Ready. Set. Go.

Richard Thompson of Trinidad and Tobago, Asafa Powell of Jamaica, Tyson Gay of the United States, Yohan Blake of Jamaica, Justin Gatlin of the United States, Usain Bolt of Jamaica, Ryan Bailey of the United States and Churandy Martina of the Netherlands start out of the blocks during the Men's 100m Final on Day 9 of the London 2012 Olympic Games at the Olympic Stadium on August 5, 2012 in London, England.

( John Stillwell, WPA Pool/Getty Images )

Richard Thompson of Trinidad and Tobago, Asafa Powell of Jamaica, Tyson Gay of the United States, Yohan Blake of Jamaica, Justin Gatlin of the United States, Usain Bolt of Jamaica, Ryan Bailey of the United States and Churandy Martina of the Netherlands start out of the blocks during the Men's 100m Final on Day 9 of the London 2012 Olympic Games at the Olympic Stadium on August 5, 2012 in London, England.

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