Hunter Murphy said this quote

Jackson watched in amazement that she had convinced the driver to handle the vehicle in such a way. Tourists began taking pictures of Imogene, standing tall in the seat while the driver guided the horse with the reins. She kept her eye trained on Catfish, describing his every step as if the driver couldn’t see the runner for himself … Catfish stopped at the “T” in the road up ahead. He was heaving air, and Imogene said, “We’ve worn him out, son. Keep on him. He’s ours for the catchin’.