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9.58 seconds... three numbers that will ever be associated with eight time Olympic gold medalist Usain Bolt.

On 16th August 2009, the Jamaican broke his own 100 metre world record at the Olympic Stadium in Berlin.

Sportsworld hears from Antigua and Barbuda sprinter Daniel Bailey who witnessed Bolt break the record and who competed in the race himself.

Photo: Usain Bolt celebrates winning the gold medal and breaking the World Record in Berlin (Getty Images)