Imagine crossing the finish line as you complete your first marathon. You are maxed out mentally and physically; your legs are like overstretched rubber bands and your lungs are on fire. You feel like crying, but you are not sure if it is from extreme joy or pain; it’s probably both.
Then imagine doing it again five times over. For ultra-marathoner and author Dean Karnazes, a 150-mile race is just another day at the office, and he can finish a marathon before your first coffee break. “There is a saying I have, ‘there is magic in misery,’ ” Dean says. “If you have ever run a marathon, believe it or not, as bad as it was and how bad it hurt, there is magic in it. You feel more alive than at any other point in your life.”
That feeling is what keeps him on the perpetual road to finding achievement and meaning. Dean may be an extreme case, but he is a great example of what endurance,....