Secretariat was an American Thoroughbred racehorse who, in 1973, became the first Triple Crown winner in 25 years. His record-breaking victory in the Belmont Stakes, which he won by 31 lengths, is widely regarded as one of the greatest races in history. During his racing career, he won five Eclipse Awards, including Horse of the Year honors at ages two and three. He was nominated to the National Museum of Racing and Hall of Fame in 1974. In the List of the Top 100 U.S. Racehorses of the 20th Century, Secretariat is second only to Man o' War, who also was a large chestnut colt given the nickname "Big Red".
Marcus Daly was an Irish-born American businessman known as one of the three "Copper Kings" of Butte, Montana, United States.
War Admiral was an American Thoroughbred racehorse, best known as the fourth winner of the American Triple Crown and Horse of the Year in 1937, and rival of Seabiscuit in the 'Match Race of the Century' in 1938. During his career toward the end of the Great Depression, War Admiral won 21 of his 26 starts with earnings of $273,240 After his retirement to stud, he was the leading sire in North America for 1945 and was also an outstanding broodmare sire whose influence is still felt today in descendants such as American Pharoah and Justify.
Seattle Slew was an American Thoroughbred race horse who won the Triple Crown in 1977 — the tenth of thirteen horses to accomplish the feat. He is one of two horses to have won the Triple Crown while having been undefeated in any previous race; the second was Justify, who won the Triple Crown in 2018 and who is descended from Seattle Slew. Honored as the 1977 Horse of the Year, he was also a champion at ages two, three, and four. In the Blood-Horse magazine List of the Top 100 U.S. Racehorses of the 20th Century Seattle Slew was ranked ninth.
Mr. Prospector was a Thoroughbred racehorse who became an outstanding breeding stallion and notable sire of sires. A sprinter whose career was cut short by repeated injuries, he won seven of his 14 starts, including the Gravesend Handicap at Aqueduct Racetrack and the Whirlaway Handicap at Garden State Park.
Native Dancer, nicknamed the Gray Ghost, was one of the most celebrated and accomplished Thoroughbred racehorses in American history and was the first horse made famous through the medium of television. He was a champion in each of his three years of racing, and was inducted into the National Museum of Racing and Hall of Fame in 1963. In the Blood-Horse magazine List of the Top 100 Racehorses of the 20th Century, he was ranked seventh.
Count Fleet was a champion American thoroughbred racehorse. In 1943, he became the sixth American Triple Crown winner when he won the Belmont Stakes by a then record margin of twenty-five lengths. After an undefeated season, he was named the 1943 Horse of the Year and champion three-year-old. Also a champion at age two, he is ranked as one of the greatest American racehorses of the twentieth century. He was inducted into the National Museum of Racing and Hall of Fame in 1961.
Eclipse was an undefeated 18th-century British Thoroughbred racehorse who won 18 races, including 11 King's Plates. After retiring from racing he became a very successful sire and today appears in the pedigree of most modern Thoroughbreds.
Hindoo (1878–1901) was an outstanding American Thoroughbred race horse who won 30 of his 35 starts, including the Kentucky Derby, the Travers Stakes, and the Clark Handicap. He later sired Preakness Stakes winner Buddhist and Belmont Stakes winner and Leading sire in North America Hanover.
Bimelech was a champion Thoroughbred racehorse who won two Triple Crown races and was a Champion at both age two and three. He was ranked #84 among U.S. racehorses of the 20th century. After retiring to stud, he sired 30 stakes winners and his daughters produced 50 stakes winners.
Curlin is an American Thoroughbred racehorse and from 2008 until 2016 was the highest North American money earner with over US$10.5 million accumulated. His major racing wins include the 2007 Preakness Stakes, 2007 Breeders' Cup Classic, and 2008 Dubai World Cup.
Timber Country was an American Thoroughbred racehorse who was the first horse to ever win the Breeders' Cup Juvenile and American Triple Crown Classic Race when he won the 1995 Preakness Stakes.
Hamburg (1895–1915) was an American Thoroughbred race horse. The leading American colt of his generation, Hamburg was retrospectively named the American Horse of the Year for 1898. After his racing career he went on to be a successful sire.
Iroquois, was the first American-bred Thoroughbred race horse to win the prestigious Epsom Derby at Epsom Downs Racecourse, Epsom, Surrey, England. He then went on to win the St. Leger Stakes at Doncaster Racecourse.
Bowling Brook was a British-bred American-trained Thoroughbred racehorse.
Sir Martin (1906–1930) was a Thoroughbred racehorse that was foaled in 1906 in Lexington, Kentucky at Hamburg Place, the stud farm of noted turfman and horse trainer John E. Madden. Sir Martin was a half brother to the first Triple Crown winner Sir Barton, and he raced in the United States, Great Britain and France. Sir Martin was the betting favorite for the 1909 Epsom Derby, but stumbled and threw his jockey at the Tattenham Corner turn, allowing King Edward VII's horse Minoru to win.
Shackleford is a retired chestnut Thoroughbred race horse who is best known for winning the 2011 Preakness Stakes. He also finished second in the 2011 Breeders' Cup Dirt Mile and won both the Metropolitan and Clark Handicaps in 2012.
Lap-dog (1823–1838) was a British Thoroughbred racehorse and sire. His racing career consisted of a single season, 1826, during which he ran eight times. After finishing unplaced on his racecourse debut, Lap-dog won his next four races including The Derby. He was retired to stud at the end of the year, but had little success as a sire of winners in England and was later exported to the United States. His name appeared in variations including Lapdog, Lap Dog and The Lap Dog.
The Rubens mare was an unnamed British Thoroughbred racehorse. In her only race she finished second in The Oaks in 1822. Later she became a top broodmare, foaling Ascot Gold Cup winner Camarine, 1000 Guineas winners May-day and Firebrand and Epsom Derby winner Phosphorus.
Lamplighter was an American Champion Thoroughbred racehorse for whom the Lamplighter Stakes at Monmouth Park Racetrack is named.
