LONDON, ENGLAND - AUGUST 04: Jessica Ennis of Great Britain competes in the Women's Heptathlon Long Jump on Day 8 of the London 2012 Olympic Games at Olympic Stadium on August 4, 2012 in London, England. (Photo by Ian Walton/Getty Images)
LONDON, ENGLAND - AUGUST 04: Rusheen McDonald of Jamaica, Luguelin Santos of Dominican Republic, Oscar Pistorius of South Africa and Maksim Dyldin of Russia compete in the Men's 400m Round 1 Heats on Day 8 of the London 2012 Olympic Games at Olympic Stadium on August 4, 2012 in London, England. (Photo by Ian Walton/Getty Images)
ZURICH, SWITZERLAND - AUGUST 13: Mo Farah of Great Britain and Northern Ireland celebrates victory in the Men's 10,000 metres final during day two of the 22nd European Athletics Championships at Stadium Letzigrund on August 13, 2014 in Zurich, Switzerland. (Photo by Ian Walton/Getty Images)