Garmin’s fitness and health-tracking metrics explained - understand what your smartwatch is telling you

A professional cycling coach takes us through the most useful metrics for cyclists

Female cyclist wearing a Garmin smartwatch while cycling
(Image credit: Future)

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.

Thank you for reading 20 articles this month* Join now for unlimited access

Enjoy your first month for just £1 / $1 / €1

*Read 5 free articles per month without a subscription

Join now for unlimited access

Try first month for just £1 / $1 / €1

Andy Turner

Andy is a Sport & Exercise Scientist, fully qualified and experienced cycling coach, personal trainer and gym instructor. He spent 3 years on the road riding for a UCI cycling team and 7 years as a BC Elite rider. 


After graduating in 2020 with first-class honours in his Sport & Exercise Sciences BSc, he continued to pursue his interest in research in the field of sport science alongside setting up his coaching business, ATP Performance, and working for USA-based firm, Wahoo Sports Science. He balanced this with racing at international level, competing in prestigious events such as the Tour of Britain and the Volta a Portugal.