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BEIJING, CHINA - AUGUST 23: Trayvon Bromell of the United States celebrates after winning bronze in the Men's 100 metres final during day two of the 15th IAAF World Athletics Championships Beijing 2015 at Beijing National Stadium on August 23, 2015 in Beijing, China. (Photo by Cameron Spencer/Getty Images)

BEIJING, CHINA - AUGUST 23:  Trayvon Bromell of the United States celebrates after winning bronze in the Men's 100 metres final during day two of the 15th IAAF World Athletics Championships Beijing 2015 at Beijing National Stadium on August 23, 2015 in Beijing, China.  (Photo by Cameron Spencer/Getty Images)