(L-R) Kenya's Silas Kiplagat, USA's Leonel Manzano, Turkey's Ilham Tanui Ozbilen, Belgium's Pieter-Jan Hannes and Kenya's Asbel Kiprop compete in a semi-final 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 28, 2015.  AFP PHOTO / OLIVIER MORIN        (Photo credit should read OLIVIER MORIN/AFP/Getty Images)