The Nunthorpe Stakes is a Group 1 flat horse race in Great Britain open to horses aged two years or older. It is run at York over a distance of 5 furlongs, and it is scheduled to take place each year in August.
The Fillies' Mile is a Group 1 flat horse race in Great Britain open to two-year-old fillies. It is run on the Rowley Mile at Newmarket over a distance of 1 mile, and it is scheduled to take place each year in October.
The Queen Elizabeth II Stakes is a Group 1 flat horse race in Great Britain open to horses aged three years or older. It is run at Ascot over a distance of 1 mile, and it is scheduled to take place as part of British Champions Day each year in October.
The Dewhurst Stakes is a Group 1 flat horse race in Great Britain open to two-year-old colts and fillies. It is run on the Rowley Mile at Newmarket over a distance of 7 furlongs, and it is scheduled to take place each year in October.
The Champion Stakes is a Group 1 flat horse race in Great Britain open to thoroughbreds aged three years or older. It is run at Ascot over a distance of 1 mile and 2 furlongs, and it is scheduled to take place as part of British Champions Day each year in October.
The Royal Lodge Stakes is a Group 2 flat horse race in Great Britain open to two-year-old colts and geldings. It is run on the Rowley Mile at Newmarket over a distance of 1 mile, and it is scheduled to take place each year in late September.
The Rockfel Stakes is a Group 2 flat horse race in Great Britain open to two-year-old fillies. It is run on the Rowley Mile at Newmarket over a distance of 7 furlongs, and it is scheduled to take place each year in September.
Aidan Patrick O'Brien is an Irish horse racing trainer. Since 1996, he has been the private trainer at Ballydoyle Stables near Rosegreen in County Tipperary for John Magnier and his Coolmore Stud associates. He is widely acknowledged as one of the greatest horse racing trainers of all time.
Gay Crusader (1914–1932) was a British Thoroughbred racehorse and sire who won a wartime version of the English Triple Crown in 1917. In a career which lasted from September 1916 and October 1917 he ran ten times and won eight races, including his last seven in succession. In addition to his three Classic wins he defeated older horses in the Newmarket Gold Cup and the Champion Stakes. Because of wartime restrictions, all of his races were at Newmarket Racecourse. After being injured in training in 1918 he was retired to stud, where his record was disappointing.
Tetratema was an Irish-bred, British-trained Thoroughbred racehorse and sire. In a racing career which lasted from May 1919 until October 1921 he won thirteen of his sixteen races, include the all twelve of his starts over the sprint distances of five and six furlongs. He was unbeaten in five races in 1919, including the Molecomb Stakes, Champagne Stakes, and Middle Park Stakes, and was the highest-rated two-year-old in Britain by a record margin. In the following year he had enough stamina to win the Classic 2000 Guineas over a mile, but failed to stay when unplaced in both The Derby and the Eclipse Stakes. He then returned to sprinting and won his remaining two races of 1920 and all four in 1921. His successes in this phase of his career included the King's Stand Stakes, July Cup and two runnings of the King George Stakes.
Rockfel was a British Thoroughbred racehorse and broodmare, best known for winning two Classics in 1938. In a career which lasted from July 1937 until May 1939 she ran thirteen times and won eight races. Rockfel began her career at the lowest level, being beaten in a selling race, but improved to become recognised as one of the best British racemares of the 20th century. In 1938 she was the dominant three-year-old in England, winning the 1000 Guineas over one mile at Newmarket and the Oaks over one and a half miles at Epsom. In the autumn she defeated colts in the Champion Stakes and the Aintree Derby and was retired after winning her only race as a four-year-old. She produced one foal before dying in November 1941.
Belle of All was a British Thoroughbred racehorse and broodmare who won the classic 1000 Guineas in 1951. In a racing career lasting from the spring of 1950 until July 1951, the filly ran six times and won four races. Belle of All won both her races as a two-year-old, beating a strong field in the National Stakes at Sandown Park and winning the Cheveley Park Stakes at Newmarket Racecourse in autumn. She won the 1000 Guineas on the first appearance of 1951 and added the Coronation Stakes at Royal Ascot in June. Her only career defeats came when she was tried over longer distances in The Oaks and King George VI and Queen Elizabeth Stakes. She was retired from racing at the end of the season and had some influence as a broodmare.
Warning was a British Thoroughbred racehorse and sire. He was the leading two-year-old colt in Europe in 1987 when he was unbeaten in four races including the Richmond Stakes and the Champagne Stakes. As a three-year-old he missed the British Classic Races but proved himself to be an outstanding specialist miler, winning the Sussex Stakes and the Queen Elizabeth II Stakes. He was less successful in 1989, but added a win in the Queen Anne Stakes. He was retired to stud at the end of that year and became a successful sire of winners in Britain and Japan.
Sharpen Up was British racehorse and sire. He was one of the leading European two-year-olds of his generation, winning all five of his races including the Seaton Delaval Stakes and the Middle Park Stakes. He failed to win in three starts in 1972 and was retired to stud. He became a highly successful breeding stallion in both Europe and North America. Sharpen Up died in 1992.
Ad Valorem is an American-bred, Irish-trained Thoroughbred racehorse and sire. He was one of the leading European two-year-olds of 2004, when he was unbeaten in three races including the Middle Park Stakes. He failed to win in 2005 but returned as a four-year-old to win the Queen Anne Stakes. Since his retirement he has had some success as a sire of winners in Australia.
Crusade is an American-bred, Irish-trained Thoroughbred racehorse and sire best known for his upset win in the 2011 Middle Park Stakes. He showed his best form as a juvenile when he won one minor race from his first three starts before taking the Middle Park at odds of 25/1. On his only subsequent start that year he finished sixth on dirt in the Breeders' Cup Juvenile. He ran poorly on his only appearance as a three-year-old and was retired to become a breeding stallion in South Africa.
Diophon was a British Thoroughbred racehorse and sire. He was probably the best two-year-old colt of his generation in England in 1923 when he won four of his five races including the July Stakes Lavant Stakes and Middle Park Stakes. In the following spring he gave his owner Aga Khan III the first of his many classic wins when he took the 2000 Guineas. He failed to win again that year but returned to take three valuable prizes in 1925. After his retirement from racing he had some success as a breeding stallion.
Fair Isle was a British Thoroughbred racehorse and broodmare. She was the top-rated juvenile filly in England in 1929 when she won three of her five races, namely the Champion Breeders' Foal Plate, Buckenham Post Produce Stakes and Bretby Stakes. In the following year she won the 1000 Guineas and Midsummer Stakes as well as finishing fourth in the Epsom Oaks and third in the Champion Stakes. All but one of Fair Isle's wins came at Newmarket Racecourse. As a broodmare, the best of her foals was the Queen Anne Stakes winner St Magnus.
Rhodora was an Irish Thoroughbred racehorse and broodmare. She was one of the best juvenile fillies in the British Isles in 1907 when she won three of her six races including a victory over strong male opposition in the Dewhurst Stakes. In the following year she won the 1000 Guineas but was brought down when favourite for the Epsom Oaks. She won two more races in Ireland before her racing career was ended by injury. She was retired from racing to become a broodmare, but none of her produce survived long after birth.
Ten Sovereigns is an Irish Thoroughbred racehorse. He was one of the best two-year-olds in Europe in 2018 when he was unbeaten in three races including the Round Tower Stakes and the Middle Park Stakes. He was beaten when favourite for the 2000 Guineas on his reappearance in 2019 but subsequently returned to sprint distances and won the July Cup.
