One has to run under 10 seconds in order to be part of the world's best.

Right now, the world record for running 100 m is just under 10 seconds.

But then, with under 15 seconds left in the game, the incredible happened.

We need to have at least one more person running 400m under 45 seconds.

I don't think that anyone has run under 49 seconds until now.

Any late quarter under 25 seconds is considered a good one.

Now here I was in the greatest race of all time, with four men under ten seconds.

And no one else has run under 10 seconds this year.

"I've said I wanted a world record but not to run four times under 22 seconds."

He was the first man to run the event under 49 seconds.