Night 1 Colchuck Lake - Mile 4.3 (4.3 miles 2,200 ft. Gain) Night 2 Nada Lake - Mile 12.3 (8 Miles - 2200 ft. Climb in 1 mile to start, then 2800 ft. loss in 6 miles) Finish Mile 18 (5.7 Miles - 3650 ft. Loss, all downhill)