Limited edition Quarter Horse is exclusively available in 2015. The Quarter Horse is the most popular breed in the United States and played a crucial role in the American West. The Quarter Horse is descended from a mixture of different horse breeds and was named for its incredible sprinting ability at distances of a quarter mile or less. The Quarter Horse is multi-talented, excelling at farm work, racing, in performance at rodeos and horse shows. As a ranch horse, it is best known as the cowboys working mount.