23 July 1984|
|Height||1.91 m (6 ft 3 in)|
|Playing position||Left back|
|Saint-Raphaël Var Handball|
Arnór was the top scorer for Iceland and fourth overall in the 2010 Handball European Championship, with 39 goals out of 66 shots (59%), behind Nikola Karabatic who had 40 goals out of 73 shots (55%). He was also the highest assister with 27 assists out of 8 games, with Nikola Karabatić behind with 25, Ivano Balić and Filip Jícha tied third with 24, however Jícha played two matches less games.
Arnór also had the second highest goals plus assists, with 66 goals created in 8 matches, behind Jícha with 77 out of 6 matches.