How can I measure my FTP?

There are three ways to establish your FTP: a blood lactate test, a 60 minute test, or a 20 minute test.

A blood lactate test is typically performed in a sports performance lab–not exactly something everyone wants to pay for or undergo regularly.

Zwift Workouts to the Rescue

Fortunately, Zwift has built-in workouts for 60 and 20-minute FTP tests. I recommend hitting one of these workouts on a day when you’re well-rested, so you can establish a solid baseline FTP for future training efforts.

Want to know what you’re in for? Here’s a quick video Chris Pritchard made summarizing his experience doing the 20-minute FTP test on Zwift for the first time:

Automatic FTP Measurement

Along with the structured FTP test workouts, Zwift will automatically detect your FTP from your everyday Zwift riding, and prompt you when it detects an increased FTP as you finish your ride.

About The Author

Eric Schlange

Eric runs Zwift Insider in his spare time when he isn't on the bike or managing various business interests. He lives in Northern California with his beautiful wife, two kids and dog. Follow on Strava

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Colin Carstens
Colin Carstens
7 months ago

I just finished my 1st lap of Alpe Du Zwift and zwift popped up a a message of an increase in my FTP, but I was sort of struggling to breath at that moment, lol, and did not take in the number. Is there somewhere where I can look this up? Rather than do an FTP test. Cheers

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