The American Standardbred, also known simply as the Standardbred, is a distinguished horse breed originating in the United States during the 19th century. Developed primarily for harness racing, their name derives from the “standard” time they must achieve to be registered, typically a mile within a set time. Physically, Standardbreds are solid and muscular, standing between 14.2 and 16 hands high, with strong legs, a deep chest, and a slightly longer back than Thoroughbreds. They come in various solid colours including bay, black, and chestnut. Their temperament is calm, sensible, and willing, making them exceptionally suitable not only for racing but also for pleasure driving, trail riding, and therapeutic riding. Known for their stamina and speed at trot or pace, they are also valued for their versatility beyond the racetrack. In the UK market, interest in Standardbred horses for sale, particularly mares and broodmares, reflects their rising popularity among amateur riders and those seeking a reliable and steady equine companion.