National Thoroughbred Racing Association
（重定向自NTRA）
The National Thoroughbred Racing Association (NTRA) is a broad-based coalition of American horse racing interests consisting of leading thoroughbred racetracks, owners, breeders, trainers and affiliated horse racing associations, charged with increasing the popularity of horse racing and improving economic conditions for industry participants. The NTRA has offices in Lexington, Kentucky., and Rye Brook, New York