeys kids dash. Costume friendly, walkers welcome, and donations support the Alameda County Community Food Bank.

The Krampus Cross Country

San Francisco

Run Krampus Cross Country in San Francisco live on Dec 7 or virtually Dec 5 to 8 with 5K 10K and the Naughty Nine Miler. All entrants get a wooden woodallion a Krampus tee and a beer sampler stein plus a brewfest on Dec 5.

Zombierunner Quarry Lakes

Fremont

...

Choose distances from a kids 50 yard dash to a full marathon as you run scenic Quarry Lakes and the Alameda Creek Trail in Fremont. Enjoy stocked aid stations, finisher medals and pre registered shirts with park entry included.

Hark the Herald Half Marathon

Belvedere Tiburon

Experience a scenic loop around Angel Island with views of the Golden Gate and Alcatraz at the 37th Hark the Herald, offering a half marathon and a hilly 10K. Limited to 400 runners, includes ferry transport and finisher swag.