Running T-Rex Trackway Unearthed in North Dakota, a Paleontological First
TL;DR Summary
Archaeologists in North Dakota unearthed the first continuous trackway of a running Tyrannosaurus rex—four giant three-toed footprints spanning about 23 feet—from the 66-million-year-old Hell Creek Formation, found by a Colorado schoolteacher; the trace offers rare insight into T. rex locomotion and will be airlifted to the Denver Museum of Nature & Science for study.
- US archaeologists unearth first footprints of running T-Rex: ‘Incredibly rare’ New York Post
- How an Unlikely Fossil Hunter Found a Tyrannosaurus Trail National Geographic
- Four giant three-toed prints found in 2025 near Marmarth, North Dakota turned out to be the first trackway ever attributed to an adult T. rex, and the 66.5-million-year-old sequence records a 13-foot stride — the predator was strolling at 3.5 to 4.5 mph, about the Space Daily
- Massive Footprints Reveal First Ever Adult T Rex Trackway, a 66-Million-Year-old Walk Through North Dakota Good News Network
- One giant step: first known adult T rex footprints found in North Dakota The Guardian
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