Question

Explain why long-distance runners prefer to train at high altitude even when the race is to be held at sea level. Why must the runners spend more than a day or two at the higher elevation?

Answer 1

High altitude adaptation includes the production of more RBC's which increase the oxygen delivery capacity of the body at both high and low altitudes. The production of RBC's takes several weeks, so a few days would not provide much benefit.

Explanation: