In October she finished sixth in the Champion Stakes at Newmarket.
After he finished third in the Pegasus Stakes (G2), seven more chips were discovered in the colt's ankle.
She finished fifth in the Goodwood Stakes, racing against some of the best males at that time.
Two months later he finished behind Zany again, on this occasion when finishing unplaced in the July Stakes.
He later finished fourth in the St. Leger Stakes to the filly Tranquil.
She won the 1000 Guineas on her second appearance but did not run as a three-year-old after finishing unplaced in the Oaks Stakes.
He never won again but did finish second in the St. Leger Stakes at Doncaster.
Winning Colors has not raced since finishing last, beaten 42 lengths, in the Belmont Stakes on June 11.
When tried over longer distances she finished fourth in the Epsom Oaks and Eclipse Stakes.
In her last race of the season she finished fifth in the October Oatlands Stakes.