Training Guides
Evidence-based training principles for ultramarathon and mountain runners. Master the fundamentals that apply to any distance, any terrain.
AeT Test: Find Your Aerobic Threshold Heart Rate
Free AeT test protocol and calculator. Find your aerobic threshold with the heart rate drift test, calculate your AnT with a time trial, and build personalized training zones.
ExploreMountain Running Training Principles
How to train for a mountain ultramarathon. The few things that actually matter: run easy, get strong, build slowly, and train on mountains.
ExploreSleep Optimization for Ultramarathon Training
Sleep is not recovery from training—it IS training. Here's how to optimize sleep as a core component of your ultramarathon preparation.
ExploreStrength Training Progression for Ultramarathon Muscular Endurance
A complete progression protocol from max strength to muscular endurance for ultrarunners. Learn rep schemes, periodization, and exercise selection for mountain running.
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