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Old 03-13-23, 11:42 AM
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terrymorse 
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Mismatched HR and Power Zones?

Is it reasonable to expect that correct heart rate and power zones ought to roughly match up?

I've been looking at my activity for the last 2 weeks, and it looks like the zone 3+ power times don't match up with the zone 3+ heart rate times.

Zone 3+ Activity:
Heart rate: 40.2%
Power: 51.4%

I figure that my heart rate zones are correct, and power zones are set off of FTP, so would it make sense to increase FTP? Yes, I know the standard is to do an FTP test, but I really don't like doing those (does anyone?).
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