Buuxi weedha soo socota: Kipyego ayaa markii ugu horreysay heer caalami ah ka gaadhay markii uu yaraa ee 2005 IAAF World Cross Country Championships, halkaas oo uu ku qaatay billaddii lacagta ahayd ee tartanka dhalinyarada si uu u sameeyo mid ka mid ah biladaha Kenya, oo ay weheliyaan Augustine Choge iyo Barnabas Kosgei. Marka la eego
2007 World Cross Country Championships wuxuu ku guuleystay bilada naxaasta tartanka sare, halka kooxda Kenya ee uu ka mid ahaa ay ku guuleysteen tartanka kooxda. Sannadkii 2008 wuxuu dhammeeyey kaalinta tobnaad shaqsi ahaan, wuxuuna ku guuleystay billad kale oo dahab ah. Wuxuu sidoo kale ka qeyb galay 2008 IAAF World Athletics Final isla sanadkaas, isagoo galay kaalinta siddeedaad ee 5000 mitir ee wadada.