Fastest Mile Ever Ran. In modern times, 4:28 might be a good look for a younger. It would take him 17 minutes and 15 seconds to run 5 miles.
The military is one of the most comical places to hear stories of soldiers with their fastest 2 mile run stories. The iaaf is the official body which oversees the records. The guinness world records recognizes this speed as the fastest ever recorded on a horseracing track.