 In 1923, the 15-year-old Charlton swam for the first time against Beaurepaire, who had won 35 Australian championships and had set 15 world records in his career.The Manly Baths was filled to capacity for the 440 yd race, with Charlton winning the race by two yards in a time of 5m 20.4s, which led to Beaurepaire predicting that fitness permitting, Charlton would break world records in 1924.The start of 1924 in Australia was highlighted by the arrival of Swedish swimmer Arne Borg, at the time the holder of four world records, to compete against the 16-year-old Charlton in the 440yd freestyle at the New South Wales Championships.