2020, Alpes, Alpes grées, Alpes occidentales, Argentière 1244m, Chamonix 1035m, Col de Posettes 1997m, France, Haute-Savoie, Massif du Mont-Blanc, Montroc 1365m, Printemps, Stage Trail, Stage trail-running, Trail running, Vallorcine 1270m, Vallée de Chamonix