Clarence DeMar Marathon
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Clarence DeMar Marathon - Keene, New Hampshire
The Clarence DeMar Marathon is a road running event held in Keene, New Hampshire. The 48th running is scheduled for Sunday, September 27, 2026. The event offers both a full marathon and a half marathon, and includes a youth option known as the Kids DeMar.
The course includes a final third that runs around and through the town of Keene. Historical continuity and local involvement are emphasized; in 2019 roughly 500 volunteers supported the event, with field sizes of about 400 marathoners and 450 half-marathoners that year. The event lists multiple supporting sponsors, including the City of Keene and various local organizations.
Race materials and organization include information for Team DeMar, race weekend logistics, apparel and a shop, volunteer coordination, and sponsor participation. Results and past race photography are available as part of event documentation. Contact is maintained via a Keene postal address for event correspondence.
The description focuses on the event format, course relation to Keene, participation scale from past years, and organizational elements that accompany a multi-distance road race. Visit the organization's website for the most recent information.
