RIO DE JANEIRO, BRAZIL - AUGUST 17:  Kemoy Campbell of Jamaica, Hagos Gebrhiwet of Ethiopia and Mohamed Farah of Great Britain lead the pack in the Men's 5000m Round 1 on Day 12 of the Rio 2016 Olympic Games at the Olympic Stadium on August 17, 2016 in Rio de Janeiro, Brazil.  (Photo by Shaun Botterill/Getty Images)