He was born in Grue, Norway.
Haakonsen shared the Holmenkollen medal with Einar Lindboe in 1927. Haakonsen finished fifth in 18 km cross country event at the 1928 Winter Olympics as well as at the 1929 FIS Nordic World Ski Championships. He was the first true cross country skier to win the Holmenkollen medal.
- Hagbart Haakonsen at the International Ski Federation
- Holmenkollen medalists - click Holmenkollmedaljen for downloadable pdf file (Norwegian)
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