Bernard Dutoit was a top player for the Club Athlétique de Genève basketball team in the late 1940s, making his first national team appearance in 1947. The next year, he was the only member of his club team to be selected to travel to the London Olympics with the Swiss team, which finished in 21st place. There, Dutoit played in all of their seven matches, registering 17 points. In 1951, he was a member of the Swiss team that played at the EuroBasket tournament in Paris, with the Swiss team finishing 13th in the final standings.