TRIPLE CROWN

in U.S. horseracing, an unofficial championship attributed to a horse that in a single season wins the Kentucky Derby, the Preakness Stakes, and the Belmont Stakes (qq.v.). in British horseracing, an unofficial championship attributed to a colt or filly that in a single season wins the races known as the Derby, the Saint Leger, and the Two Thousand Guineas (qq.v.). In Britain the term Triple Crown is also appliedthough far less commonlyto a filly that in a single season wins the Derby, the Saint Leger, and the One Thousand Guineas (q.v.), the first two races being for both colts and fillies and the last for fillies only.