Clarence Demar Marathon
Keene, NH • September 27, 2026
26.2M13.1M
WebsiteThe Clarence DeMar Marathon is a tremendously well-organized, welcoming race held during early New England foliage season. The 26.2-mile course is USATF-certified and a Boston qualifier. At the DeMar, we give our runners a world-class experience as we celebrate each and every cross of the finish line.
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Please visit the official race website to confirm all details.