BEIJING, CHINA - MAY 21: Justin Gatlin of the United States (C) races as Michael Rodgers of the United States (L) and Su Bingtian of China (R) followed before winning the Men's 100m during 2014 IAAF World Challenge Beijing at National Stadium on May 21, 2014 in Beijing, China. Beijing won the bid to host the 2015 IAAF World Championships in Athletics in 2010, and accordingly it will organize the world challenge games in 2013 and 2014 respectively. (Photo by Feng Li/Getty Images)
Getty Images

Getty Images Sport Feng Li