Mezue ahịrịokwu na-esonụ: Ihe mbụ Kipyego mere n'ụwa niile bụ mgbe ọ dị obere na 2005 IAAF World Cross Country Championships, ebe o weere ọlaọcha ọla ọcha na agbụrụ ndị na-eto eto iji mepụta ndị Kenya na-ekpochapụ ihe nrite, n'akụkụ Augustine Choge na Barnabas Kosgei. Na 2007 World Cross Country Championships ọ meriri ọla nchara na agba ndị okenye, ebe ndị otu Kenya nke ọ bụ akụkụ meriri asọmpi otu. N'ime
N'afọ 2008, ọ bịara nke iri n'otu n'otu, ma merie ọla edo ọzọ. Ọ sonyekwara na 2008 IAAF World Athletics Final n'afọ ahụ, na-ewere ọnọdụ nke asatọ na 5000 mita na egwu.