301 articles
Rose Kingdom
Rose Kingdom (ローズキングダム) is a Japanese Thoroughbred racehorse and stallion, foaled in 2007, who won the 2009 Asahi Hai Futurity Stakes and the 2010 Japan Cup.
Ruby Walsh
Ruby Walsh (Rupert Walsh, born 1979) is a retired Irish National Hunt jockey, son of Ted Walsh; 2,756 career winners, record 59 Cheltenham Festival winners, 12 Irish titles, two Grand Nationals, retired May 2019.
Rulership (ルーラーシップ) (horse)
Rulership (ルーラーシップ), Japanese Thoroughbred racehorse and Shadai stallion, foaled 2007 by King Kamehameha out of Air Groove; won 2012 Hong Kong QE II Cup (G1); sire of Kiseki, Soul Rush, Redentor.
Ryan Moore (jockey)
Ryan Moore (born 1983, Brighton) is an English Flat jockey, three-time British champion (2006, 2008, 2009) and Aidan O'Brien's first-choice rider at Ballydoyle, with four Epsom Derby wins, five Breeders' Cup Turf titles, and four Longines World's Best Jockey awards.
Sakura Bakushin O (サクラバクシンオー)
Sakura Bakushin O (サクラバクシンオー), Japanese sprinter 1992-1994; 11 wins in 21 starts, all at 1400 m or less; back-to-back Sprinters Stakes G1 wins 1993-94, record 1:07.1; sire of Grand Prix Boss.
Sakura Chiyono O
Sakura Chiyono O (サクラチヨノオー), Japanese Thoroughbred colt foaled 1985 by Maruzensky; won 1987 Asahi Hai Sansai Stakes and 1988 Japanese Derby in record 2:26.3; sire of 445 foals, no G1 winner.
Sakura Laurel (サクラローレル)
Sakura Laurel (サクラローレル), Japanese racehorse foaled 1991 by Rainbow Quest; 1996 Horse of the Year, won Tenno Sho Spring and Arima Kinen; 9 of 21 wins; later stallion.
Santa Anita Park
Santa Anita Park, opened December 25, 1934 in Arcadia, California, is a major Thoroughbred racetrack with an Art Deco Gordon Kaufmann grandstand, home of the Santa Anita Derby and Handicap, a WWII Japanese American assembly center, and site of the 2019 horse-fatality crisis and later safety reforms.
Saratoga Race Course
Saratoga Race Course, opened August 3, 1863 in Saratoga Springs, NY, is the oldest active sporting venue in the United States; home of the Travers Stakes, operated by NYRA, and temporary host of the Belmont Stakes 2024-2026.
Satono Reve (サトノレーヴ)
Satono Reve (サトノレーヴ), Japanese sprinter foaled 2019 by Lord Kanaloa, owned by Hajime Satomi, trained by Noriyuki Hori; twice won the Takamatsunomiya Kinen and placed in Hong Kong and Royal Ascot Group 1 sprints.
Seabiscuit
Seabiscuit, Depression-era American Thoroughbred racehorse (foaled 1933, by Hard Tack), beat War Admiral in the 1938 Pimlico Special match race, was 1938 Horse of the Year, and won the 1940 Santa Anita Handicap.
Seabiscuit (film)
Seabiscuit (2003) is Gary Ross's sports drama based on Laura Hillenbrand's book, starring Tobey Maguire, Jeff Bridges, and Chris Cooper; it grossed $148.3 million and earned Best Picture and Best Film Editing Oscar nominations.
Seattle Slew
Seattle Slew (1974-2002), American Thoroughbred, 10th Triple Crown winner (1977) and the first to win it undefeated; Horse of the Year 1977, champion sire of A.P. Indy, distinct from Secretariat and Affirmed.
Secretariat (film)
Secretariat (2010) is a Walt Disney Pictures sports drama directed by Randall Wallace, starring Diane Lane as owner Penny Chenery and John Malkovich as trainer Lucien Laurin, dramatizing the 1973 Triple Crown; noted for liberties from William Nack's book.
Secretariat (horse)
Secretariat (1970-1989), "Big Red," American Triple Crown-winning racehorse by Bold Ruler out of Somethingroyal; set still-standing records in the 1973 Derby, Preakness, and Belmont, winning the Belmont by 31 lengths in 2:24.
Seiun Sky (セイウンスカイ)
Seiun Sky (セイウンスカイ), Japanese grey Thoroughbred racehorse and sire (1995–2011), dual 1998 classic winner of the Satsuki Sho and Kikuka Sho; 7 wins from 13 starts, rival of Special Week and King Halo, bred by Nishiyama Stud.
Sha Tin Racecourse (沙田马场)
Sha Tin Racecourse (沙田马场) is Hong Kong's principal horse racing venue, opened in 1978, seating more than 80,000 and hosting all 12 of Hong Kong's Group 1 races.
Sierra Leone (horse)
Sierra Leone, 2021 dark bay colt by Gun Runner out of Heavenly Love, $2.3 million yearling, won 2024 Breeders' Cup Classic and Whitney, 2024 champion 3-year-old male, trained by Chad Brown, retired to stud for 2026.
Sirius Symboli (シリウスシンボリ)
Sirius Symboli (シリウスシンボリ, 1982–2012) was a Japanese Thoroughbred who won the 1985 Japanese Derby by three lengths, then ran 14 winless races in Europe including the 1986 Arc, and later sired 120 winners.
Sky Sports Racing
Sky Sports Racing: British horse racing TV channel launched 1 January 2019, replacing At The Races; operated by At The Races (Sky/ARC joint venture), reaching 14 million homes, rights to 25 UK racecourses plus US, Australian and French racing.
Smart Falcon (スマートファルコン)
Smart Falcon (スマートファルコン) is a Japanese Thoroughbred racehorse and stallion, foaled in 2005, who won 23 of 34 dirt starts, including back-to-back JBC Classics, and raised the profile of Japanese dirt racing.
Somethingroyal
Somethingroyal (1952-1983), American Thoroughbred broodmare by Princequillo out of Imperatrice, unraced winner; dam of Triple Crown winner Secretariat and sire Sir Gaylord; 1973 Kentucky Broodmare of the Year.
Sovereignty (horse)
Sovereignty (foaled 22 Feb 2022), Godolphin's Into Mischief colt trained by Bill Mott, won the 2025 Kentucky Derby and Belmont Stakes plus the Travers, was named 2025 Horse of the Year, and won the 2026 Whitney Stakes.
Special Week
Special Week (スペシャルウィーク) was a Japanese Thoroughbred racehorse by Sunday Silence who won the 1998 Japanese Derby, and in 1999 the two Tenno Sho races and the Japan Cup.
St Leger Stakes
St Leger Stakes, Britain's oldest Classic horse race, first run 24 September 1776 at Doncaster; Group 1 over 1m6f115y for three-year-old colts and fillies, final leg of the British Triple Crown, last won by Nijinsky in 1970.
Standardbred
Standardbred, American harness racing horse breed, trotters and pacers pulling a sulky; named for the 1879 2:30-mile registration standard, founded on Messenger and Hambletonian 10 (foaled 1849).
Stanley Dancer
Stanley Dancer (1927-2005), American harness racing trainer-driver from New Egypt, New Jersey; trained and drove Triple Crown winners Nevele Pride, Most Happy Fella, and Super Bowl, won five Hambletonians, and had seven Horses of the Year.
Steeplechase (horse racing)
Steeplechase, also called jump or National Hunt racing, is Thoroughbred horse racing over fences, ditches, and water jumps. It began with Ireland's 1752 Buttevant-Doneraile race and includes the Grand National.
Steve Cauthen
Steve Cauthen, American jockey from Covington, Kentucky; 1978 Triple Crown winner on Affirmed at 18; three-time British champion jockey; only rider to win both the Kentucky and Epsom Derbys; retired at 32 with 2,794 winners.
Still in Love (スティルインラブ) (horse)
Still in Love (スティルインラブ), 2000-2007 Japanese Thoroughbred filly by Sunday Silence; second filly ever to win the fillies' Triple Crown (2003 Oka Sho, Yushun Himba, Shuka Sho), 2003 Best Three-Year-Old Filly; died 2007 leaving one foal.