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GTA Challenge

Greenfield, United States • 16 Aug 2025

The GTA Challenge is a 10K trail race held in Greenfield, New Hampshire, organized by the Greenfield Trail Association to support local trail maintenance. The course features a mix of class 6 roads, double track, and single track trails with natural obstacles like rocks and roots, offering a challenging and scenic run. The event is timed using RFID chips and shares the initial 1.5 miles with a mountain bike race before diverging onto separate courses. Participants traveling from afar can camp nearby at Greenfield State Park, which offers a renovated campground and a lake for swimming, enhancing the event's outdoor experience. Visit the organization's website for the most recent information.

United States New Hampshire Greenfield

Race information

Registration
10 km
Age 20 Through 29
10 km
Age 60 +
10 km
Age Group 14 Through 19
10 km
Age Group 30 Through 39
10 km
Age Group 40 Through 49
10 km
Age Group 50 Through 59
Visit the organization's website for the most recent information.
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