Thoroughbred race horses. Located in the cool mountain valleys of Utah, Zimmerman Farms offers the best in thoroughbred racehorse care. We are a state-of-the art equine facility. Our Staff keeps the farm immaculately maintained and provides the very best care for the horses. Stallions: Cromwell and Fileaway. Horses for sale,Broodmares, weanlings, yearlings, horses of racing age. Breaking, training, sales prep.