- Even among top athletes, Jornet is an outlier. Take his VO2 max, a measure of a person’s ability to consume oxygen and a factor in determining aerobic endurance. An average male’s VO2 max is 45 to 55 ml/kg/min. A college-level 10,000-meter runner’s max is typically 60 to 70. Jornet’s VO2 max is 89.5 — one of the highest recorded, according to Daniel Brotons Cuixart, a sports specialist at the University of Barcelona who tested Jornet last fall. Jornet simply has more men in the engine room, shoveling coal. “I’ve not seen any athletes higher than the low 80s, and we’ve tested some elite athletes,” says Edward Coyle, director of the Human Performance Laboratory at the University of Texas at Austin, who has studied the limits of human exercise performance for three decades.
http://www.nytimes.com/2013/03/24/magaz ... wanted=all