| Personal information | ||||||||||||||||||||||||||||||||||||
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| Full name | Ian Lovett O'Brien | |||||||||||||||||||||||||||||||||||
| National team |  Australia | |||||||||||||||||||||||||||||||||||
| Born | 3 March 1947 Wellington, New South Wales, Australia | |||||||||||||||||||||||||||||||||||
| Height | 185 cm (6 ft 1 in) | |||||||||||||||||||||||||||||||||||
| Weight | 89 kg (196 lb) | |||||||||||||||||||||||||||||||||||
| Sport | ||||||||||||||||||||||||||||||||||||
| Sport | Swimming | |||||||||||||||||||||||||||||||||||
| Strokes | Breaststroke | |||||||||||||||||||||||||||||||||||
Medal record
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Ian Lovett O'Brien (born 3 March 1947) is an Australian breaststroke swimmer of the 1960s who won the 200 metre breaststroke at the 1964 Summer Olympics in Tokyo in world record time. He won five Commonwealth Games gold medals and claimed a total of nine individual and six relay titles at the Australian Championships, before retiring at the age of 21 due to financial pressures.
After showing promise at an early age, O'Brien was sent to Sydney to train under renowned coach Forbes Carlile and his breaststroke assistant Terry Gathercole. He competed in his first national championships in 1962 at the age of 15, winning the 220 yard breaststroke to gain selection for the 1962 British Empire and Commonwealth Games in Perth, where he won both the 110 and 220 yd (200 m) breaststroke and the 4 × 110 yd medley relay.
He won both breaststroke events at the 1963 Australian Championships, repeating the feat for the next three years. In 1964, O'Brien went to the Tokyo Olympics and came from third at the 150 m mark to win the gold medal. He added a bronze in the medley relay. O'Brien successfully defended both his breaststroke titles at the 1966 British Empire and Commonwealth Games in Kingston, Jamaica before retiring to support his family. Swimming officials persuaded him to make a comeback for the 1968 Summer Olympics in Mexico City, as Australia did not have a breaststroker, and after a crash diet, he finished sixth in the 100 m event but failed to reach the final in the 200 m event. He then retired and went into the television industry.