What an amazing feat by this man! I know it doesn't count as an official record because of how it was run but it's still a mind blowing feat of endurance. His time for each mile had to be 4:34 or less, essentially he had to maintain a speed of 13mph for the entire distance. Here is the breakdown of his split times. I was a little curious about how fast those times were compared to track records. He's quite a way out on the 5km and 10km records but amazingly he has beaten the