Functional Threshold Power is the maximum amount of power (effort) a person can exert for an extended period of time, say for an hour.
Fitness tests are a great way to measure your improvement for any element of your triathlon training. They show you how your training is making improvements to your potential race times and this one can easily be carried out on the bike.
Tri- Trained follow the British Cycling's approach for measuring your FTP and the way training zones are calculated from the results of your FTP test.
Our calculator on this page will calculate your FTP and your training zones automatically, making it easy to use these zones in your day-to-day training.
The following article will give you the background to measuring your FTP and explain each of the zones. This will allow you to work with your coach to develop a training plan and improve your race times.
How to measure you FTP
The easiest way to measure your FTP accurately is to use an indoor bike trainer. You will need a trainer that can measure and display your average power output in watts. To ensure you get a reliable for your average power. carryout the test on a recovery week. That way your body will be refreshed and able to show what it can produce and won't be exhausted from a heavy training week.
The recorded average power output can then be entered into the calculator on this page, along with your weight to calculate your individual FTP, training zones and power to weight values.
What are training zones