Tuhia he haere tonu mo tenei irava - I te tau 2006, i whakatauhia e ia te wa pai rawa atu mo te 2: 23:38 i te wikitoria i te Boston Marathon, i riro i a ia te taitara i te Haurua Marathon o Paris, i wikitoria ia i te mētara parahi i te 2006 World Road Running Championships
, ko ia te tuawha i te New York City Marathon i taua tau ano. I te tau 2007, i mutu ia i te tuawha i Boston, i te ngana ki te tiaki i tana taitara, a ka kii, "Kare au i pai ki te makariri. Kāore i taea e au te whakatikatika i toku tinana". I wikitoria ia i te hawhe marathon o Lisbon i taua tau, i muri mai ka eke ki te tuawhitu o nga waahi i te marathon i te 2007 World Championships in Athletics. I mutu ia i tana 2007 me te rekoata akoranga hou i te Obudu Ranch International Mountain Race, e whiwhi ana i te US $ 50,000 hei hua.