Pedzisa mutsara unotevera: Mwaka wa2014 waive danho rekudzokera kumashure panzira yaCheptai, sezvo akapedza zvakaderera mumakwikwi eDiamond League uye akatadza kuvandudza akanakisa ake. Zvisinei, akafambira mberi pakumhanya mumugwagwa, achiuya wechipiri paGroningen Four-Mile Run neNairobi Diamond 10K Run, achiisa yakanakisa ye31: 45 maminetsi mune yekupedzisira. Akatanga kudzidziswa neTurkey athletics club Üsküdar Belediyesi uye akaunza kukunda kwechikwata mumunhu mumwe uye muboka rezvikamu paEuropean Champion Clubs Cup Cross Country. Mushure mekukunda Discovery Kenya Cross Country, Cheptai akasarudzwa zvakare kuchikwata cheKenya che
2015 IAAF World Cross Country Championships uye yakasvika pakakwirira nyowani munzvimbo yechinomwe, ichihwina menduru yesirivheri nechikwata neKenya. Pa 2015 IAAF Diamond League, akaisa pamusoro matanhatu 5000 m paShanghai Golden Grand Prix, Prefontaine Classic uye Bislett Mitambo. A kumhanya-kumagumo kuna Viola Kibiwott panguva 2015 Athletics Kenya World Championship Trials akawana nzvimbo yake yokutanga mukuru njanji chikwata nokuda Kenya.