Definition:
FTP, or Functional Threshold Power, is the maximum average power a cyclist can sustain for approximately one hour, measured in watts. It’s a key benchmark in cycling training and performance analysis.
Why it matters:
Knowing your FTP helps you:
- Structure personalized training zones
- Track fitness progress over time
- Compare performance across different rides or riders
How it’s measured:
Cyclists usually test FTP using:
- A 20-minute test (average power × 0.95)
- A ramp test (progressive effort until exhaustion)
- Data from a time trial or a long climb
Related terms:
- Watts – unit of power in cycling
- Power meter – a device used to measure power output
- Lactate threshold – the physiological point linked to FTP
Example in practice:
If your FTP is 250W and you weigh 70 kg, your power-to-weight ratio is 3.57 W/kg. This metric is crucial for climbing ability and race performance.