Why are cushitics and nilotics good runners?

We have short torsos and long legs. But that also includes westafricans. Cushites and nilotes have the same skinny/tall bodytype. So I think that has something to do with it.


The one and only 4head
Because Somalis lived around dangerous animals and they had to outrun them. Most Somalis can't build serious gains, unlike our brothers from West Africa.