When I looked into this before (a few years ago), the available options seemed to be unable to differentiate between different running surfaces and treated smooth tarmac and quagmire just the same.
This is what I wonder about. I'll reluctantly do some tarmac miles and my Garmin will tell me my performance condition is "pro Athlete" but when I'm going really well on the fells it's always "fair".
When I looked into this before (a few years ago), the available options seemed to be unable to differentiate between different running surfaces and treated smooth tarmac and quagmire just the same.
I wonder if/how the newer versions address this?