Jamaica's Usain Bolt crosses the finish line ahead of Ryan Bailey of the U.S. (2nd L), Justin Gatlin of the U.S. (2nd R) and Jamaica's Yohan Blake (R) to win the men's 100m final during the London 2012 Olympic Games at the Olympic Stadium in this August 5, 2012 file photograph. To match OLY-END-BOLT-2012.