How long does it take to become adapted to altitude?

Sea level athletes often move up to altitude to gain performance benefits. But how long does it really take to become adapted to these higher altitudes?
Created by Stephen Cheung, Ph.D., Director of the Environmental Ergonomics Lab and Professor at Brock University ( / eelbrock .
Papers discussed:
Brothers MD, BK Doan, MF Zupan, AL Wile, RL Wilber, WC Byrnes. Hematological and physiological adaptations following 46 weeks of moderate altitude residence. High Altitude Medicine and Biology. 11(3):199-208, 2010.
Graphic created using BioRender.com. Photo from Spring Fed Images on Unsplash