Olympic Taekwondo2012Women's -57kg, Men's -68kgBBC Sport Duration: 4 hours, 15 minutesWomen's -57kg Preliminary Rounds and Men's -68kg Preliminary RoundsGenresSportOlympicsSportTaekwondoBrandOlympic TaekwondoSeriesOlympic Taekwondo: 2012 Source: BBC Online