Career
Previously he played for Skála ÍF,, and ÍF Fuglafjørður. Thorleifsson has been capped for the Faroe Islands national football team at senior and junior level Thorleifsson begun his professional career with Skála ÍF in 2002.
Until 2006 he played in 68 matches and scored 7 goals with the club in the Faroe Islands Premier League.
In November 2005 he transferred to Following reports about leaving B36, he moved to rivals in the summer of 2009.
In January 2013 he moved to ÍF Fuglafjørður. In February 2014 Thorleifsson returned for a second spell in B36, after leaving the club in 2009.
Thorleifsson made his senior debut for the Faroe Islands in a 6–0 away defeat against Scotland, coming in as a substitute for Jónhard Frederiksberg.
Totally he has been capped 3 times for the Faroe Islands at senior level
