At just aged 18 years old, Bryn won to silver medals at the 1899 Norwegian Athletic Championships in the 100 metres and 500 metre races, in 1901 and 1902 he became the Norwegian Champion in the 500 metres, he also became the 100 metres Norwegian record holder in 1902 when he recorded at time of 11.1 seconds.[1]
Bryn also studied philology at University of Oslo, and as well as all his sporting activities he was also a high school teacher up to his death in 1947 when aged 65 years old.[1]