[JustinBarham]

I’m reasonably skeptipcal of Garmin’s capabilities but I have to say, in my case, it seemed to match up well versus my average HR running uphill for 30 minutes. Apparently it uses HRV to detirmine respitory rate.

Can you image if they can get it to work for an accurate AeT? The hours Scott would save not having to point everyone towards the drift test article!

[Author]

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