| Personal information | |
|---|---|
| Nationality | |
| Born | 11 June 1992 Gyeonggi-do, South Korea |
| Height | 1.83 m (6 ft 0 in) |
| Weight | 83 kg (183 lb) |
| Korean name | |
| Hangul | 장규철 |
| RR | Jang Gyucheol |
| MR | Chang Kyuch'ŏl |
| Sport | |
| Sport | Swimming |
| Strokes | Butterfly |
| Club | Gyeonggi High School |
Medal record | |
Chang Gyu-cheol (Korean: 장규철; born June 11, 1992, in Gyeonggi-do) is a South Korean swimmer, who specialized in butterfly events. In 2010, Chang edged out South Africa's Chad le Clos by 0.18 of a second to claim a gold medal in the 100 m butterfly at the first ever Summer Youth Olympics in Singapore, posting his personal best of 53.13. He also won a silver medal, as a member of the South Korean swimming team, in the men's medley relay at the 2010 Asian Games in Guangzhou, China.
Chang qualified for the men's 100 m butterfly at the 2012 Summer Olympics in London, by eclipsing a FINA B-standard entry time of 52.45 seconds. He challenged seven other swimmers on the third heat, including five-time Olympian Peter Mankoč of Slovenia, freestyle relay champion Clement Lefert of France, and former Olympic finalist Ryan Pini of Papua New Guinea. Chang raced to fifth place by a hundredth of a second (0.01) behind Pini in a time of 52.69 seconds. Chang failed to advance into the semifinals, as he placed twenty-sixth overall in the preliminary heats.
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