Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Running
VO2 Max Calculator
Estimate your VO2 max (maximum oxygen uptake) from a timed run by combining distance, time, and age into a Cooper-style empirical formula. Use it as a benchmark for cardiovascular fitness and to track aerobic improvement across a training cycle.
Fill in the required fields to see your result.
Running
Training Pace Zones Calculator
Determine your personalized running pace zones from a recent race result. Use this before a training cycle to set effort-based targets for easy runs, tempo sessions, and intervals.
Fill in the required fields to see your result.
Key differences
| VO2 Max Calculator | Training Pace Zones Calculator | |
|---|---|---|
| Category | Running | Running |
| Inputs required | 3 | 2 |
| Result | Estimated VO2 Max (ml/kg/min) | Easy Pace (min/km) |
| What it does | Estimate your VO2 max (maximum oxygen uptake) from a timed run by combining distance, time, and age into a Cooper-style empirical formula. Use it as a benchmark for cardiovascular fitness and to track aerobic improvement across a training cycle. | Determine your personalized running pace zones from a recent race result. Use this before a training cycle to set effort-based targets for easy runs, tempo sessions, and intervals. |