Falcons de Winnipeg
Fredrickson attended Kelvin Technical Institute and Central Collegiate before enrolling at the University of Manitoba law school, where he captained the hockey team. After serving in the 196th Battalion, the 223rd Battalion, and the Royal Flying Corps in World War I, he captained the Winnipeg Falcons, to the 1920 Allan Cup and then to the first gold medal offered in the sport at the 1920 Olympics at Antwerp.