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.

From 0 to 100: training for an ultramarathon in four months., by Jon Crabb

Running and grief: runners share experiences of loss

Walking an Ultra-Marathon Is Not As Weird As It Sounds, by Michael Horner, Runner's Life

Running toward the 'pain cave' Watts College of Public Service and Community Solutions

Yes You Can: Run an Ultramarathon

19-year-old achieves ultramarathon dream of running 100 miles - Good Morning America

Overcoming Intense Sciatica Pain to Run a 100-Mile Race - News at Ivy Rehab.

I Needed to Keep Running to Heal Myself” - Outside Online

Running - Wikipedia