Ultramarathoner Scott Jurek (vegan): The Quiet Secrets of Endurance, Part 1 of 2

The first time I ran my first ultramarathon, I thought that was the hardest thing I’d ever done and never again. But I keep going back, and this is my 16th year of running ultras. And for me, it’s about self-exploration and going beyond, seeing what I can accomplish at the end of the day after running 100 miles (~161 kilometers).