Yijoo Kwon, super stud

In 1996, Yijoo Kwon faced a choice: get in shape, get injections, or die. He was 50 years old and had just been diagnosed with diabetes. But rather than opting for insulin injections, Yijoo began running. At an age when most men are giving up on exercise, Yijoo rapidly trimmed off weight, got his blood sugars under control, and transformed himself into an unstoppable ultrarunner. Since then, he's tackled some of the baddest challenges in the sport, like the Leadville and Western States...