The Racking Horse is horse breed derived from the Tennessee Walking Horse recognized by the USDA in 1978. It is known for a distinctive singlefoot gait. The breed has its own organization the Racking Horse Breeders' Association of America http:--www. rackinghorse. com- headquartered in Decatur AL. Its goal is to preserve the breed in a natural state with little or no artificial devices that enhance gait. The horse's tail is naturally raised without nicking.