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Flat Rock Trail Race

Dunstable, United States • 21 Jun 2025

The Flat Rock Trail Race, held in Dunstable, Massachusetts, features a challenging 5-mile loop with nearly 600 feet of elevation gain. The scenic course includes landmarks such as the Arched Bridge Conservation Area, an old railroad bed, a former granite quarry and farm, and climbs to the tops of Blanchard Hill Ski Area and Flat Rock Hill. Participants can choose to run the 5-mile race once or complete as many loops as possible within a 6-hour time limit. The event supports the Humane Society for Greater Nashua's building expansion and coincides with local festivities like the Tyngsboro-Dunstable Historical Society Strawberry Festival, creating a vibrant community atmosphere. Visit the organization's website for the most recent information.

United States Massachusetts Dunstable

Race information

Website Registration
6 hr
600 m+
Flat Rock 6 Hour
5 mi
600 m+
Flat Rock 5 Mile
Visit the organization's website for the most recent information.
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