Arnason was a three-time CAA Swimmer of the Year and four-time All-CAA honoree. He became the first ODU swimmer to qualify for the NCAA Championships in 2009.
Two-time Olympic Swimmer (2008 & 2012) & Two-Time NCAA Qualifier (2009 & 2012)-50 Free
Two-Time CAA Championships Most Outstanding Swimmer 2011 & 2012
Three-Time CAA Male Swimmer of the Year (2009,11 & 12); 4-time All-CAA Selection
Won 2012 CAA titles in 100 & 200 breast & 200 IM (All-CAA record times) & 400 Medley relay
His 2012 CAA Championship 100 Breaststroke time (CAA & ODU Record) 53.02 -Ranked 11th nationally
Won 2011 CAA titles in 100, 200 breast & 200 IM (4-time ODU team MVP)
Won CAA titles in 200 breaststroke four-straight years/100 breaststroke three times/200 IM twice)
Won 2009 CAA titles in 50 free, 100 & 200 breaststroke/ 2010 CAA champion in 200 breaststroke
As a freshman, first ODU swimmer to qualify to NCAA Div. I Championships in 2008-09
Placed 25th in the 100 breaststroke at 2008-009 NCAA Championships as freshman
Also qualified in the 50 free and 200 breaststroke in 2008-09 NCAA Championships
1st ODU swimmer named CAA Swimmer of the Year & Rookie of the Year in same year (2008-09)
2008 Olympic Swimmer for Iceland in Beijing in 50 free (Icelandic Record holder)
2012 Olympic Swimmer for Iceland in England in 50 free
Major: graduated Civil engineering