
Belmez was an American-bred, British-trained Thoroughbred racehorse best known for winning the 1990 King George VI and Queen Elizabeth Stakes.

Conduit was a Thoroughbred racehorse and sire. In a career that lasted from August 2007 to November 2009 he won seven of his fifteen starts, including four at Group One/Grade I level.

Dancing Brave was an American-bred, British-trained thoroughbred racehorse. In a racing career which lasted from the autumn of 1985 until October 1986 he ran ten times and won eight races. he was the outstanding European racehorse of 1986 when he won the 2000 Guineas, the Eclipse Stakes, the King George VI and Queen Elizabeth Stakes and the Prix de l'Arc de Triomphe. His only defeats came in The Derby and the Breeders' Cup Turf. He was retired to stud where he was a successful sire of winners in Europe before being exported to Japan where he died in 1999.

Danedream is a German Thoroughbred racehorse best known for winning the 2011 Prix de l'Arc de Triomphe in race record time. She is one of only two German trained horses to win the Arc, the other being Star Appeal in 1975. In November 2011 she became the first German-trained horse to win a Cartier Racing Award.

Doyen is a retired Thoroughbred racehorse, who was bred in Ireland but trained in France, Dubai and the United Kingdom during a racing career which lasted from 2002 to 2005. He is best known for winning the 2004 King George VI and Queen Elizabeth Stakes.

Duke of Marmalade is a retired Irish Thoroughbred racehorse and active sire. He is best known for winning five consecutive Group One races in 2008, for which he was named European Champion Older Horse. Upon retirement at the end of the 2008 racing season he stood as a stallion for Coolmore Stud, being moved between stud farms in Ireland and Australia. In July 2014 he was sold and relocated to Drakenstein Stud in South Africa where he currently stands.

Enable is a retired British Thoroughbred racehorse. In a career which ran from November 2016 to October 2020 she ran nineteen times, winning fifteen races including eleven at Group One level.

Galileo is a retired Irish Thoroughbred racehorse and active sire. In a racing career which lasted from October 2000 until October 2001 he ran eight times and won six races. He is best known for winning The Derby, Irish Derby Stakes, and King George VI and Queen Elizabeth Stakes in 2001 and for his rivalry with the Godolphin champion Fantastic Light. He was named the European Champion Three-Year-Old Colt of 2001.

Generous was an Irish-bred, British-trained Thoroughbred racehorse who in 1991 won both the Epsom and the Irish Derby. As a two-year-old he won three of his six races, most notably the Dewhurst Stakes as a 50/1 outsider. He finished fourth in the 2000 Guineas on his three-year-old debut, but showed vastly improved form when moved up to longer distances in summer. In a period of seven weeks he won the Derby by five lengths, the Irish Derby by three lengths and the King George VI and Queen Elizabeth Stakes by a record seven lengths. His performances established him as one of the outstanding British racehorses of his era. After running poorly in the Prix de l'Arc de Triomphe he was retired to stud, where his record was disappointing.

Golan is a retired Thoroughbred racehorse and active sire who was bred in Ireland, but trained in the United Kingdom throughout his racing career, which lasted from 2000 to 2002. He won the 2000 Guineas in 2001 and King George VI and Queen Elizabeth Diamond Stakes in 2002. He won the latter race after an eight-month absence from the racecourse.

Grundy (1972–1992) was a British Thoroughbred racehorse. In a racing career which lasted from July 1974 until August 1975 he ran eleven times and won eight races. He was the leading British two-year-old of 1974 when his wins included the Champagne Stakes and the Dewhurst Stakes. In 1975 he was narrowly beaten in the 2000 Guineas but went on to win the Irish 2000 Guineas and the Epsom and Irish derbies. He is best remembered however, for his win over Bustino in the King George VI and Queen Elizabeth Diamond Stakes, which has been described as Britain's "Race of the Century". He was retired to stud at the end of 1975 and had some success as a sire of winners. He was exported to Japan where he died in 1992.

Harbinger is a retired thoroughbred racehorse best known for winning the King George VI and Queen Elizabeth Stakes in 2010.

Highland Reel is an Irish Thoroughbred racehorse. In a career running from June 2014 to December 2017 he raced in Ireland, Britain, France, the United States, Australia, Hong Kong and Dubai, and recorded seven victories at Group 1 or Grade 1 level in the Secretariat Stakes, Hong Kong Vase (twice), King George VI & Queen Elizabeth Stakes, Breeders' Cup Turf, Coronation Cup and Prince of Wales's Stakes. He was also placed in the Prix du Jockey Club, Cox Plate, International Stakes, Prix de l'Arc de Triomphe and Champion Stakes. He holds the record for the greatest amount of prize money earned by a racehorse trained in Europe.

Hurricane Run (2002–2016) was a world champion Irish-bred thoroughbred racehorse. He was the second French-trained horse, after his sire Montjeu to win both the Prix de l'Arc de Triomphe and the King George VI and Queen Elizabeth Stakes.

King's Theatre was an Irish-bred Thoroughbred racehorse and sire. He was trained in the United Kingdom and the United States during a racing career which lasted from July 1993 to June 1996, winning five of his seventeen races. He is best known for winning the King George VI and Queen Elizabeth Stakes in 1994, a year in which he was named European Champion Three-year old colt. King's Theatre later became a sire of both flat racers and jumpers.

Lammtarra was an undefeated Thoroughbred racehorse who won three Group One races in 1995 and was voted the Cartier Three-Year-Old European Champion Colt. He won The Derby in record time, the King George VI and Queen Elizabeth Stakes and the Prix de l'Arc de Triomphe. He is one of only two horses to win all three races, the other being Mill Reef.

Mill Reef (1968–1986) was a Champion Thoroughbred racehorse and sire. He was bred in the United States but was trained in the United Kingdom throughout his racing career which lasted from 1970 to 1972. Mill Reef won twelve of his fourteen races and finished second in the other two. He was an outstanding two-year-old in 1970, and proved even better at three, winning the Epsom Derby, the Eclipse Stakes, the King George VI and Queen Elizabeth Stakes and the Prix de l'Arc de Triomphe. He won both his starts as a four-year-old before his racing career was ended by injury.

The Minstrel was a Canadian-bred, Irish-trained Thoroughbred racehorse and sire. Bred in Ontario, he was sold as a yearling and exported to Europe, where he was campaigned in Ireland and the United Kingdom. As a two-year-old The Minstrel was unbeaten in three races including the Dewhurst Stakes, but lost two of his first three starts in 1977. He was then moved up in distance and won his remaining three races: the Epsom Derby, the Irish Derby, and the King George VI and Queen Elizabeth Stakes.

Montjeu was an Irish-bred, French-trained thoroughbred horse racing racehorse and sire. In a racing career which lasted from September 1998 to November 2000 he ran sixteen times and won eleven races. After winning twice as a juvenile, he was the outstanding European racehorse of 1999, winning the Prix du Jockey Club, the Irish Derby and the Prix de l'Arc de Triomphe. Four more victories in 2000 included the King George VI and Queen Elizabeth Stakes. He was then retired to stud where he proved to be an outstanding sire of winners.

Nashwan was an American-bred, British-trained Thoroughbred racehorse and sire. After winning both his starts as a two-year-old, he developed into an outstanding performer in the spring and summer of 1989, completing a unique four-timer when winning the 2000 Guineas, Epsom Derby, Eclipse Stakes, and King George VI and Queen Elizabeth Stakes. After sustaining his only defeat in the Prix Niel in September, he was retired to stud where he was a successful sire of winners.

Nathaniel is an Irish-bred British-trained Thoroughbred racehorse. Nathaniel failed to win in two races as a two-year-old but attracted attention by running Frankel to half a length at Newmarket. At three he recorded his first major win in the King Edward VII Stakes at Royal Ascot and then won Britain's most prestigious all-aged race, the King George VI and Queen Elizabeth Stakes over the same course and distance. Nathaniel returned in 2012 to win the Eclipse Stakes on his seasonal debut. Although he failed to win again he was placed in the King George, the Irish Champion Stakes and the Champion Stakes before being retired at the end of the year. During his racing career he earned £1,464,688. He made an immediate impact as a breeding stallion, siring the champion filly Enable in his first season at stud.

Nijinsky, usually known in the United States as Nijinsky II, was a Canadian-bred, Irish-trained Thoroughbred racehorse and sire. He was the outstanding two-year-old in Europe in 1969 when he was unbeaten in five races. In the following season, he became the first horse for thirty-five years to win the English Triple Crown, a feat that had not been repeated as of 2020. He is regarded by many experts to have been the greatest flat racehorse in Europe during the 20th century.

Novellist is an Irish-bred, German-trained Thoroughbred racehorse and sire. He won major races in four countries including the Gran Premio del Jockey Club in Italy, the Grand Prix de Saint-Cloud in France, the King George VI and Queen Elizabeth Stakes in the United Kingdom and the Grosser Preis von Baden in Germany. He was rated the fifth-best racehorse in the world and was voted German Horse of the Year for his performances in 2013.

Opera House was a British thoroughbred racehorse and sire. In a racing career which lasted from October 1990 until November 1993 he ran eighteen times and won eight races. Opera House was best known for his performances as a five-year-old in 1993, when he won three Group One races, including the King George VI and Queen Elizabeth Stakes and was named European Champion Older Horse. Retired to stud in Japan, he developed into a top-class sire in the country, supplying seven-time Grade 1 hero T M Opera O, four-time Group 1 winner Meisho Samson and multiple Group scorer Miyabi Ranveli.

Pawneese was a French Thoroughbred racehorse who was Europe's top racing filly in 1976.

Poet's Word is an Irish-bred, British-trained Thoroughbred racehorse and breeding stallion. He showed useful but unremarkable form in his first two seasons before developing into a high-class performer at the age of four when he won the Glorious Stakes as well as finishing second in both the Irish Champion Stakes and the Champion Stakes. He continued his progress as a five-year-old in 2018, winning the Brigadier Gerard Stakes, Prince of Wales's Stakes and King George VI & Queen Elizabeth Stakes.

Postponed is an Irish-bred, British-trained Thoroughbred racehorse. He won one minor race as a two-year-old before establishing himself as a useful middle-distance performer in the following year with wins in the Glasgow Stakes and the Great Voltigeur Stakes. In July 2015, he recorded his biggest victory in the King George VI & Queen Elizabeth Stakes at Ascot Racecourse and followed up with a success in the Prix Foy. After a change of trainer he returned in 2016 to win the Dubai City of Gold, Dubai Sheema Classic, Coronation Cup and International Stakes. He was retired from racing in May 2017 having won 9 of his 20 races and earned nearly £5,000,000 in win and place prize money.

Reference Point was a British Thoroughbred race horse and sire. In a career which lasted from August 1986 to October 1987 he ran ten times and won seven races. As a three-year-old he overcame sinus problems before winning York's Dante Stakes, the Derby, Ascot's King George VI and Queen Elizabeth Diamond Stakes, the Great Voltigeur and St. Leger in 1987. It was not until 2012 that another Derby winner contested the St. Leger; when Camelot attempted, and failed, to win the English Triple Crown. His final race of the season resulted in failure in the Prix de l'Arc de Triomphe at Longchamp, Paris when an abscess was later found to have been responsible for his below-par performance.

Ribot was a British-bred Italian-trained Thoroughbred racehorse who is one of the Timeform top-rated racehorses of all time. He is considered by many experts to be in the top 3 of the most complete and strongest racehorses in history. Undefeated in sixteen races, he won over all distances, from 5 furlongs (1,000m) to 1m 7f (3,000m) in three countries and on all types of track conditions. He was the best Italian two-year-old of 1954, when his three wins included the Gran Criterium. He won his first four races of 1955 in Italy before being sent to France where he won the Prix de l'Arc de Triomphe. In the following year he was even better, recording wide-margin victories in both the King George VI and Queen Elizabeth Stakes and the Prix de l'Arc de Triomphe.

Royal Palace (1964–1991) was a British Thoroughbred racehorse. In a racing career which lasted from June 1966 until July 1968 he ran eleven times and won nine races. After being rated the best English-trained two-year-old of 1966, he won the first two legs of the Triple Crown, the 2000 Guineas and the Derby in 1967. He returned for an unbeaten four-year-old season in 1968 when he won four races which are now Group One events.

Shergar was an Irish-bred, British-trained Thoroughbred racehorse. After a very successful season in 1981 he was retired to the Ballymany Stud in County Kildare, Ireland. In 1983 Shergar was stolen from the stud, and a ransom of £2 million was demanded; it was not paid, and negotiations were soon broken off by the thieves. In 1999 a supergrass, formerly in the Provisional Irish Republican Army (IRA), stated they stole the horse. The IRA has never admitted any role in the theft.

Taghrooda is an Irish bred British trained Thoroughbred racehorse. In 2014 she won the classic Oaks Stakes and went on to win Britain's premier weight-for-age race, the King George VI and Queen Elizabeth Stakes. She subsequently finished second in the Yorkshire Oaks and third in the Prix de l'Arc de Triomphe before being retired at the end of the season.

Teenoso was an American-bred British-trained Thoroughbred racehorse. After showing moderate form as a two-year-old he improved in the spring of 1983 to win the Group Three Lingfield Derby Trial and then won the Classic Epsom Derby, giving Lester Piggott a record ninth win in the race. Teenoso was beaten in his two remaining races that year but showed his best form as a four-year-old, winning the Ormonde Stakes, the Grand Prix de Saint-Cloud and, on his final appearance, the King George VI and Queen Elizabeth Stakes. He proved to be a disappointment at stud.

Time Charter was an Irish-bred, British-trained Thoroughbred racehorse and broodmare who won several major middle-distance races between 1982 and 1984. After winning twice as a two-year-old in 1981, she developed into a classic filly in the following year, finishing second in the 1000 Guineas before winning The Oaks in record time. Later that year she won the Sun Chariot Stakes before beating a field of colts and older horses by seven lengths in the Champion Stakes. As a four-year-old she won England's premier weight-for-age race, the King George VI and Queen Elizabeth Stakes and successfully conceded seven pounds to the outstanding French filly All Along in the Prix Foy. In 1984 she recorded an impressive four length victory in the Coronation Cup and was retired from racing at the end of the year having won nine of her twenty races. She later became a very successful broodmare.

Troy was an Irish-bred, British-trained Thoroughbred racehorse and sire. In a career that lasted from 1978 to 1979, he ran eleven times and won eight races. He is most notable for his form in the summer of 1979, when he won the 200th running of the Derby and subsequently added victories in the Irish Derby, the King George VI and Queen Elizabeth Stakes and the Benson and Hedges Gold Cup. He was retired to stud at the end of the season. His career as a stallion lasted only four years before he died in 1983.

Tulyar (1949–1972) was an Irish bred, British-trained Thoroughbred racehorse and sire. He won The Derby, the St. Leger Stakes, the King George VI and Queen Elizabeth Stakes, the Ormonde Stakes and the Eclipse Stakes setting a record for a single season's earnings in England. He stood at stud in Ireland and America, but failed to live up to expectations as a sire.