31 American Grade 1 Stakes winners

Accelerate is a retired American Thoroughbred racehorse, best known for winning the 2018 Breeders' Cup Classic. He established his reputation when defeating champion Arrogate in the 2017 GII San Diego Handicap, and prior to his Breeders' Cup success won the GI Santa Anita Handicap, GI Gold Cup at Santa Anita Stakes, GI Pacific Classic Stakes, and the GI Awesome Again Stakes. He is one of three horses from the 2013 foal crop to win the Breeders' Cup Classic, along with Arrogate in 2016, and Gun Runner in 2017.

Ack Ack was an American Thoroughbred Hall of Fame racehorse.

Affirmed was an American Thoroughbred racehorse who was the eleventh winner of the United States Triple Crown of Thoroughbred Racing. Affirmed was also known for his famous rivalry with Alydar, whom he met ten times, including in all three Triple Crown races. Affirmed was the last horse to win the Triple Crown for a 37-year period, which was ended in 2015 by American Pharoah.

Always Dreaming is a retired American Thoroughbred racehorse. He won the Florida Derby in his first graded stakes race appearance and then won the 2017 Kentucky Derby. He finished his career with a record of four wins from eleven starts, and earnings of $2,415,860.

Alysheba was an American Thoroughbred racehorse that won two legs of the Triple Crown in 1987. A successful sire, he produced 11 stakes winners.

American Pharoah is an American Thoroughbred racehorse who won the American Triple Crown and the Breeders' Cup Classic in 2015. He was the 12th Triple Crown winner in history, and in winning all four races, became the first horse to win the Grand Slam of Thoroughbred racing. He won the 2015 Eclipse Award for Horse of the Year and 2015 Champion three-year-old. He was bred and owned throughout his racing career by Ahmed Zayat of Zayat Stables, trained by Bob Baffert, and ridden in most of his races by Victor Espinoza. He now stands at stud at Ashford Stud in Kentucky.

Big Brown is a retired American Thoroughbred racehorse best known for winning the 2008 Kentucky Derby and 2008 Preakness Stakes. He suffered his only defeat in the 2008 Belmont Stakes and was later named the champion three-year-old colt of 2008.

California Chrome is an American Thoroughbred racehorse. He was named the 2014 and 2016 American Horse of the Year. He won the 2014 Kentucky Derby, the Preakness Stakes, and the 2016 Dubai World Cup. In 2016, he surpassed Curlin as the all-time leading North American horse in earnings won.

Cigar, was an American Thoroughbred racehorse. Originally campaigned on turf tracks he showed useful but unremarkable form, but he emerged as an outstanding performer when switched to racing on dirt in 1995. In 1996, he became the first American racehorse racing against top-class competition to win 16 consecutive races since Triple Crown winner Citation did so between 1948 and 1950. Cigar retired as the leading money earner in Thoroughbred racing history and was later inducted into the National Museum of Racing and Hall of Fame. After his retirement from racing he stood as a breeding stallion but proved to be infertile and was quickly retired from stud duties. He nevertheless enjoyed a long retirement at Kentucky Horse Park before dying at the age of 24.

Cloud Computing is an American Thoroughbred racehorse who won the 2017 Preakness Stakes in only his fourth start.

Court Vision is a retired racehorse who was a five-time Grade I winner including the Breeders' Cup Mile. Upon retirement to stud in 2012, he first stood in Ontario, then was moved to Kentucky for 2016 then Louisiana for 2017.

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.

Easy Goer was an American Champion Hall of Fame Thoroughbred racehorse known for earning American Champion Two-Year-Old Colt honors in 1988 and defeating 1989 American Horse of the Year Sunday Silence in the Belmont Stakes by eight lengths. Both horses were later voted into the American Hall of Fame. The victory deprived Sunday Silence of the Triple Crown. It was also the second-fastest Belmont in history, behind only the record performance of Secretariat in 1973. Easy Goer was the first two-year-old champion to win a Triple Crown race since Spectacular Bid in 1979. Easy Goer also ran the fastest mile on dirt by any three-year-old in the history of Thoroughbred racing with a time of 1:32 2⁄5, which was a second faster than Secretariat's stakes record, and one-fifth of a second off of the world record set by Dr. Fager in 1968.

Funny Cide is a Thoroughbred race horse who won the Kentucky Derby and the Preakness Stakes in 2003. He is the first New York-bred horse to win the Kentucky Derby and the first gelding to win since Clyde Van Dusen in 1929. He was an immensely popular horse and remains a fan favorite in retirement at the Kentucky Horse Park.

Gormley is a two-time Grade I winning-American Thoroughbred racehorse. One of the leading contenders on the 2017 Road to the Kentucky Derby, Gormley finished ninth in the Derby and fourth in the Belmont Stakes. He was retired in October 2017 to Spendthrift Farm, where his sire, Malibu Moon stands.

Gun Runner is a retired American Thoroughbred racehorse who was the 2017 American Horse of the Year after winning four Grade I races at age four. He retired with earnings of nearly $16 million.

Invasor is a Thoroughbred racehorse bred in Argentina by Haras Clausan. The winner of the 2005 Triple Crown in Uruguay, he was later purchased by Sheik Hamdan bin Rashid Al Maktoum, who paid approximately US$1.4 million for the horse. His two biggest wins were the 2006 Breeders' Cup Classic, in which he defeated heavily favored Bernardini and highly fancied Lava Man, and the 2007 Dubai World Cup, the world's richest horse race. He finished racing with a record of eleven wins in twelve starts and career earnings of $7,804,070. He was voted the Eclipse Award for American Horse of the Year and led the year-end World Thoroughbred Racehorse Rankings in 2006. In 2013 he was inducted into the National Museum of Racing and Hall of Fame in Saratoga Springs, New York.

John Henry was an American champion Thoroughbred racehorse. He was sired by Ole Bob Bowers out of Once Double. John Henry had 39 wins with $6,591,860 in earnings, was twice voted the Eclipse Award for Horse of the Year, and was listed as #23 on Blood Horse magazine's Top 100 U.S. Racehorses of the 20th Century.

Lava Man is an American Thoroughbred racehorse who was once claimed for $50,000 but wound up being inducted into the National Museum of Racing and Hall of Fame in 2015. In a forty-seven race career, despite finishing off the board while losing all 5 of his races outside California, he won seventeen times with his major victories including three Hollywood Gold Cups, two Santa Anita Handicaps and the Pacific Classic Stakes.

Nyquist is a retired American Thoroughbred racehorse, winner of the 2016 Kentucky Derby. He also won the 2015 Breeders' Cup Juvenile, becoming only the second horse to complete the Juvenile-Derby double. He became the eighth undefeated winner of the Kentucky Derby, and the first since Big Brown in 2008. He received the 2015 Eclipse Award for Champion Two-Year-Old.

Pine Bluff was an American Thoroughbred racehorse. Bred and raced by John Ed Anthony's Loblolly Stable, he was a son of Danzig and grandson of the 20th century's most important sire in the United States, Northern Dancer. His dam, Rowdy Angel, was a daughter of two-time North American Champion sire Halo.

Rachel Alexandra is a retired American Thoroughbred racehorse and the 2009 Horse of the Year. When she won the 2009 Preakness Stakes, the second leg of the Triple Crown, she became the first filly to win the race in 85 years. She also won races in six states, on eight different tracks, against fillies and Grade 1 colts and older horses, achieving a long string of consecutive wins including numerous Grade 1 stakes. Rachel Alexandra neared or broke multiple stakes records, track records and winning margin records throughout her career. On September 28, 2010, owner Jess Jackson announced Rachel Alexandra's retirement. She was bred to 2007–2008 Horse of the Year Curlin and delivered a colt on January 22, 2012.

Rachel's Valentina is a retired American Thoroughbred racehorse, best known for being the second foal out of the 2009 Horse of the Year Rachel Alexandra. She is also known for winning the grade I Spinaway Stakes as a two-year-old.

Real Quiet was an American Champion Thoroughbred racehorse. He was nicknamed "The Fish" by his trainer due to his narrow frame. He is best remembered for winning the first two legs of American Triple Crown: the Kentucky Derby and the Preakness Stakes. His loss in the third leg, the Belmont Stakes, was the smallest margin of defeat ever at only four inches.

Rock Hard Ten is an American thoroughbred racehorse and sire. Co-owned and bred by Madeleine Paulson, widow of Allen E. Paulson, the dark bay horse stands over 17 hands. He was sired by Kris S., out of the Mr. Prospector mare Tersa.

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.

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".

Silver Charm is an American Champion Thoroughbred race horse. Trained by Bob Baffert and ridden by Gary Stevens, he is best known for winning the 1997 Kentucky Derby and the Preakness Stakes in the Triple Crown. He also won the Dubai World Cup, and stood at stud in both America and Japan. Upon the death of Hansel, Silver Charm became the oldest living winner of the Preakness Stakes.

Smarty Jones is a thoroughbred race horse and winner of the 2004 Kentucky Derby and Preakness Stakes. He finished second in the Belmont Stakes on June 5, 2004.

Spectacular Bid was an American Thoroughbred race horse. In a racing career which lasted from 1978 through 1980, Spectacular Bid won 26 of 30 races, set several track records and earned US$2,781,607, a then-record sum. He won Eclipse Awards in each of his three seasons.

Sunday Silence was an American-bred Thoroughbred racehorse and Sire. In 1989, he won the Kentucky Derby and the Preakness Stakes but failed to complete the Triple Crown when he was defeated in the Belmont Stakes. Later in the same year, he won the Breeders' Cup Classic and was voted American Champion Three-Year-Old Colt and American Horse of the Year. Sunday Silence's racing career was marked by his rivalry with Easy Goer, whom he had a three to one edge over in their head-to-head races. Easy Goer, the 1988 American Champion Two-Year-Old Colt finished second to Sunday Silence in the Kentucky Derby by 2 1⁄2 lengths and the Preakness by a nose then in the Breeders' Cup Classic by a neck. Easy Goer prevailed by eight lengths in the Belmont. Both horses were later voted into the American Hall of Fame.