The race is a double out-and-back covering a distance of 26.4 mi. The course is simply a 13-mi-long, northern section of the Nipmuck Trail, which is one of the Blue-Blazed trails managed by the Connecticut Forest and Park Association. The start line, and middle point, is located at Perry Hill Rd in Ashford. The course runs south for 6.2 mi until reaching Rt 44, then back to the start, then north for 7 mi until reaching Boston Hollow Rd, and finally back to the finish/start line at Perry Hill Rd.