Is It Possible to Run a Marathon in Under 2 Hours?
How fast can we run a marathon? It’s a question that has challenged us for thousands of years, and now scientists are working with elite athletes and trainers to attempt the impossible: completing the 26.2-mile journey in under two hours. In this animated video, learn how the human body evolved to be able to cover long distances at high speeds—and about the techniques that will help us get even faster. For more about the ongoing mission to achieve this seemingly impossible milestone, check out Breaking2 on National Geographic.
