Ka cika wannan jumla: Shekarar da ya fi samun ci gaba ita ce shekara ta 2002. Bayan kyakkyawan farawa a kan ciyawa a gasar tsere ta duniya ta 2002 IAAF, inda ya kasance na goma sha biyu a cikin rukunin matasa, ya sami babban nasararsa ta farko a Gasar Zakarun Duniya, inda ya lashe lambar zinare a tseren tsere. Ya koma babban matakin shekara guda bayan haka kuma ya kammala na huɗu a cikin gajeren tsere a
Gasar tseren tseren ƙasa ta 2003 ta IAAF ta gan shi yana taimaka wa Kenya zuwa taken ƙungiyar. Daga nan sai ya ci gaba da shiga tawagar Kenya a cikin tseren tsere, kodayake ya fadi a cikin zafin jiki a Gasar Cin Kofin Duniya ta 2003 a Wasannin motsa jiki kuma an fitar da shi a mataki na farko. Bai yi kyau ba a cikin 2004, ya rasa wurare a cikin ƙungiyoyin Kenya kuma yana fama da raunin jijiya. Ya kafa mafi kyawun minti na 8:10.66 a taron Golden Gala na 2005 kuma ya kasance na uku a gwajin Kenya, amma an sauke shi daga tawagar 'yan wasa na kasa da kasa don son Paul Kipsiele Koech.