About
Ultra-marathon runner who ran 50 marathons in 50 states on 50 consecutive days in 2006. That same year he published the popular book Ultramarathon Man: Confessions of an All-Night Runner.
Before Fame
He hiked rim-to-rim across the Grand Canyon at the age of 11.
Trivia
In 2007, he won the Best Outdoor Athlete award at ESPN's ESPY award ceremony.
Family Life
He and his wife Julie Karnazes have two children.
Associated With
He was photographed with billionaire entrepreneur Richard Branson in 2017.
