The first known T. rex track of footprints stretches over 23 feet in North Dakota's Hell Creek Formation, with four massive prints revealing how the predator walked on Earth.
https://www.foxnews.com/travel/t-rex-footprints-unearthed-first-ever-discovery-66-million-years-creature-walked-earth
https://www.foxnews.com/travel/t-rex-footprints-unearthed-first-ever-discovery-66-million-years-creature-walked-earth