Retezat Marathon is a circuit-type mountain race, on the tourist trails of the Retezat National Park, with the start and finish in the Râușor resort, Râu de Mori commune. The highest points to be reached are on the vf. Retezat (2485m) and on the summit. Peleaga (2509), if the general conditions allow it. The race route includes high alpine regions, where participants must have mountain experience, have no problems with balance, be able to walk safely on the trails. The trails are ungroomed and unprotected in places, marked and unmarked paths, steep slopes and rugged areas are used.