Achievements He won a silver medal in the K-2 10000 m event at the 1956 Summer Olympics in Melbourne. Briel also won four medals at the International Coach Federation Canoe Sprint World Championships with three golds (K-1 1000 m: 1958, K-1 10000 m: 1963, K-1 4 x 500 m: 1958) and one bronze (K-1 10000 m: 1966).