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 race totaling around 10,800 feet.

Participants enjoy stunning views of the Boston skyline, Berkshire, Green, and White Mountains. The course is marked with yellow triangles, supported by aid stations, and requires headlamps for longer distances. The event emphasizes environmental stewardship, community spirit, and inclusivity, with proceeds benefiting land conservation efforts. Visit the organization's website for the most recent information.

Race information

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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