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One of the best things about it is its integration with devices fromGarminandApple.

Now, Polar users are getting it too.

Polar Vantage M3 smartwatch worn on wrist

The integration even works for users who are training with more than five heart-rate zones.

Once your session is done, workout data will be automatically synced back to the TrainingPeaks app.

Polar says the integration will be available to “most” Polar users.

The integration also works with either the free or premium TrainingPeaks subscription levels.

TrainingPeaks integration with Polar is available in beta now.