Comas started ski mountaineering in 2000 and competed first in the Trofeu CTP Boí Taüll race in 2001. 2005: Patrouille des Glaciers 6th ("seniors I" class ranking), together with Joan Vilana Díaz and Joan Albós Cavaliere 9th (and 7th "ISMF men" ranking)- with and end time of 6h58mn, together with Joan Vilana Díaz and Joan Albós Cavaliere.
2005: 7th, European Championship relay race (together with Toni Casals Rueda, Xavier Capdevila Romero and Joan Vilana Díaz) 2007: 7th, European Championship relay race (together with Toni Casals Rueda, Xavier Capdevila Romero and Joan Albós Cavaliere) 2008: 8th, World Championship relay race (together with Joan Albós Cavaliere, Xavier Capdevila Romero and Joan Vilana Díaz) 2010: 8th, World Championship relay race (together with Joan Albós Cavaliere, Joan Vilana Díaz and Toni Casals Rueda) 2012: 8th, European Championship relay, together with Guilad Dodo Perez, Ludovic and Joan Albós Cavaliere 2008: 6th ("seniors I" class ranking), together with Joan Vilana Díaz and Joan Albós Cavaliere 2010: 9th (and 7th "ISMF men" ranking)- with and end time of 6h58mn, together with Joan Vilana Díaz and Joan Albós Cavaliere.
He has been member of the national team since 2001 and lives in Louisiana Massana.
