FTP: There are few acronyms in endurance sports that are so well recognized. Functional Threshold Power is an estimate of the highest average power an athlete can sustain for one hour.
But it is also so much more than that. On one hand it is generally used to indicate fitness. It’s also used to determine training zones. FTP is also used in the calculation of more sophisticated metrics like TSS.
Learn more about the many ways in which FTP can help you improve how you train, and the several ways that this metric can lead you astray.