EIDFJORD, NORWAY - FEBRUARY 27: Athletes skiing trough the night during Expedition Amundsen on February 27, 2016 in Eidfjord, Norway. Expedition Amundsen is called the world`s hardest skirace. 40km across the Hardangervidda, 40kg in the sled and 100km. The race follows the path of the explorer Roald Amundsen. (Photo by Kai-Otto Melau/Getty Images)
