trail running in the swiss mountains. run in a breathtaking environment. trail run on narrow paths. trailrun, running

active athlete background climbing countryside crosscountry exercise fit fitness forest freedom health healthy hike hiking hill jogger jogging klosters landscape lifestyle mountain mountaineering muscular nature outdoor outdoors outoor panorama peak people run runner runners skyrunning sport sporty summer sun sunny sunshine trail trailrun trailrunning training travel wanderlust workout