Mare Island Half Marathon, 10K, 5K
June 28 @ 7:30 am PDT
Join us on Sunday, June 28, 2026 for the Mare Island Half, a scenic and historic race experience set entirely on Mare Island in Vallejo, CA. Hosted by Mare Island Brewing Co. at their Coal Sheds location, this event offers a unique combination of waterfront views, naval history, and post-race celebration.