From my understanding and I am no geneticist there are 6 major races and all the races fall under the following major racial groups.
Sub-Saharan African
Indo-European
East Asian
South Asian
Aboriginal
Native American
A common misconception is that all Kenyans have good genetics for distance running. Kenyans success in distance running comes from 4 main tribes in Kenya (Kikuyu, Kambia, Kissi, Kalenjin. )75% of Kenyans international runners come from one particular tribe the Kalenjin which represents 10% of population. Overall in Kenya there are 40 tribal groups therefore statistically its really one main tribe that produces phenomenal success in distance running.
I suggest a similar phenomen exist within West African origin athletes. It probably could be traced to few main tribal groups in West Africa. We know the long history of deporting slaves from West Africa and it would be apparent that tribal groups with the strongest would be first option for the slave trade.
I am willing to accept the argument that certain tribal groups within a race could have genetic traits that are advantageous to sport but in no way I am willing to accept that entire race/region can inherent these same traits. That’s why statements like Kenyans are better distance runners or West African origin athletes make better sprinters -are misleading. Its only small tribal groups within the main racial group that inherent these traits for distance or sprint running.