Usain Bolt is an athlete.
The 11th World Championships in Athletics , under the auspices of the International Association of Athletics Federations ( IAAF ) , were held at Nagai Stadium in Osaka , Japan from 24 August to 2 September 2007 . The men 's 100 metres at the 2015 World Championships in Athletics was held at the Beijing National Stadium on 22 and 23 August . Usain Bolt . An eight-time Olympic gold medalist , Bolt won the 100 m , 200 m and 4 × 100 m relay at three consecutive Olympic Games , although he subsequently lost one of the gold medals ( as well as the world record set therein ) nine years after the fact due to teammate Nesta Carter 's disqualification for doping offences .