This is a part of the Nendaz Petit Trailrun, which is originally 30k, it skips an extra round uphill in Sivies.

The track is still 22k and 1050 meters uphill, with some steep climbs and challenging downhill tracks.

Starts on the main square in Nendaz,. The first part is mainly uphill from 1350 meters to 2300 meters, then you run down to Siviez and then back to Nendaz along the bisses.