He played for 20 seasons in the Icelandic Úrvalsdeild[1][2] and is its highest scoring player of all time.

[4] Valur was a player-coach for Odense BK from 1995 to 1998 and helped the club achieve promotion up two levels in two seasons and to the Danish top-tier league in 1997.

[7] Valur is the second most capped player in the national team history, playing 164 games between 1980 and 1995.

[8][4] In 2001 Valur was voted to the Icelandic team of the 20th century in basketball as a player.

[9] Valur is the older brother of Sigurður Ingimundarson,[10] the winningest coach in Icelandic basketball history,[11] and the father of basketball player Valur Orri Valsson.