Ye Shiwen is a Chinese swimmer. At the 2012 Summer Olympics, she won gold medals in the 400 metres and 200 metres individual medley, setting the world record in the 400m event and the Olympic record in the 200m event. In the Women's 400m individual medley at the 2010 Asian Games, Ye Shiwen, aged 14, swam 4:33.79. She swam 2.09.37 in the 200m IM, the fastest time in the world for that year. At the 2012 Summer Olympics, in the third heat of the Women's 400m Individual Medley she swam 4:31.73, an improvement of 2 seconds over her previous best time at the 2010 Asian Games. In the final she won the gold medal and broke the world record with a time of 4:28.43, an improvement of a further 3 seconds. In the 200m Individual Medley final on 31 July 2012, Ye was in third place at the start of the final leg of the race. But she again overtook her competitors in the freestyle leg, winning the gold medal with the time 2:07.57, a new Olympic record.