Triathlon Calculators
Free triathlon calculators.
Race time, pace targets, training zones, transition time, and event planning tools.
Triathlon Brick Training Calculator
Plan your bike-to-run brick training sessions. Calculate target bike and run paces based on your race goals and current fitness.
Triathlon Heart Rate Zones Calculator
Calculate heart rate training zones for triathlon. Set Zone 1-5 targets from your max heart rate for optimal triathlon training.
Triathlon Race Nutrition Calculator
Calculate calorie and fluid needs for your triathlon race. Get carbohydrate intake targets by race duration and intensity.
Triathlon Race Time Calculator
Calculate your total triathlon finish time from swim, bike, and run paces plus transition times. Works for sprint, Olympic, 70.3, and Ironman distances.
Triathlon Run Pace Calculator
Calculate your triathlon run pace. Convert run time to pace per km or mile and predict finish time for Sprint, Olympic, or Ironman run legs.
Triathlon Split Time Target Calculator
Set target split times for each triathlon leg. Plan your swim, bike, and run splits to reach your goal finish time.
Triathlon Swim Pace Calculator
Calculate your triathlon swim pace per 100m or 100yd. Convert total swim time to pace and estimate finish time.
Triathlon Transition Time Calculator
Estimate and optimise your T1 and T2 transition times. Know exactly how much time transitions add to your triathlon finish time.