RIO DE JANEIRO, BRAZIL - AUGUST 18:  Nicholas Willis of New Zealand, Taoufik Makhloufi of Algeria, Abdalaati Iguider of Morocco Asbel Kiprop of Kenya and Charlie Grice of Great Britain compete in the Men's 1500m Semifinal on Day 13 of the Rio 2016 Olympic Games at the Olympic Stadium on August 18, 2016 in Rio de Janeiro, Brazil.  (Photo by Ezra Shaw/Getty Images)