Training Calculators
Calculate training zones, threshold paces, heart rate zones and VO2 max.
Training Zone Calculator
Calculate your training pace zones from a recent race result.
Heart Rate Zone Calculator
Calculate heart rate training zones from your max or resting HR.
Threshold Pace Calculator
Estimate your lactate threshold pace from race results.
Easy Pace Calculator
Calculate your easy and recovery run pace range.
Tempo Pace Calculator
Calculate your tempo run pace for sustained threshold training.
Interval Calculator
Calculate interval training paces for VO2 max sessions.
Long Run Pace Calculator
Calculate your ideal long run pace range for endurance building.
Recovery Pace Calculator
Calculate your recovery run pace for active rest days.
Lactate Threshold Calculator
Estimate your lactate threshold from recent race performances.
VO2 Max Calculator
Estimate your VO2 max from race results or time trials.
10 free calculators in Training
Training Calculators for Runners
Calculate your training zones, heart rate zones, threshold pace, and VO2 max. These tools help you train at the right intensity for every session — from easy recovery runs to hard interval workouts.
Enter a recent race time or time trial result to get personalised training paces across all zones.