Physiology Calculators
Lactate threshold, VO2max estimation and physiological benchmarks from race results.
Lactate Threshold Estimator
Estimate lactate threshold pace and heart rate from recent race results with training zones.
VO2max Estimator
Estimate VO2max from Cooper test, Rockport walk, 1-mile run or race time with fitness categories and training zones.
2 free calculators in Physiology
Running Physiology Calculators
Understanding your physiological markers helps you train smarter and race faster. Lactate threshold, VO2max and heart rate zones provide the foundation for structured training programmes. These calculators estimate your key physiological benchmarks from race results.