“We have recently hypothesized that the optimal approach to altitude training would be to acclimatize to altitude, but train as close to sea level as possible thereby maximizing running speed and maintaining aerobic fitness,” Drs. Jim Stray-Gundersen and Benjamin Levine wrote in a landmark 1992 paper in the International Journal of Sports Medicine. The pair, who then worked at the University of Texas, were trying to answer the question of whether altitude training was truly...
