Miles D is a 5 year old horse and has raced from 2020 to 2022. He was sired by Curlin out of the Bernardini mare Sound the Trumpets. He was trained by Chad Brown and has raced for Brant, Peter M. and LaPenta, Robert V., and was bred in Kentucky, United States by River Bend Farm. Miles D has raced at Aqueduct, Belmont Park, Fair Grounds, Saratoga with wins at Aqueduct, Belmont Park. His has a stakes win at the 2021 Discovery (G3).