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

80/20 Running: Run Stronger and Race Faster by Training Slower

So you want to run an Ultra: How to prepare for ultimate endurance

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

Run or Die: The Inspirational Memoir of the World's Greatest Ultra-Runner

Born to Run

Eat and Run: My Unlikely Journey to Ultramarathon Greatness

Running with the Kenyans: Discovering the secrets of the fastest people on earth

Daniels' Running Formula: Edition 4

Shoe Dog: A Memoir by the Creator of Nike

Runner's World Run Less, Run Faster: Become a Faster, Stronger Runner with the Revolutionary 3-Run-a-Week Training Program

Running with the Mind of Meditation: Lessons for Training Body and Mind

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

What I Talk About When I Talk About Running

Running Rewired: Reinvent Your Run for Stability, Strength, and Speed

Marathon, Revised and Updated 5th Edition: The Ultimate Training Guide: Advice, Plans, and Programs for Half and Full Marathons

Science of Running: Analyse your Technique, Prevent Injury, Revolutionize your Training

Racing Weight: How to Get Lean for Peak Performance, 2nd Edition

Meb For Mortals: How to Run, Think, and Eat like a Champion Marathoner

Runner's World Train Smart, Run Forever: How to Become a Fit and Healthy Lifelong Runner by Following The Innovative 7-Hour Workout Week