Won: Observer Gold C. (GB-Doncaster-8f), Washington Singer S., Irish Sweeps Derby (IRE-G1-Curragh-12f) (ridden by Lester Piggot), St. Leger S. (GB-G1-Doncaster-14f32y) 2nd: Derby Stakes G1(GB) 3rd: Prix de l'Arc de Triomphe G1(FR), Champagne S. (ENG), Dee S.