Career
Dørum played for FK Ørn Horten for fifteen seasons between 1945 and 1966, except for a hiatus of six seasons from 1950 because of illness. He scored 250 goals in 150 official games, and became top goalscorer in the Norwegian Main League 1949-1950 with twelve goals. Outside sport he worked at Karljohansverns Verft.
He died in December 2014.