Usain Bolt is an athlete.
The 100 metres , or 100-metre dash , is a sprint race in track and field competitions . 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 . Usain Bolt . An eleven-time World Champion , he won consecutive World Championship 100 m , 200 m and 4 × 100 metres relay gold medals from 2009 to 2015 , with the exception of a 100 m false start in 2011 .