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| Duncan Mahlangu | |
| Fullname: | Duncan Mahlangu |
| Birth Date: | 8 August 1983 |
| Birth Place: | Pretoria, South Africa |
| Weight: | 680NaN0 |
| Sport: | Taekwondo |
| Event: | 68 kg |
| Show-Medals: | yes |
Duncan Mahlangu (born August 8, 1983 in Pretoria) is a South African taekwondo practitioner, who competed in the men's featherweight category.[1] He captured a silver medal in the 68-kg class at the 2003 World Olympic Qualification Tournament in Paris, France, and later represented his nation South Africa at the 2004 Summer Olympics.[2]
Mahlangu qualified as a lone taekwondo fighter for the South African squad in the men's featherweight class (68 kg) at the 2004 Summer Olympics in Athens, by placing second behind South Korea's Lee Won-jae and granting a berth from the World Olympic Qualifying Tournament in Paris, France.[2] [3] [4] He failed to move beyond the opening round in a 7–11 defeat to Guatemalan taekwondo fighter and two-time Olympian Gabriel Sagastume. With his opponent losing the semifinal to Chinese Taipei's Huang Chih-hsiung, Mahlangu denied his chance to compete for the Olympic bronze medal through the repechage rounds.[5] [6] [7]