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. In Britain the term Triple Crown is also applied—though far...

The Triple Crown of Thoroughbred Racing (although sometimes shortened to Triple Crown, the full name is used to avoid possible confusion with other sports) consists of three races for three-year-old thoroughbred horses. Winning all three of these...