Kammala wannan jumla: Ya fara fitowa a 2015 a gasar
FIS Alpine World Ski Championships 2015 lokacin da ya gama na 2 a cikin Super G a Beaver Creek. Cook ya zama dan Kanada na farko da ya lashe lambar yabo a Super G a Gasar Cin Kofin Duniya. Ya kuma gama na goma sha biyu a cikin Giant Slalom a Gasar Cin Kofin Duniya mako guda bayan haka. Gasar cin kofin duniya ta farko ta FIS Alpine ta zo ne wata daya bayan haka lokacin da ya gama na 3 a cikin Super G a Kvitfjell. Ya lashe tserensa na farko bayan kwana goma sha ɗaya a gasar cin kofin duniya a Meribel. Cook ya gama kakar wasan 2015 tare da biyar daga cikin manyan gasar cin kofin duniya ashirin, ban da wasanninsa biyu da lambar gasar cin kofin duniya. Ya gama kakar 2015 a matsayi na 5 a cikin Super G, kuma na 30 a cikin Giant Slalom.