Career
As a football player he played as a midfielder and defender from 1991 until 2002, notably played for Molde FK and Grimsby Town. He also played for Sandefjord, Stokke Illinois, Eik-Tønsberg
Fostervold started his career in Rival, and then played in Vestfold for Sandefjord, Stokke Illinois and Eik-Tønsberg. He returned to his hometown in 1994 when he started to play for Molde FK. Fostervold played 172 matches for Molde from 1994 to 2002 as a centre-back and scored 13 goals.
He also captained the team for four years.
Fostervold joined Grimsby Town on loan during the 2000-2001 season, after manager Lennie Lawrence brought in several foreign imports on a loan basis. Fostervold is well known for a dive he took while playing for Molde in the match against Stabæk on 18 September 1999.
After being hit in the face by Pétur Marteinsson, Fostervold waited for a few seconds before throwing himself to the ground, clutching his face in an attempt to attract the referee"s attention. Footage of the dive has become popular on video sharing platforms.
John Carew parodied the dive in celebration after scoring a goal in another match.
He retired from football due to injury in 2003, and now competes in cycling. In 2006 and 2007 he represented Norway in the world championship time trial (placing 43rd and 51st respectively).