Usain Bolt will look to defend his 100 metres title at the World Championships in London this weekend as he starts the countdown to retirement, which also includes a 4x100m relay.
Bolt has dominated sprinting since taking double individual gold at the Beijing Olympics in 2008, going on to win a further six Olympic golds and also picking up 11 world titles.
He also holds world records of 9.58 and 19.19sec in the 100 and 200m, both set when winning at the 2009 Berlin worlds.
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9.58 sec - Bolt's 100m world record set at the 2009 World Championships in Berlin.
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19.19 sec - Broke the 200m record in the same championships.
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36.84 sec - Holds a complete set of sprint world records after Jamaica's relay win at London 2012.
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27.79mph - Bolt's fastest recorded speed measured from his time of 1.61 seconds for the 60-to-80m split in his 100m run in Berlin.
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8 - Olympic gold medals. He lost another from the 4x100m relay at Beijing 2008 when Nesta Carter failed a drugs test.
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11 - World championship gold medals.
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6 - He has been named IAAF Male Athlete of the Year six times.
