Horse racing,Horse,Standardbred horse,Jockey,Chariot racing,Horse breeding,Equestrianism,Gambling,Harness racing,Bookmaker,Conditions races,Point to point (steeplechase),Thoroughbred,Thoroughbred horse race,Parimutuel betting,Betting exchange,Mathematics of bookmaking,Horseracing in Great Britain,American Quarter Horse,La Troienne,Breeders' Cup,Melbourne Cup, Grand Prix de Paris,National Hunt racing,Triple Crown of Thoroughbred Racing,Cruelty to animals