 Sentayehu akaita mutambo wake wekutanga pasi rose pa2001 World Youth Championships muAthletics ndokutora menduru yebronze pamamita 1500. Akakurumidza kuchinja pfungwa dzake kuti aende kure uye akakwikwidza pa2002 IAAF Golden League circuit, achinyora 3000 metres yakanakisisa ye8: 48.30 maminitsi paWeltklasse Zurich pazera remakore gumi nemanomwe. Akawana nzvimbo pa2002 IAAF Grand Prix Final uye akauya wechinomwe muchiitiko ichi. Kuguma panzvimbo yechitanhatu mumakwikwi evana vadiki pa2003 IAAF World Cross Country Championships kwakabatsira vakadzi veEthiopia kuhwina mukombe wechikwata, ukuwo mumwe muEthiopia Tirunesh Dibaba akahwina mujaho. Akavandudza 3000 m track yake yakanakisisa kusvika ku8: 46.51 gore iroro asi kuonekwa pa 2003 IAAF World Athletics Finalkwakaguma nokumwe kuguma kunzvimbo yechinomwe. 