Free cheat sheet

Endurance Terminology, on One Page

Zone models, RPE and Borg scales, time to failure, heart-rate percentages, running paces, blood-lactate ranges and fuel use on one chart. Save it as an A4 PDF and pin it above the trainer.

Endurance Terminology Cheat Sheet

Values are reference figures and vary by individual, sport and training status. Free to share and print, no attribution required.

From zones to a plan

Turn your zones into a daily plan

Coach Kalle is an AI endurance and strength coach that turns your zones into daily workouts and adapts as you go.

Train with Coach Kalle →