[PRSboy]

The last couple of hard-ish rides I’ve done in colder weather (low single figures/zero) I’ve noticed my average HR is higher than I would expect for the percieved exertion.

Would the colder temp mean my heart is working harder to keep the body warm with blood flow?

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[hawkinspeter]

Yes, cold weather will tend

Yes, cold weather will tend to increase heart rate and blood pressure. That’s the problem with heart rate as a metric – it’s how hard your body is working rather than how much power you’re putting out.

[Author]

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