Can someone tell me what this box is that automatically appears in an activity?
Thank you
That is your largest Heart Rate Recovery value
You can view a bit more about it by clicking the ‘HRRc’ value in the top bar of the activity. And there are some settings around it on the settings screen.
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HFRc measures how quickly you recover after a hard effort. It is the largest drop in heart rate within 60 seconds from a heart rate at least equal to the threshold. In general, the faster or more your heart rate drops, the better your recovery is - www.pezcyclingnews.com. This setting controls the minimum HR required to trigger the calculation.
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