Check out our selection of the best images from the ultimate ski touring challenge, Atomic Waymaker.
Despite difficult weather conditions, eight ambitious teams breathed life into a concept which is both inspiring and which celebrates the versatility of the sport. Pictured above are the Preber Team.
The United States of Canada were ultimately the winning team in Atomic Waymaker 2013.
The Ski Touring Challenge ran from Bad Mitterndorf to Lake Gosau via the Dachstein and as you can see the terrain is not for the feint-hearted.
The judges assessed all aspects of performance together with each expert also contributing specific know-how in a particular area:
Beat Kammerlander, alpine all-rounder and one of the world's best sports climbers, concentrated on the mountaineering challenges.
Team Weride, which comprised Roland Seereiner, Florian Heel and Jochen Becker are pictured in action.
The Team Kilians Choice trio were Kilian Jornet, Richard Zinthauer and
The Preber Team of Austrians Andreas Tockner, Johann Wieland and Bernhard Bauer make progress in the snow.
The Preber Team looking weary.
The intriguingly named Kufsteiner Kaiser Schitourer Team of Stefan Moser, Thomas Koller, Hubert Resch (all Austria) tackle this obstacle.
But Team Preber are not to be denied as they reach the summit.
It's not all muscle fatiguing pain at the Atomic Waymaker. There's a bit of James Bond-style ski fun to be had too.
Reiner Thoni (Canada), Mark Smiley (USA) and Andrew McNab (Canada) celebrate their victory as the United States of Canada.
Kilian Jornet of Team Kilians Choice looks all set to go.