ATHLETICS WORLD CHAMPIONSHIPS Venue: Olympic Stadium, Berlin Date: 15-23 August Coverage: Watch the action live and highlights on BBC Two, BBC HD, Red Button, Radio 5 live and the BBC Sport website (video for UK users only)
Full BBC coverage details
Replay - Record-breaking Bolt wins 100m gold
Triple Olympic champion Usain Bolt is targeting the 9.4 second barrier for the 100m after setting a new world record at the World Championships.
The 22-year-old recorded a time of 9.58 seconds as he raced to a sensational victory in Berlin on Sunday.
Bolt shaved 0.11 off the time he set at the 2008 Olympics in Beijing.
"I think it will stop at 9.4 but you never know," said the Jamaican. "I don't run for world records. I'll just keep on working."
American Tyson Gay finished second in a time of 9.71, with Jamaica's Asafa Powell claiming bronze in 9.84.
"The aim was just to come and execute because it was going to be a tough race," added Bolt, who will also compete in the 200m.
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