Usian Bolt of Jamaica gestures ahead of the men's 200 meters heat during the IAAF World Championships on Tuesday at the Bird's Nest in Beijing. Photo: Cui Meng/GT
Usian Bolt of Jamaica gestures ahead of the men's 200 meters heat during the IAAF World Championships on Tuesday at the Bird's Nest in Beijing. Photo: Cui Meng/GT
Usian Bolt of Jamaica gestures ahead of the men's 200 meters heat during the IAAF World Championships on Tuesday at the Bird's Nest in Beijing. Photo: Cui Meng/GT
Usian Bolt of Jamaica competes in the men's 200 meters heat during the IAAF World Championships on Tuesday at the Bird's Nest in Beijing. Photo: Cui Meng/GT
Usian Bolt of Jamaica competes in the men's 200 meters heat during the IAAF World Championships on Tuesday at the Bird's Nest in Beijing. Photo: Cui Meng/GT
Justin Gatlin of the US competes in the men's 200 meters heat during the IAAF World Championships on Tuesday at the Bird's Nest in Beijing. Photo: Cui Meng/GT