There was a display at an airport I read about. Had a projector showing the average speed for a champion marathon runner. Most normal people couldn't match it o

There was a display at an airport I read about. Had a projector showing the average speed for a champion marathon runner. Most normal people couldn't match it over the short distance. Couldn't find the link but here is a similar video of people (mostly amateur runners) trying to match a 2h marathon time for two minutes: https://www.youtube.com/watch?v=SRYtn0j5ccA https://www.youtube.com/watch?v=SRYtn0j5ccA