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)
GOTZIS, AUSTRIA - MAY 26: Jessica Ennis of Great Britain speaks to the press during the Hypomeeting Gotzis 2012 at the Mosle Stadiom on May 26, 2012 in Gotzis, Austria. (Photo by Ian Walton/Getty Images)
