Tuhia he haere tonu mo tenei waahanga - I whakapumautia a Chepkorir i roto i nga kaikawe haurua marathon o runga o te ao me te wikitoria i te haurua marathon o Berlin i te Poutu-te-rangi 2010, e rere ana i te waa whaiaro 69:43 meneti ki te patu i a Eunice Kales. I hoki ia ki te taone nui o Tiamana mo te whakataetae BIG 25 Berlin, a ko ia te tuatoru. I whiriwhiria ia ki te whakataetae mo Kenya i te 2010 IAAF World Half Marathon Championships
Engari i whakaitihia e te wharanga tana wa i mua i tana wa tuatahi ki te ao matua i reira.