 At the 1908 Summer Olympics he won a silver medal in the regular javelin throw, a bronze medal in freestyle and finished fifth in shot put.At the 1912 Summer Olympics he finished seventh in the regular javelin throw and fifth in the two-handed javelin throw.He became Norwegian champion in javelin throw in 1905–1907 and 1909 and in shot put in 1906–1907 and 1909.