Always possible to go faster but some records can never be beaten
The fastest time taken to run a mile was recorded on 7 July 1999 in Rome by Moroccan middle-distance runner Hicham El Guerrouj. Considered by many to be the greatest middle-distance runner of all time, El Guerrouj set the mark at 3:43.13… an incredible 16 seconds faster than the mile had been covered 45 years…