Training Tools

Free Training Calculators & Tools

Pace charts, power zones, race predictors, and fitness calculators for running, cycling, and swimming. No sign-up required.

Pace Chart

Find your finish time at any pace for 5K, 10K, Half Marathon, Marathon, and more.

Predict your finish time for any distance from a recent race result using the Riegel formula.

Estimate calories burned running based on your weight, distance, and pace using MET values.

Calculate your VDOT score from a race result to get equivalent predictions and training paces.

Calculate training zones using Standard or Karvonen methods with multiple max HR formulas.

Convert between treadmill speed and running pace. Adjust for incline to find flat-equivalent effort.

Calculate grade-adjusted pace for hills. See what your uphill or downhill effort equals on flat ground.

Estimate VO2 max from a race result, Cooper test, or resting heart rate with fitness classification.

Calculate FTP-based power training zones using Coggan or Polarized models. Estimate FTP from a ramp or 20-minute test.

Find your finish time at any pace for pool and open water distances, from 200m to 10K. Metres and yards.

ActivityManager connects to your watch and gives you these insights automatically — from your real training data.