Career He competed at the 1912 Summer Olympics held in Stockholm in the 100 m, 200 m and 4 × 100 m relay.
Achievements He won a silver medal in the relay, and failed to reach the final in his individual events. Nationally Möller won eleven Swedish titles: in the 200 m in 1911, in the 110 m hurdles in 1910-1912, in high jump in 1909 (twice), and in the 4 × 100 m relay in 1907 and 1909–1912.