Is it fair though? Is it supported by metrics of muscle strength and length etc? And does it take into account the differences between blacks (Africans?), west vs south vs central (pygmies!).
Also, there's the possibility that whites of equivalent athleticism find better options for their life than being a professional sportsmen, the bottom 80% [1] of whom end their career at 30 with little to show for it but lifelong injuries.
[1] made up statistic.