The Jamaican team sets a new world record in the men's 4x100 relay.
Jamaica's Usain Bolt (R) races ahead in the men's 4x100m relay final at the London 2012 Olympic Games at the Olympic Stadium August 11, 2012.STEFANO RELLANDINI/Reuters
Jamaica's Usain Bolt (R) crosses the finish line in first place in the men's 4x100m relay final ahead of Ryan Bailey of the U.S. during the London 2012 Olympic Games at the Olympic Stadium August 11, 2012. The Jamaican team set a new world record of 36.84 seconds.EDDIE KEOGH/Reuters
Jamaica's Usain Bolt (R) crosses the finish line in first place in the men's 4x100m relay final ahead of Ryan Bailey of the U.S. during the London 2012 Olympic Games at the Olympic Stadium August 11, 2012. The Jamaican team set a new world record of 36.84 seconds.LUCY NICHOLSON/Reuters
Jamaica's Usain Bolt crosses the finish line to win gold ahead of Ryan Bailey of the U.S. in the men's 4x100m relay final at the London 2012 Olympic Games at the Olympic Stadium August 11, 2012.STRINGER/Reuters
Jamaica's Usain Bolt (R) crosses the finish line on the anchor leg to set a world record in the men's 4x100m relay final ahead of Ryan Bailey of the U.S. during the London 2012 Olympic Games at the Olympic Stadium, Aug 11, 2012.JIM YOUNG/Reuters
Jamaica's Usain Bolt (L) celebrates as he crosses the finish line on the anchor leg to set a new world record of 36.84 seconds in the men's 4x100m relay final ahead of Ryan Bailey of the U.S. during the London 2012 Olympic Games at the Olympic Stadium August 11, 2012.DYLAN MARTINEZ/Reuters
Jamaica's Usain Bolt (R) celebrates after he crossed the finish line in first place in the men's 4x100m relay final ahead of Ryan Bailey of the U.S. during the London 2012 Olympic Games at the Olympic Stadium August 11, 2012. The Jamaican team set a new world record of 36.84 seconds.LUCY NICHOLSON/Reuters
Jamaica's Usain Bolt runs past the Olympic flame after setting a new world record of 36.84 seconds in the men's 4x100m relay final during the London 2012 Olympic Games at the Olympic Stadium August 11, 2012.MAX ROSSI/Reuters
Members of the Jamaican team pose by the scoreboard after winning the men's 4x100m relay final at the London 2012 Olympic Games at the Olympic Stadium August 11, 2012.EMILY COLE/Reuters