Every time we see a “world’s best” sport performance it’s tempting to think it will never be bettered.
Not so.
Bolt is an outlier.
The World’s fastest man will not be the fastest ever.

As astonishing as Usain Bolt’s record-breaking 100-meter sprint was, his time of 9.69 seconds is nowhere near what biostatisticians predict is the natural limit for the human body. …
Wired Science – Bolt Is Freaky Fast, But Nowhere Near Human Limits
