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How many horses have won the Triple Crown? Here's info on all of them

The last horse to win the Triple Crown was Justify in 2018.
Credit: AP
Jockey Mike Smith reacts after guiding Justify to win the 150th running of the Belmont Stakes horse race and the Triple Crown. (AP Photo/Julio Cortez)

LOUISVILLE, Ky. — The Triple Crown is a rare accomplishment achieved by just a small handful of horses and jockeys throughout history. In fact, just over a dozen horses in total have won all three races required for the title.

In order to win the Triple Crown, a horse and their jockey must race in the Kentucky Derby, the Preakness Stakes, and the Belmont Stakes in the same season, and earn first place in all three races.

The last of the three races inaugurated was the Kentucky Derby in 1875. In nearly 150 years, just 13 horses have won all three races, earning the title of Triple Crown Winner.

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2018, Justify

Credit: AP
Mike Smith rides Justify to victory during the 144th running of the Kentucky Derby at Churchill Downs in Louisville, Ky.(AP Photo/Morry Gash, File)

Justify is the last horse to win the Triple Crown. He is known to have broken a 136-year-old curse after he was the first horse since Apollo in 1882 to win the Kentucky Derby without racing as a 2-year-old.

Kentucky Derby time: 2:04.20

Jockey: Mike Smith

Trainer: Bob Baffert

Owner(s): China Horse Club, Head of Plains Partners, Starlight Racing and WinStar Farm

Breeder: John D. Gunther

2015, American Pharoah

Credit: AP
Trainer Bob Baffert rubs the head of 2015 Kentucky Derby winner American Pharoah. (AP Photo/Garry Jones, File)

American Pharoah is the only horse that has won both the Triple Crown and the Breeders' Cup Classic in a single season, earning himself the title of Grand Slam of Thoroughbreds winner.

Kentucky Derby Time: 2:03.02

Jockey: Victor Espinoza

Trainer: Bob Baffert

Owner(s): Ahmed Zayat

Breeder: Ahmed Zayat

1978, Affirmed

Affirmed was known as the last horse to win the Triple Crown for 27 years, until American Pharoah won in 2015.

Kentucky Derby Time: 2:01

Jockey: Steve Cauthen

Trainer: Laz Barrera

Owner(s): Harbor View Farm

Breeder: Harbor View Farm

1977, Seattle Slew

Credit: AP
Seattle Slew, with Jean Cruguet in the irons, wears the traditional blanket of roses at Churchill Downs on Saturday, May 7, 1977. (AP Photo)

Seattle Slew is one of only two horses to have won the Triple Crown while being undefeated in any previous race. The second was Justify who won the Triple Crown in 2018 and is descended from Seattle Slew.

Kentucky Derby Time: 2:02.20

Jockey: Jean Cruget

Trainer: William H. Turner Jr.

Owner(s): Mickey and Karen L. Taylor

Breeder: Ben S. Castleman

1973, Secretariat

Secretariat continues to hold the fastest Kentucky Derby time ever achieved. He is the only horse in history to complete the Derby in under two minutes.

Kentucky Derby Time: 1:59.40

Jockey: Ron Turcotte

Trainer: Lucien Laurin

Owner(s): Meadow Stable

Breeder: Meadow Stable

1948, Citation

Secretariat was often compared to Citation throughout his career. Citation was considered the gold standard among Triple Crown winners until Secretariat came along.

Kentucky Derby Time: 2:05.40

Jockey: Eddie Arcaro

Trainer: Horace A. "Jimmy" Jones

Owner(s): Calumet Farm

Breeder: Calumet Farm

1946, Assault

Credit: ASSOCIATED PRESS
Assault (No. 3) with Jockey Warren Mehrtens up crosses the finish line first in the Kentucky Derby on May 4, 1946. (AP Photo)

Assault holds the record for the longest winning margin in the Kentucky Derby with fellow Triple Crown winner Whirlaway, both winning the Derby by 8 lengths.

Kentucky Derby Time: 2:06.60

Jockey: Warren Mehrtens

Trainer: Max Hirsch

Owner(s): King Ranch

Breeder: King Ranch

1943, Count Fleet

Count Fleet was the longest living Kentucky Derby horse on record. He died at 33 years old.

Kentucky Derby Time: 2:03

Jockey: Johnny Longden

Trainer: Don Cameron

Owner(s): Fannie Kertz

Breeder: Fannie Hertz

1941, Whirlaway

Whirlaway is the only horse to win both the Triple Crown and Travers Stakes in the same season.

Kentucky Derby Time: 2:01.40

Jockey: Eddie Arcarco

Trainer: Ben A. Jones

Owner(s): Calumet Farm

Breeder: Calumet Farm

1937, War Admiral

Credit: ASSOCIATED PRESS
War Admiral wins the Kentucky Derby two lengths ahead of his challenger, Pompoon, at Churchill Downs on May 9, 1937.(AP Photo)

Though War Admiral won 21/26 races during his career, most people remember his decisive loss to Seabiscuit.

Kentucky Derby Time: 2:03.20

Jockey: Charles Kurtsinger

Trainer: George Conway

Owner(s): Samuel D. Riddle

Breeder: Samuel D. Riddle

1935, Omaha

After nearly 90 years, Omaha remains to be the only Triple Crown winner sired by a Triple Crown winner (Gallant Fox, 1930).

Kentucky Derby Time: 2:05.00

Jockey: Willie "Smokey" Saunders

Trainer: Jim Fitzsimmons

Owner(s): Belair Stud 

Breeder: Belair Stud

1930, Gallant Fox

After the 1930 racing season, Gallant Fox retired to stud and had a 22-year breeding career when he sired the 1935 Triple Crown winner Omaha. This made him the first U.S. Triple Crown winner to sire a second-generation Triple Crown champion.

Kentucky Derby Time: 2:07.60

Jockey: Earl Sande

Trainer: Jim Fitzsimmons

Owner(s): Belair Stud 

Breeder: Belair Stud

1919, Sir Barton

Credit: ASSOCIATED PRESS
Thoroughbred Sir Barton, winner of the 44th running of the Kentucky Derby at Churhill Downs in May 1919. (AP Photo)

Sir Barton was the first horse to win the Triple Crown. Though he was the first to win all three races in a season, his Kentucky Derby time is the slowest of all 13 Triple Crown winners.

Kentucky Derby Time: 2:09.80

Jockey: Johnny Loftus

Trainer: H. Guy Bedwell

Owner(s): J. K. L. Ross

Breeder: John E. Madden

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