Nyorai kuenderera mberi kweiyi ndima - Akapedza wechinomwe mumakwikwi emamita 3000 pa2002 World Junior Championships uye akahwina menduru yesirivheri mumakwikwi evana vadiki pa2003 World Cross Country Championships
. Pa2004 World Cross Country Championships akapedza ari wechinomwe munhangemutange pfupi, nepo timu yeKenya, iyo Jepchumba yaive chikamu, yakahwina menduru yesirivheri mumakwikwi echikwata.