Obviously, in 100,000 years, isolated populations may indeed evolve specific traits...especially physical ones to cope with climate and environment. Iniut people are more resistant to cold...etc.

Similarly, we know that other mammals have quite different traits...even among those which can interbreed. Pit Bulls and Dobermans DO have higher 'tendencies' toward antagonistic behavior than Labradors or Cocker Spaniels. And Border Collies don't just perform well at sheep herding because they are handy...they are widely reknowned for their intelligence.
   *IF* there are such differences among humans, they are not nearly as significant, as some members of almost any group can fit into the top echelons of almost any study. I suppose we 'could' design tests to find out for sure, but why bother? We purport to admire and celebrate individual rights and achievements, no matter what group they come from...so why even try to rank their ethnic group in those ways? Rather, we should strive to make opportunity fair, so that anyone from any group will have the chance to achieve whatever potential they have.

   We have all seen what spurious 'scientific' studies have done to spread prejudice and unfairness in the world...I can see no benefit to showing that any human trait is better represented by a particular group...but some will keep trying, especially in athletic realms.