This list includes racehorses that exist in the historical record.
Racehorses
For competition horses, such as show jumpers and dressage horses, see .
A
Adios Butler: famous harness racer
Affirmed: U.S. Triple Crown winner (1978) Ajax: 18 consecutive race wins, before he was defeated at 1/40 Albatross: harness racer who won 59 of 71 races, and as a sire produced winners of over $130 million, including Niatross Allez France: French Arc winner and first filly to win a million dollars Alydar: finished second to Affirmed in all three 1978 Triple Crown races; successful sire Almond Eye: Won 9 G1 races, including all three of the Japanese Fillies' Triple Crown in 2018 American Pharoah: 2015 winner of the U.S. Triple Crown and Breeders' Cup World Championships in Lexington, Kentucky at Keeneland Race Course Animal Kingdom: American Thoroughbred racehorse; won 137th Kentucky Derby and 2013 Dubai World Cup Apapane: 2010 Japanese Fillies' Triple Crown winner Archer: first and second winner of the Melbourne Cup Aristides: winner of the first Kentucky Derby Arrogate: winner of Travers Stakes, Breeders' Cup Classic, Pegasus World Cup, and Dubai World Cup in track record time and the richest U.S.-based racehorse of all time Arkle: highest Timeform rating for a steeplechase horseracer Assault: U.S. Triple Crown winner (1946)
B
Battleship (1927–1958) was an American thoroughbred racehorse who is the only horse to have won both the American Grand National and the Grand National steeplechase races. Barbaro: American Thoroughbred who decisively won the 2006 Kentucky Derby, but shattered his leg two weeks later in the 2006 Preakness Stakes, ending his racing career; underwent several operations; eventually healed, but developed laminitis and could not be saved; euthanized January 29, 2007 Beholder: three-time winner of the Breeders' Cup Distaff, as well as the first filly to win the Pacific Classic Bernborough: Australian racehorse and winner of 15 consecutive races at big weights; sold to US film producer Louis B. Mayer Ben Nevis: champion Maryland steeplechaser he won the Maryland Hunt Cup twice and the Grand National Bend Or: very successful British Thoroughbred racehorse who won the 1880 Epsom Derby Best Mate: 2002, 2003 and 2004 Cheltenham Gold Cup winner; often given title 'Greatest Steeplechaser' since Arkle, and an equal to him Big Brown: 2008 Kentucky Derby and Preakness Stakes winner; first horse since Clyde Van Dusen to win the Kentucky Derby from the 20th post position Black Caviar: undefeated in 25 career starts; fifteen-time Group 1 winner Bold Forbes: 1976 Kentucky Derby and Belmont Stakes winner Bold Ruler: leading sire of stakeswinners; born in the same barn the same night as Round Table; sired the outstanding Secretariat Brian's Time: American-trained racehorse with a successful stud career in Japan Bret Hanover: one of only nine pacers to win the Triple Crown of Harness Racing for Pacers; had 62 wins from 69 starts; the only horse to be made Harness Horse of the Year three times Brigadier Gerard: winner of 17 of 18 races in England, including the 2000 Guineas and 11 other Group I races; joint third highest Timeform flat rating of all time Buckpasser: won 15 consecutive races; one of the great broodmare sires
C
California Chrome: won the 140th Kentucky Derby; won the Preakness; won the 2016 Dubai World Cup; two-time American Horse of the Year Carbine: outstanding racehorse and sire; winner of the Melbourne Cup Cardigan Bay: New Zealand's "million dollar pacer"; the first to win a million in the US; appeared on The Ed Sullivan Show Castleshane: winner of eight flat races and two jumps Cicero: winner of the 1905 Epsom Derby as the shortest-priced successful favourite in the history of the event Cigar: champion in the 1990s who won 16 consecutive races Citation: U.S. Triple Crown winner (1948); also won 16 consecutive major stakes races; first horse to earn $1 million\ Contrail: 2020 Japanese Triple Crown winner Country House: Winner of Kentucky Derby 2019 after Maximum Security was demoted from 1st place for interference with other horses Crisp: remembered for his epic race in the Grand National with Red Rum Curlin: third richest US-based horse of all time, winner of 2007 Preakness Stakes and Breeders' Cup Classic and 2008 Dubai World Cup