What It's Like to Run an Ultramarathon: The Stages of Suffering

Wonder what it's like to run an ultramarathon? Our editor ran 100-mile and 100K races to find out what it's like to run an ultra.

Ultramarathon Man Dean Karnazes On the Healing Power of the Outdoors - Marin Living Magazine

Training for Your First Ultramarathon: How to Prepare With a Plan

Backyard ultra marathons: the world's craziest races - Sports Illustrated

50 Ultra Marathon Quotes To Inspire Your Ultra Running Journey – Long Run Living

Relentless Forward Progress: A Guide to Running Ultramarathons: Powell, Bryon, Grossman, Eric: 8601400487846: : Books

Should You Use Trail Running Poles At Your Next Ultramarathon? - CTS

Ultra-marathon runner Ann Johansson provides her top tips on how best – BOOM BOOM ATHLETICA

Running and the Science of Mental Toughness

What it's like to run an ultra-marathon