2026 Diablo Trail Run

Race Information

Here's your chance to choose from a variety of race distances on the trails of Mt. Diablo. Enjoy 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.

Race distances: 4-mile, 10-mile, half marathon, marathon, 50k.

T-shirts will be given to all pre-registered runners. Award medals are given to the 1st female and male finishers overall and top three finishers in each age group. All finishers will receive a custom medal and 50 Km finishers will also receive a custom coaster.

Run Pick of the Month - Napa to Sonoma Wine Country Half Marathon & Rosé 5K

Your ultimate Wine Country runcation awaits in July 2026!

Use code N2SRG26 to get $10 off on your entry!

Trade the concrete jungle for rolling vineyards and uncork a new running personal best at the Napa to Sonoma Half Marathon & Rosé 5K. This is more than a race, it's your perfect run-cation escape.

Choose your vintage: Take on the picturesque Rosé 5K around historic Sonoma Plaza, or conquer the world-class Half Marathon that winds point-to-point from Napa, past 30+ iconic wineries and beautiful ranches.

Experience an unforgettable, wine-centric finish in Sonoma Plaza, complete with a celebratory post-race festival featuring tastings from local wineries!.

Sign up now and experience the run-cation that runners repeatedly cite as a favorite!

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