Functional Threshold Power (FTP) is a key metric in cycling that reflects the maximum power you can sustain for an hour without fatiguing. It is widely used to personalise training, measure fitness, and set power zones for structured workouts. Understanding your FTP and how it relates to your cycling goals is crucial for making meaningful progress.

The science behind Functional Threshold Power (FTP) lies in your body’s ability to produce and sustain energy for cycling through a balance of aerobic and anaerobic systems. FTP represents the power output where your body can clear lactate from the blood as quickly as it produces it, allowing you to ride at a steady state without accumulating fatigue. Once you exceed FTP, lactate builds up, causing fatigue to set in quickly.