Tuhia he haere tonu mo tenei waahanga - Ko te tohu tuatahi a Kipyego i puta mai i te tau 2005 i te IAAF World Cross Country Championships
, i riro ai i a ia te mētara hiriwa i te whakataetae rangatahi ki te hanga i tetahi kopae Kenya o nga mētara, i te taha o Augustine Choge me Barnabas Kosgei. I te 2007 World Cross Country Championships i wini ia i te mētara parahi i te whakataetae pakeke, i te wa i wini ai te kapa Kenya i uru atu ai ia ki te whakataetae kapa. I te tau 2008 i mutu ia i te tekau o nga takitahi, ka wini i tetahi atu tohu koura a te roopu. I whakataetae hoki ia i te Whakataunga Whakataunga Whakataetae o te Ao IAAF i tera tau, i te tuarima o nga mita 5000 i runga i te ara.