Cardigan Bay was a New Zealand harness racing pacer foaled 1 September 1956. Affectionately known as "Cardy", he was the first Standardbred to win US$1 million in prize money in North America. He was the ninth horse worldwide to win one million dollars,. Cardigan Bay won races in New Zealand, Australia, Canada and the United States.

The Standardbred is an American horse breed best known for its ability in harness racing where they compete at either a trot or pace. Developed in North America, the Standardbred is recognized worldwide, and the breed can trace its bloodlines to 18th-century England. They are solid, well-built horses with good dispositions.