(L-R) New Zealand's Nicholas Willis, Kenya's Timothy Cheruiyot, Morocco's Abdalaati Iguider and Turkey's Ilham Tanui Ozbilen compete in a heat of the men's 1500 metres athletics event at the 2015 IAAF World Championships at the "Bird's Nest" National Stadium in Beijing on August 27, 2015. AFP PHOTO / GREG BAKER        (Photo credit should read GREG BAKER/AFP/Getty Images)