Kammala wannan jumla: A shekarar 2015, Korir ya yi gasa a gasar
2015 Gasar Cin Kofin Duniya ta IAAF. Ya taimaka wa ƙungiyar Bahraini ta zo ta 3 a cikin tseren tseren maza na maza, yana sanya 4 a kan ƙungiyar kuma 18 gaba ɗaya a cikin lokaci na 36:27.