The Triple Crown of Thoroughbred Racing, often shortened to Triple Crown, comprises three races for three-year-old Thoroughbred horses. Winning all three of these Thoroughbred horse races is considered the greatest accomplishment in Thoroughbred racing. The term originated in mid-19th century England and different nations where thoroughbred racing is popular each have their own Triple Crown series.
In the United States, the three races that make up the Triple Crown are:
There is also a national Triple Tiara (formerly known as the Filly Triple Crown), which is held as undercard events on the same weekends as the associated Triple Crown races:
Thus far, only one filly has won the national Filly Triple Crown:
From 1957 to 2002, and 2007 to 2009, the New York Triple Tiara consisted of the Acorn Stakes, the Mother Goose Stakes, and the Coaching Club American Oaks. (All three races are run at Belmont Park in New York.)
Eight fillies won the original New York Triple Tiara:
In 2010, the NYRA changed the configuration of the new Betfair TVG Triple Tiara. It now consists of the Acorn Stakes run at Belmont Park, and two races at Saratoga Race Course: the Coaching Club American Oaks, and the Alabama Stakes. Thus far, no filly has won the reconfigured Betfair TVG Triple Tiara.
In England, where the term Triple Crown originated with West Australian's three wins in 1853, it is made up of:
Since the 2,000 Guineas was first run in 1809, only fifteen horses (including three winners of substitute races at Newmarket during World War I) have ever won the English Triple Crown, including Nijinsky in 1970. Nijinsky is still the only winner of the English Triple Crown since World War II. For many years, it was considered unlikely that any horse would ever win the English Triple Crown again. In the winter of 2006/2007, however, trainer Jim Bolger was training his unbeaten colt Teofilo for the Triple Crown and bookmaker William Hill plc was offering odds of only 12/1 against Teofilo winning the 2007 Triple Crown. However, the horse was withdrawn from the 2000 Guineas two days before the race after suffering a setback and never raced again.