Standardbreds are a breed of horse best known for their ability to race in harness at a trot or pace instead of under saddle at a gallop. Developed in North America, the breed's now recognized worldwide for its harness racing ability. They're solid, well-built horses with good dispositions that're also used under saddle for a variety of equestrian activities, particularly in the Midwest and eastern United States. Breed History In the 17th century, the first trotting races were held in the Ameri… (More on Standardbred)