Born to Run: The hidden tribe, the ultra-runners, and the greatest race the world has never seen

Finding Ultra, Revised and Updated Edition: Rejecting Middle Age, Becoming One of the World's Fittest Men, and Discovering Myself

Shoe Dog: A Memoir by the Creator of Nike

The Rise of the Ultra Runners: A Journey to the Edge of Human Endurance

Advanced Marathoning: Third Edition

Born to Run 2: The Ultimate Training Guide

Hal Koerner's Field Guide to Ultrarunning: Training for an Ultramarathon, from 50K to 100 Miles and Beyond

Running with Sherman: The Donkey with the Heart of a Hero

Run Faster from the 5K to the Marathon: How to Be Your Own Best Coach

Hardest Geezer: Mind over Miles

Let Your Mind Run: A Memoir of Thinking My Way to Victory

Relentless Forward Progress: A Guide to Running Ultramarathons

Run for Your Life: How to Run, Walk, and Move Without Pain or Injury and Achieve a Sense of Well-Being and Joy

The Pursuit of Endurance: Harnessing the Record-Breaking Power of Strength and Resilience

The New Rules Running: Five Steps to Run Faster and Longer for Life

50/50: Secrets I Learned Running 50 Marathons in 50 Days -- and How You Too Can Achieve Super Endurance!

Bravey: Chasing Dreams, Befriending Pain, and Other Big Ideas

Run the Mile You're In: Finding God in Every Step

Running Free

Running the Dream: One Summer Living, Training, and Racing with a Team of World-Class Runners Half My Age