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Intensity minute

Regardless of my bike riding intensity, my Garmin Fenix 3 will accurately record each ride, but the intensity minutes does not reflect or capture any ride? I have cleared all my previous activity on the watch as previously recommended but still not recording intensity minutes.....?

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  • From the document How Does the Intensity Minutes Feature Work on My Garmin Watch?:

    • "In order to earn intensity minutes credit, you must reach or exceed 10 consecutive minutes where your heart rate is elevated above the threshold that is considered moderate intensity."

    The exact algorithm for assigning the thresholds for moderate and vigorous intensities may differ, depending on the watch model, and on some models you can even adjust it, but typically the moderate intensity is somewhere around 150% of the Resting HR (RHR) for given day (see it on the HR card on the MyDay screen of the Garmin Connect Mobile app), and around 200% of the RHR for the vigorous intensity. For having the RHR properly logged, you have to wear the watch during rest (and/or during sleep), otherwise the reading will be too high, and in the consequence the thresholds too elevated.

  • Another reason for missing or improperly logged IMs may be due to failed syncing, or due to multiple accounts as decribed in the Troubleshooting guide for (some) data missing after syncing,