Rich is joined by David Roche, who broke the Leadville 100 record in his first ultramarathon through revolutionary training methods & scientific precision.

The Rich Roll Podcast

The Mad Scientist Of Ultra-Endurance: David Roche’s Hyper-Precise Experiment That Broke The Leadville 100 Record

A master-class in personal and professional development, ultra-athlete, wellness evangelist and bestselling author Rich Roll delves deep with the world's brightest and most thought provoking thought leaders to educate, inspire and empower you to unleash your best, most authentic self. More at: http://richroll.com