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Tarc Wapack and Back

Ashburnham, United States • 9 May 2026

The TARC Wapack and Back is a challenging trail running event held annually in Ashburnham, Massachusetts, along the scenic Wapack Trail. Offering three distance options—21.5 miles, 43 miles, and 50 miles—the race features rugged terrain with rocky ledges, boulder fields, granite slabs, and technical single-track trails. Elevation gain is significant, with the 50-mile course totaling around 10,800 feet.

Participants enjoy stunning views of the Boston skyline, Berkshire, Green, and White Mountains. The event emphasizes environmental stewardship with a Leave No Trace policy and includes multiple aid stations, drop bag support, and a supportive community atmosphere. It is a sold-out race known for its camaraderie and challenging course. Visit the organization's website for the most recent information.

United States Massachusetts Ashburnham

Race information

Website
50 mi
10800 m+
50 Mile Ultramarathon
43 mi
43 Mile Ultramarathon
21 mi
21.5 Mile Trail Race
Visit the organization's website for the most recent information.
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