Getting Your VO2 Max. Estimate

This feature requires wrist-based heart rate or a compatible chest heart rate monitor. If you are using a chest heart rate monitor, you must put it on and pair it with your watch ().

For the most accurate estimate, complete the user profile setup (), and set your maximum heart rate (). The estimate may seem inaccurate at first. The watch requires a few runs to learn about your running performance.

1. Hold .
2. Select Settings > User Profile > VO2 Max.

If you have already recorded a brisk walk or run outdoors, your VO2 max. estimate may appear. The watch displays the date your VO2 max. estimate was last updated. The watch updates your VO2 max. estimate each time you complete an outdoor walk or run of 15 minutes or longer. You can manually start a VO2 max. test to get an updated estimate.

3. To start a VO2 max. test, tap the screen.
4. Follow the on-screen instructions to get your VO2 max. estimate.

A message appears when the test is complete.