Career
Quaglia played for the France men"s national ice hockey team at the 1920 Summer Olympics in Antwerp, the 1924 Winter Olympics in Chamonix, and the 1928 Winter Olympics in Saint Moritz. He was inducted into the French Ice Hockey Hall of Fame in 2010. Quaglia also competed as a speed skater at the Winter Olympics in 1924 and 1928, with the best result of sixth place all-around in 1924.
The Trophée Léon Quaglia, a short-track speed skating event, is held annually in Chamonix in his honour.