Why are whites fast in the football pitch, but not in events like the 100m?

[SadLivwr]

That little bit is around 1.5% - that means in a 100m sprint race being ahead the second guy by 1.5m, a pretty obvious win.

There should be more niggers on it anyway if there were much faster than whites like in the 100m, but they aren't as seen where there are more whites, plus in other leagues, whites hold the record