Achievements At the 1936 Summer Olympics in Berlin, he won the gold medal in the K-1 1000 metre competition as well as in the folding K-1 10000 metres event. He is only one of two Austrians ever who won two Olympic gold medals in the same Summer Olympic Games (the other is Julius Lenhart). Hradetzky also won a bronze in the K-1 1000 m event at the 1938 International Coach Federation Canoe Sprint World Championships in Vaxholm.