For decades, the speed of racehorses and dogs has stagnated. But humans keep getting faster. On the 60th anniversary of the first time a human ran a mile in under four minutes, we ponder why.

“A Faster Human: Are We Unique In Our Ability To Get Better?”

We’d also like to spend a moment celebrating some lesser-known, far more nauseating, mile-long achievements.

“On Your Mark, Get Set, No! A List Of Inadvisable Ways To Run A Mile”