How to adapt running nutrition principles to your individualized needs.
Read this introduction to trail running fueling to learn about when and how to...
What parts of female physiology help and hinder ultramarathon performance?
The science of endurance-running nutrition.
How to prepare your food for the Marathon des Sables.
The science of gastrointestinal-tract function, training, and distress in endurance running.
The science behind caffeine and athletic performance.
The science behind blood-glucose level and insulin response as they relate to sugar intake...
The basics of trail running nutrition, written for beginner to intermediate trail runners.
Joe Uhan explains process-oriented strategies for race day.
Joe Uhan answers reader questions about optimized fat metabolism, calf pain, piriformis syndrome, and...
Geoff Roes gives his take on nutrition.
How to troubleshoot seven common issues during your next ultramarathon.
Ian Torrence explains who to prevent and overcome ultramarathon "bonks."
AJW explains how he avoids and/or deals with stomach issues in ultramarathons.