wellnow wrote:
It's all in the training.
That's a good comment to bring the conversation back around. So, all human beings, have the ability to adapt to altitude. The degree of adaptation is variable (some white guy from Kansas can climb Mt. Everest without oxygen, and some Himalayans get altitude sickness above 25,000 feet).
There is enough variation in all human populations that whatever skin color your group of choice has, your group is going to have some freaks of nature (both freakishly fast, in terms of running ability, and freakishly untalented, like, "Are you SURE you're Ethiopian?")
The only way to bring these 'freaks' to the front of the line is through some incentive system. In pre-historic terms, this may have been something like the fast runner eats, the slow runner doesn't. The incentive system can be made more efficient (for large populations) by employing some social organization, sport, for example, to identify those people with the maximal skills for hunting over long distances, again, for example, which helps the group of individuals eat in larger numbers, permitting more individuals to survive. Etc, for example, for example.
Of course, I'm bending this example suit my needs. But here goes. Our system (U.S.) incentivizes speed, even for those people who have a very wide range (Alan Webb is again a perfect example: 47.x 400m to 27:34 10000m). Our method of identifying individuals pushes everyone toward sprint events being better. Even if we have the same amount of genetic variation as every other group on Earth, we have a very poor system for identifying those people with the ability we are looking for.
Ethiopia has the opposite situation. There is a tremendous economic and social incentive in place that encourages a larger percentage (much larger than the U.S. anyway) of the population to pursue the longer distance races regardless of how fast the individual is. Out of ten 47 second 400m athletes in Ethiopia, none may ever run faster than 15:00 for 10000 meters. The difference is all ten of them have an incentive to TRY, and an organizational regime that gives them the best opportunity to try.
That's been my point all along, and I think this is the clearest I have made it so far. It's not so much a question of whether a sub-50 400m runner WILL become a world class distance runner if they are trained properly--it's clear that still, very few will. It's more a question of if we trained ENOUGH of those runners, if we increased the numbers of ATTEMPTS to train 10 times the number of sub-50 400m runners that we do today, knowing that we have the same genetic variation as every other group of people on Earth, do you believe we would find an Asian Bekele, a Bolivian Bekele, a Russian Bekele, or an American Bekele?