It wasn't his first Olympics, but Beijing 2008 was when Usain Bolt made his mark. With a new World Record, the Jamaican sprinting star began his Olympic legacy. Find out more of this fascinating story. Subscribe to the official Olympic channel here: http://bit.ly/1dn6AV5 Visit the Olympic Channel, where the Games never end: http://www.olympicchannel.com
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Duration: 4m 33s
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