Spectacular peaks, breathtaking mountain ridges, unforgettable valley views and challenging routes. The Rheinquelle Trail is one of the most beautiful and challenging trail running events in Switzerland. On Saturday, 8 July, the run is on from Sedrun to the source of the Rhine and back. In addition to the classic 42.2km route with 3,000 metres of altitude change, there is also a short distance trail and a kids’ trail.