Could You Outrun a T Rex? With David Hone #shorts #sciencelecture #dinosaurs

Royal Institution
Royal InstitutionMar 19, 2026

Why It Matters

Revealing the T. rex’s efficient, high‑speed gait revises its ecological role and guides both scientific research and public perception of dinosaur locomotion.

Key Takeaways

  • Dinosaur foot structure reduces energy loss during locomotion.
  • Middle metatarsal fusion creates a rigid, efficient running foot.
  • Long-legged, light-built theropods were built for endurance running.
  • T. rex likely matched Olympic sprinter speeds over sustained distances.
  • No realistic scenario allows humans to outrun a full-size T. rex.

Summary

The video examines how a distinctive foot structure in theropod dinosaurs, especially the Tyrannosaurus rex, enabled efficient locomotion. By focusing on the reduction of the central metatarsal, the presenter explains how this anatomical tweak transformed the foot into a single, rigid block.

In most carnivorous dinosaurs the three metatarsals form separate running toes, but in certain lineages the middle bone diminishes, locking the outer two together. This rigidity minimizes bone flexion, reduces energy loss, and allows ligaments to act like springs, granting long‑distance runners a mechanical advantage. Coupled with long legs, a light build, and a relatively short femur, these traits produce both speed and stamina.

The speaker notes that despite its massive six‑ton frame, a full‑size T. rex could reach speeds comparable to an Olympic sprinter, though it was not a pure sprinter but an endurance athlete. He emphasizes, “You could not outrun this animal. No chance,” underscoring the dinosaur’s sustained velocity.

Understanding this biomechanical adaptation reshapes how paleontologists reconstruct predator behavior, informs biomechanical modeling, and even inspires efficient leg designs in robotics. It also challenges the popular image of the T. rex as a slow, lumbering beast, highlighting its surprising agility.

Original Description

How did the Tyrannosaurus Rex and it's kind come to dominate their prehistoric world? Palaeontologist Dr David Hone explores the evolution, ecology and behaviour of these amazing dinosaurs, and explains what Jurassic Park got wrong.
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David's book "The Tyrannosaur Chronicles: The Biology of the Tyrant Dinosaurs" is available to buy now - https://geni.us/VItWu
David Hone is a palaeontologist and writer whose research focuses on the behaviour and ecology of the dinosaurs and their flying relatives, the pterosaurs. He writes extensively online about palaeontology and science outreach, blog for the science pages of The Guardian, and has recently written a book about tyrannosaurs: The tyrannosaur chronicles.
This talk was filmed at the Ri on 20 April 2017.
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