15th IAAF World Athletics Championships Beijing 2015 - Day Six [Getty Images]

BEIJING, CHINA - AUGUST 27: Gold medalist Allyson Felix of the United States talks with Christine Ohuruogu of Great Britain after the Women's 400 metres Final during day six of the 15th IAAF World Athletics Championships Beijing 2015 at Beijing National Stadium on August 27, 2015 in Beijing, China. (Photo by Michael Steele/Getty Images)

Getty Images Sport Michael Steele