You are uninformed about distance running my friend. There was a time not so long ago when the Scandinavians ruled the track in distance events and the Africans were not all that competitive. As a matter of fact, the current star in the mile, 3000, and 5000 is WHITE from Norway. Like most things, it goes in cycles. Not sure why, but it does. The Japanese are famous for success in the marathon. Is it because the genetically superior for that distance? Hardly. Its just really emphasized in their country much like track is emphasized in parts of Africa.