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Bolt thunders to 100m gold - full replay

London 2012 - Jamaican sprint superstar Usain Bolt defends his 100m title at the Olympic Stadium. Despite a sluggish start, he picked up in the middle of the race to power home in an Olympic record of 9.63 - the second-fastest time ever - with Yohan Blake second in a personal best-equalling 9.75. Watch the race in full now.

Bolt thunders to 100m gold - full replay

London 2012 - Jamaican sprint superstar Usain Bolt defends his 100m title at the Olympic Stadium. Despite a sluggish start, he picked up in the middle of the race to power home in an Olympic record of 9.63 - the second-fastest time ever - with Yohan Blake second in a personal best-equalling 9.75. Watch the race in full now.