Where is the racism?
Hockey players are mostly white, mostly white kids play hockey growing up and they play in the most competitive programs.
NFL is mostly black, some of the most competitive middle schools-college are down south in predominately black areas of the country.
Soccer- our blacks and white cant compete against Europe and South America because of course the game isn't played as widely here. Take Americas best black and white athletes and get them to play soccer from the ages of 3 until they are old enough for WC. We would certainly have a chance.
Swimming? Really?? Use your brain what percentage of whites make up swim teams vs. blacks?
Genetics vary on an individual basis, to group together entire races and compare them is sloppy at best.