In 1997, Outside Magazine crowned triathlete Mark Allen “the fittest man on Earth.” Let us just assume for a moment that this famous six-time winner of the IronMan Triathlon is the fittest of the fit. Then what title do we bestow on the decathlete Simon Poelman, who also possesses incredible endurance and stamina yet crushes Mr. […]

For years, the fitness industry has been churning out products that collect data. Millions of people have used them to count their steps, measure their water intake, track their vital signs. But for many people, all those numbers don’t add up to better fitness. Some don’t know how to put the information they’re seeing to […]