Achievements
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He won a silver medal in the K-1 10000 m event at the 1956 Summer Olympics in Melbourne. Hatlaczky also won five medals at the International Coach Federation Canoe Sprint World Championships with a gold (K-1 10000 m: 1954), three silvers (K-1 1000 m: 1958, K-1 4 x 500 m: 1954, 1958), and a bronze (K-1 1000 m: 1954).
