Ready for Ultra
Training guides and resources for mountain and ultra runners.
Training Guides
Foundational concepts for endurance training.
Mountain Running Training Principles
The science behind capacity before utilization training. Build a bigger engine before learning to use it.
ExploreStrength Training Progression
Complete progression from max strength to muscular endurance. Rep schemes, periodization, and exercise selection.
ExploreFind Your Aerobic Threshold
Test your AeT and AnT to train at the right intensities. Includes heart rate drift test protocol.
ExploreSleep Optimization
Sleep is training, not recovery. Strategies for maximizing adaptation through better rest.
ExploreFree Training Tools
Stop guessing your zones. Analyze your real heart rate data to find your thresholds and build personalized training zones.
AeT Calculator
Find your aerobic threshold with the cardiac drift test. The most important number in endurance training.
ExploreAnaerobic Threshold Calculator
Calculate your LTHR from a time trial effort. Find the intensity ceiling where lactate starts to accumulate.
ExploreHeart Rate Zone Calculator
Generate personalized 4-zone training model from your threshold test results. Based on the Uphill Athlete methodology.
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