BBC SPORT | Olympics | Athletics | 100m from glory

Jamaica is the 138th most populous nation in the world. At 2.65 million souls, the Caribbean island nestles between Kuwait and Mongolia in the population ladder.

It is in similar territory when it comes to national wealth.

The United States, on the other hand, is the world’s richest and third most populous country.

As neighbours go, these two live at very different ends of a very long street.

But there is one place where these two meet as equals – the running track.