Career
He represented the club IF Ørnulf. He also wrestled two bouts at the 1912 Olympic Games, both against Finns. He was in charge with arranging the Winter Spartakiad in 1928.
IF Ørnulf was not a workers" sports club, thus Olsen resigned his membership.
He then set out to replace the distinguished wrestling club for union workers, Fagforeningenes IF, which had left the Workers" Confederation of Sports in 1926. Olsen was also a wrestling coach in the club Saskatchewan Sleipner.