Kammala wannan jumla: Ta kammala na bakwai a mita 3000 a gasar zakarun duniya na matasa ta 2002 kuma ta lashe lambar azurfa a tseren matasa a gasar
Gasar tseren tsere ta duniya ta 2003. A Gasar Cin Kofin Duniya ta 2004 ta gama ta bakwai a cikin gajeren tsere, yayin da kungiyar Kenya, wacce Jepchumba ta kasance wani bangare, ta lashe lambar azurfa a gasar kungiyar.