A five-gaited horse "racks". Single foot is slower and faster is racking. Now, I always heard it was a man-made gait. Not I am not so sure. Can get very confusing with so many breeds that do different types of gaits.
A five-gaited horse "racks"....Now, I always heard it was a man-made gait... A rack in a 5-gaited horse (aka Americal Saddlebred) IS man-made. It has to be taught. It is in-born in the breed "Racking Horse", and in Tennessee Walkers, Rockey Mountain Horses, Kentuckey Mountain Horses and others I'm sure.