There is a wealth of wearable sports devices offering insight into our heart rate, breathing, recovery, training, and health. Of the brands competing in this sphere, Garmin is one of the largest and best known - but what are the metrics that Garmin’s smartwatches actually track? And what are those measurements really telling you?

I’ve been training with a Garmin Fenix 7, one of the best smartwatches we’ve tested and one of Garmin’s top models. Here I’ll take you through the biomarkers Garmin monitors and help you better understand what all those numbers mean for your training and recovery.

Resting Heart Rate

Screenshot from Garmin Connect app showing Andy Turner's Heart Rate data pages.

(Image credit: Future)

Your Resting Heart Rate (RHR) is the number of beats per minute (BPM) your heart performs while at rest. Elevated levels can indicate a loss of fitness or that you are ill, fatigued or lacking in sleep. Normally, a healthy adult will have a RHR of between 60-100 BPM. However, some of the top endurance athletes have been found to have a RHR of less than 30! 

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