When judging the fittest men of all-time, Men’s Health decided on a few caveats. Fitness, as we define it, isn’t just about abs and muscle tone and obscure measurements like V02 Max—but that’s all part of it, of course. Fitness is also about what you do with the body you’ve built.
Better yet, Phelps didn’t win on talent alone. His workouts were the stuff of Olympic legend. As he told Men’s Health.