Fitness
Normalized Power Heat Ride Drift
Normalized power heat ride drift is stable NP with rising heart rate in heat—trim watts or extend recoveries instead of chasing cool-weather power targets blindly.
Normalized power heat ride drift is when NP stays target but heart rate and RPE climb in heat—cardiovascular strain rises without more usable watts. Do not chase outdoor NP indoors or in humidity with unchanged targets.
Trim five to fifteen watts or extend recovery valleys. NP accounts for surges; it does not erase thermoregulation cost.
Compare same-route trends across cooled months.
Common questions
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Why is heart rate higher at the same power in heat?
Cooling costs extra cardiovascular work. Trim five to fifteen watts or extend recoveries—stable normalized power does not mean heat is free.
Related terms
Put Normalized Power Heat Ride Drift into practice
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