Jamaica’s Usain Bolt, center, won his 100-meter heat in 10.07 and is looking for three gold medals in a row.
Jamaica’s Usain Bolt, center, won his 100-meter heat in 10.07 and is looking for three gold medals in a row. David J. Phillip AP
Jamaica’s Usain Bolt, center, won his 100-meter heat in 10.07 and is looking for three gold medals in a row. David J. Phillip AP