Gold medallists Mo Farah of UK and Usain Bolt of Jamaica pose on the podium on Day 15 of the London 2012 Olympic Games at Olympic Stadium.
Usain Bolt Wins Olympic 100m Gold - London 2012 Olympics
2008 Beijing Summer Olympics - Usain Bolt's legs put on just as much of a show at the 2008 Olympics as his ego. His salute after the 4x100-metre relay is the image of his career.
Usain Bolt uses a photographers' camera as he reacts after victory in the men's 200m final
Usain Bolt wins Olympics 100m final at London 2012 in 9.63 seconds
Athletics Men's 100m Final Full Replay - London 2012 Olympic Games - Usain Bolt - what a line up of fineness
Usain Bolt of Jamaica receives the relay baton from Yohan Blake of Jamaica next to Ryan Bailey of the United States during the Men's 4 x 100m Relay Final on Day 15 of the London 2012 Olympic Games at Olympic Stadium.
Usain Bolt races to victory in the men's 100-meter final. (Getty Images)
BBC Sport - Usain Bolt wins Olympics 100m final at London 2012