Manor Downs was a horse racetrack located outside Manor, Texas, United States. It is Texas's oldest pari-mutuel horse racetrack. Live racing in the Spring features both quarter horse and thoroughbred racing. Simulcast racing is shown year round.Frances Carr and Sam Cutler began development of Manor Downs in 1975 on 44 acres (180,000 m2) of land that had an old horse race track on it.