He was national champion in cross-country skiing (15 kilometres) in 1961. He placed fourth in the same event at the Nordic World Ski Championships 1962, and also participated in the 1960 and 1964 Winter Olympics. In 1960 he placed sixteenth in the 30 km event, while in 1964 he placed eighth in the 15 km event and fourth in the 4 × 10 km relay event. Teammates in the latter event were Erling Steineide, Einar Østby and Harald Grønningen. Lundemo later coached the Norwegian national cross-country skiing team from 1978 to 1984.