Heart rate zones

I set heart rate zones on auto and my Ultra shows too high rates in my opinion. My max HR is 183 so why zone 2 is 137-147? 75-80% of max HR and zone 1 up to 70%. Shouldn’t this zones be lower? Like zone 2 max to 70%?

Posted on Jul 6, 2023 7:03 AM

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Heart rate zones

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