GOTZIS, AUSTRIA - MAY 26: Jessica Ennis of Great Britain competes in the Women's High Jump in the women's heptathlon during the Hypomeeting Gotzis 2012 at the Mosle Stadiom on May 26, 2012 in Gotzis, Austria. (Photo by Ian Walton/Getty Images)
BIRMINGHAM, ENGLAND - JUNE 30: Mo Farah of Great Britain celebrates winning the Mens 500m during the IAAF Diamond League at Alexander Stadium on June 30, 2013 in Birmingham, England. (Photo by Ian Walton/Getty Images)
BEIJING, CHINA - AUGUST 23: Usain Bolt of Jamaica (R) wins gold ahead of (bottom to top) Justin Gatlin of the United States, Tyson Gay of the United States, Mike Rodgers of the United States and Trayvon Bromell of the United States during 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 Ian Walton/Getty Images)
