Library

Training Plan Library

Evidence-backed training notes, gear deep dives, and lab-tested guidance for runners who like the details.

Stuck in the Gray Zone? How to Stop Running Every Run 'Medium'
Training FundamentalsJan 72 views

Stuck in the Gray Zone? How to Stop Running Every Run 'Medium'

Most runners run too fast on easy days and too slow on hard days. Learn how to escape the gray zone and unlock real improvement with polarized training.

Understanding Training Zones: Heart Rate, Pace, and Perceived Effort
Running PhysiologyJan 72 views

Understanding Training Zones: Heart Rate, Pace, and Perceived Effort

Master the different training zone systems and learn how to use heart rate, pace, and perceived effort to train at the right intensity.

Individualized Workout Intensity: Personal Prescription for Every Runner
Dynamic Training PlansJan 131 views

Individualized Workout Intensity: Personal Prescription for Every Runner

Generic intensity prescriptions ignore your unique physiology. Here's how AI calculates the exact intensity that maximizes YOUR adaptation without overtraining.