The 50k course is a multiple loop course. The 1/2 marathon course is one loop of Terrapin Mtn. All runners start together and proceed to Camping Gap (4.1 miles); 1/2 marathon runners turn right and complete loop of Terrapin Mtn; 50k runners turn left and complete White Oak Ridge Loop. Upon returning to Camping Gap, 50k runners complete Terrapin Mtn. loop.