This is why sports science can never be ‘an exact’ science and sometimes thing happen that cannot be foreseen or determined in the lab.
Bolt defies evolution. 15 years ago, with the increments going down in the small hundreths this sort of time - 9.58 would not have been expected in our life time.
Crazy as it may seem - could there be more potential Bolts being reared in Jamaica as we speak ready to take it to another level again?
After experiencing the the thrill of watching last night’s run- I certainly hope so!