[1] Both men and women compete in four events each defined by separate weight classes: flyweight, featherweight, middleweight and heavyweight.
[2] The competitions are conducted in accordance with the rules established by the World Taekwondo (WT).
Hadi Saei and Steven López, along with Huang Chih-hsiung of Chinese Taipei, are the only three athletes to have won medals in multiple weight classes.
[6][8] Rohullah Nikpai of Afghanistan became his country's first ever Olympic medalist with a bronze medal in 2008.
[9] South Korea has been the most successful nation in Olympic taekwondo, winning 22 medals (12 gold, 3 silver, 7 bronze).