Fasser started ski mountaineering in 1995 and competed first in the 2001 Biberwierer Tourenlauf. Ski mountaineering 2005: = Patrouille des Glaciers 8th ("ISMF men" class ranking), together with Wolfgang Klocker and Markus Stock Mountain biking.
2005: 1st: Sellrain Valley marathon 2006: 1st, Tyrolian Championship 2007: 1st, Hochgrat ski rallye 2nd, Jennerstier 3rd, Tre Cime Alpin Maratona 5th, Austrian Championship 2009: 4th, European Championship relay race (together with Johann Wieland, Martin Bader and Wolfgang Klocker) 2010: 5th, World Championship relay race (together with Jakob Herrmann, Markus Stock and Wolfgang Klocker) 2011: 5th, World Championship relay, together with Markus Stock, Daniel Rohringer and Jakob Herrmann 7th, World Championship team race (together with Jakob Herrmann) 2012: 7th, European Championship vertical race 7th, European Championship relay, together with Martin Weißkopf, Martin Islitzer and Markus Stock 2nd, Hochgrat ski rallye = Patrouille des Glaciers = 2010: 8th ("ISMF men" class ranking), together with Wolfgang Klocker and Markus Stock 2006: 1st, Tyrolian Championship.
He has been member of the ASKIMO national team since 2008 and lives in Lermoos.
