Endurance Diagnostics

Calculators in the Endurance Diagnostics topic.

Heart Rate Zone Calculator

Calculate your five heart rate training zones from estimated or measured maximum heart rate – as a percentage of HRmax or using the Karvonen formula with resting heart rate.

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VDOT & Training Pace Calculator

Calculate a VDOT model value and pace ranges for Easy, Marathon, Threshold, Interval and Repetition from race distance and time.

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VO₂max Calculator

Estimate your VO₂max from the 12-minute Cooper test or from a race time and assess your aerobic endurance.

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