SPASM Lake Chabot Trail Run
Castro Valley, California, United States
Aug 30, 2026 - Sunday
30k, 50k, 8k/5mi, Half-marathon, Marathon, Ultra
Race Information
This event features a wild array of race distances! Pick from the 5-mile, half marathon, 30k, marathon, and 50k runs. The course starts at the Marina and travels around the popular Lake Chabot reservoir and surrounding hills. Great course for first-time trail runners!
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!
Free Plan for Beginner Runners
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Race Facts
Race Size: 100 - 500
Course Type: Trail
Boston Qualifier: No
Kids Run: Yes
Where to Stay
Use this map to find hotels and airbnb accommodation near this race location.

