Kammala jumla mai zuwa: Ya sami wuri a cikin tawagar 'yan wasan Kenya bayan ya zama zakara a Gasar tseren tseren Kenya a Nairobi a watan Fabrairu. A cikin
2011 IAAF World Cross Country Championships ya yi ikirarin matsayi na huɗu kuma ya taimaka wa mazajen Kenya (ciki har da ƙananan masu lambar yabo Paul Tanui da Vincent Chepkok) zuwa lambar zinare ta ƙungiyar. Ba da daɗewa ba bayan da ya gudu rabin marathon mafi kyau na 60:03 minti don lashe a Stramilano tseren. Ya zo na uku a Giro di Castelbuono 10K a watan Yuli. Ya gudu a karo na hudu mafi sauri a kowane lokaci don nesa a Philadelphia Half Marathon a watan Satumba, ya kammala nesa a cikin minti 58:46 don karya rikodin Haile Gebrselassie na Amurka. Kisorio ya fara yin wasan marathon a 2011 New York City Marathon a watan Nuwamba kuma yana da kyakkyawan wasan farko, ya gama na goma a cikin awa 2:10:58. Gasarsa ta ƙarshe ta shekara ita ce Gasar Hanya ta Saint Silvester a Brazil kuma ya zo na uku a kan nisan 15K.