Question

Why would endurance athletes like marathon runners and triathletes want to train at higher altitudes?

Your response should be 3-5 sentences long and show that you've thought about the topic/question at hand.

Answer 1

They tend to train at higher altitudes because it makes it easier when there at lower altitudes. When you train at higher altitudes they acquire more red blood cells which lets there body carry more oxygen. Then when they go to compete at lower altitudes it gives your muscles a natural boost.