Does Garmin use the Coggan Zones for Power Calculations?

Hi Folks,

I'm curious about the difference between the HR zones and the power zones in Garmin Connect. HR zones are 5 zones, where the power zones have 7 zones. From my coach I receive 5 HR Zones and also 5 Zones for power. I know my FTP value and my Lactate Threshholds, how do I calculate the correct power zones for the 7 zone model?

Currently, I've set the first 5 power zones so that they match the first 5 Zones from my coach, but I have the impression that Garmin thinks I'm constantly training in the low zones and therefore doesn't calculate my training status right, I hardly receive anaerobic scores.

I'd like to get this right, so I'm guessing that Garmin and the Firstbeat Algorithm behind it are using the Coggan 7 Zone Model, which would match the zone count.

Any suggestions?

0 5135968 over 3 years ago

Training Status doesn't take zones into account - it just looks at your hr vs your power output. If your hr is lower than usual for your expected power output, expect Productive. If your HR is significantly worse than expected for your power output, expect Unproductive.

This is a long way of saying that how you choose to allocate your zones is irrelevant for Training Status purposes - key thing is to ensure your MaxHR is correct.

0 Fieser-Kardinal over 3 years ago in reply to 5135968

I'm aware of that, thanks. But how does Garmin know what my "usual" Power Zone i'm in if they are maybe setup in the wrong zones?