At the
1960 Summer Olympics, he finished ninth in the 1,500 m final in 3:45.0 minutes. He also competed at the
1958 European Championships without reaching the final. He became Norwegian champion in
800 m in 1960 and 1961 and in 1500 m in the years 1955–1956, 1959–1961, and 1963. He represented the
Centre Party for eight years in
Ytrebygda borough council, and chaired Bergen Sports Council from 1997 to 1998. Hamarsland died on 10 April 2025, at the age of 91. ==Personal bests==