Fitness
FTP (Functional Threshold Power)
Functional threshold power (FTP) estimates one-hour cycling power for training zones—retest periodically as fitness changes.
Functional threshold power (FTP) is the cycling power you could hold for about one hour—used to set training zones, pacing, and structured workouts on indoor bikes. Field tests use twenty-minute max efforts scaled by 0.
95, or ramp tests on smart trainers. FTP drifts with fitness; retest every six to twelve weeks in build phases.
Common questions
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How do you test FTP without a one-hour all-out ride?
A paced twenty-minute test multiplied by 0.95 is standard; ramp tests on trainers estimate FTP with less pacing skill required.
Related terms
Put FTP (Functional Threshold Power) into practice
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