The Jamaican sprinter Usain Bolt admitted today that he had been suffering from a "stiff back and hamstring problems" but insisted he would be ready to compete in the 100m race at the Olympic Games.
At a press conference in London he said: "My main aim is to become a legend".
Jamaican sprinter Usain Bolt may have broken three world records, but he trails behind some of nature's top athletes.
At the Olympic Park hopes of British success are high. But you don't have to think back too far to remember it wasn't always like this.
ITV News has been given exclusive behind-the-scenes access to the man behind the Olympic Games, Seb Coe.