Career
He made his debut for Strømsgodset in 2001, having previously played for Liungen IF and NTG. He was also loaned to Manglerud Star in 2006. After the 2008 season, he was sold to Haugesund from Strømsgodset. On the 30th of August 2011 it became official that Sørum was leaving for the Swedish club Helsingborgs IF.
Sørum made his debut for the national team in a 1-1 friendly draw against Denmark on 15 January 2012.