12 2013 racehorse deaths

Fasliyev was a retired Thoroughbred racehorse and active sire who was bred in the United States and trained in Ireland. He was the highest-rated European two-year-old of 1999 and was named European Champion Two-Year-Old at the Cartier Racing Awards. He retired undefeated in five races after suffering a training injury when being prepared for the Dewhurst Stakes. He died in Japan at sixteen years.

Generous was an Irish-bred, British-trained Thoroughbred racehorse who in 1991 won both the Epsom and the Irish Derby. As a two-year-old he won three of his six races, most notably the Dewhurst Stakes as a 50/1 outsider. He finished fourth in the 2000 Guineas on his three-year-old debut, but showed vastly improved form when moved up to longer distances in summer. In a period of seven weeks he won the Derby by five lengths, the Irish Derby by three lengths and the King George VI and Queen Elizabeth Stakes by a record seven lengths. His performances established him as one of the outstanding British racehorses of his era. After running poorly in the Prix de l'Arc de Triomphe he was retired to stud, where his record was disappointing.

Heavenly Prize was a champion American Thoroughbred racehorse. She was a Grade I winner at ages two, three and four, and never finished out of the money. She was named the American Champion Three-Year-Old Filly of 1994 after winning the Alabama, Gazelle and Beldame Stakes, plus finishing second in the Breeders' Cup Distaff. Her four-year-old campaign was equally noteworthy, with wins in the Apple Blossom, Hempstead, Go for Wand and John A. Morris. She was inducted into the National Museum of Racing and Hall of Fame in 2018.

Helissio (1993–2013) was a Thoroughbred racehorse sired by Fairy King and a grandson of Northern Dancer. Owned by the Spanish businessman Enrique Sarasola, he was voted the European Horse of the Year for 1996

Ina Scot was a Swedish racing trotter by Allen Hanover out of Lovina Grefgård by Mad Scot.

Joie de Vivre was a Japanese Thoroughbred racehorse. As a two-year-old in 2011 she was rated the best filly of her generation in Japan, after winning both of her races including the Hanshin Juvenile Fillies. In the following spring she ran third in the Tulip Sho and sixth in the Oka Sho before her season was curtailed by injury. She returned in 2013 but failed to win, with her best effort coming on her final start when she finished a close fourth in the Victoria Mile. She died later that year.

Katchit was an Irish-bred, British-trained Thoroughbred racehorse, the peak of whose flat racing and hurdling career came in 2008 when, against the odds, he won the Champion Hurdle at the Cheltenham Festival. Katchit was a moderate flat racer, winning only once in sixteen races. In his first two seasons as a hurdler however, he showed great improvement, winning ten times between September 2006 and March 2008. He won the Triumph Hurdle in 2007 and the Championship a year later. No Triumph Hurdle winner had gone on to win the Champion Hurdle since Kribensis in 1990, and 73 five-year-olds had been beaten in the race since See You Then registered the last five-year-old success in 1985. His later career was affected by injury and he never won again.

Kazzia was a German-bred Thoroughbred racehorse, who was trained in Germany, the United Arab Emirates and the United Kingdom. In a racing career which lasted from September 2001 until October 2002 she ran seven times and won five races in four different countries. She is best known for successfully completing the Classic double of the 1,000 Guineas and the Oaks. She was the first German-bred horse to win a British Classic. After her retirement from racing she became a successful broodmare. Kazzia died in March 2013 from post-foaling complications.

Ourasi was a chestnut French Trotter. He earned $2,913,314 during his career. His harness racing victories included three consecutive Prix d'Amérique at Vincennes, the second by approximately 18 lengths. Ourasi is considered by many to be the Horse of the Century. He won more than 50 consecutive races. Jean-René Gougeon, his trainer and driver, won the "Prix d'Amérique" with Ourasi 3 times. Ourasi won the "Prix d'Amérique" a fourth time with Minou Gougeon, the brother of Jean René Gougeon, who had had a stroke.

Selkirk was an American-bred Thoroughbred race horse and sire who raced mainly in Europe. Bred in Pennsylvania and owned by American philanthropist businessman George W. Strawbridge Jr., he was trained by Ian Balding. At the end of 1991, his third year, he had a record of 3-1-2 out of seven starts. In total, he had won six of his 15 starts. He retired from racing in 1993 and began his stud career at Kirsten Rausing's Lanwades stud farm in Newmarket, England, where he sired 92 stakes winners from 987 foals. He died on January 3, 2013, at the age of 25.

Summer Bird was a champion American Thoroughbred racehorse, son of 2004 Belmont Stakes winner Birdstone. He was bred by retired cardiologist Kalarikkal Jayaraman and his wife, retired pathologist Vilasini Jayaraman, at their Tiffany Farm near Ocala, Florida. On June 3, 2010, Summer Bird was retired due to complications of a previous injury.

Tokai Teio was a Japanese thoroughbred racehorse.