Functional Threshold Power—or FTP—is one of the most talked-about numbers in cycling.
For many cyclists, it becomes the benchmark for progress.
A higher FTP usually means you’re becoming a stronger rider, so it’s no surprise that athletes want to see that number increase.
The problem?
Some cyclists become so focused on testing their FTP that they forget what actually improves it.
Here’s the truth:
Testing your FTP doesn’t make you fitter.
Training does.
What Is FTP?
FTP is an estimate of the highest average power you can sustain for approximately one hour.
It’s commonly used to:
- Set training zones.
- Measure progress.
- Guide workout intensity.
- Track improvements over time.
It’s an incredibly useful tool—but only when it’s used correctly.
The Trap of Constant Testing
It’s exciting to complete an FTP test and see your number increase.
It provides immediate feedback and a sense of achievement.
But some athletes begin testing every few weeks, hoping to see constant improvement.
Unfortunately, fitness doesn’t work like that.
Your body needs time to adapt.
FTP is the result of weeks and months of consistent training—not a number that changes dramatically from one workout to the next.
Testing Creates Fatigue Too
An FTP test isn’t just another workout.
It’s one of the hardest sessions you’ll complete.
Whether you’re performing a traditional 60-minute effort, a 20-minute test, or a ramp test, you’re placing significant stress on your body.
That means you’ll need time to recover afterwards.
If you’re replacing productive training sessions with frequent testing, you’re sacrificing opportunities to actually improve your fitness.
Focus on the Process
Instead of asking:
“Has my FTP gone up?”
Ask yourself:
- Am I completing my key workouts?
- Is my recovery improving?
- Are threshold intervals feeling more controlled?
- Can I sustain harder efforts for longer?
- Am I riding more consistently?
These are often much better indicators of progress than a single FTP number.
Build the Engine
FTP improves because of the training that supports it.
That means including a balance of:
Endurance Riding
Easy and steady rides build your aerobic foundation.
Tempo and Sweet Spot
These sessions improve muscular endurance and help you spend more time producing sustained power.
Threshold Training
Workouts close to FTP teach your body to sustain hard efforts more efficiently.
VO₂ Max Sessions
Higher-intensity intervals raise your aerobic ceiling, which can support future FTP improvements.
None of these sessions are glamorous on their own.
Together, they build a stronger cyclist.
Trust the Training
One reason athletes become obsessed with FTP testing is impatience.
We all want immediate results.
But endurance fitness develops gradually.
The riders who improve the most aren’t constantly checking whether they’re fitter.
They’re simply completing the work.
Week after week.
Month after month.
When they eventually test, the results often take care of themselves.
So, How Often Should You Test?
For most recreational cyclists and triathletes, testing every 8 to 12 weeks is more than enough.
That gives your body enough time to adapt to training and produce meaningful improvements.
You might also test:
- At the start of a new training block.
- Before beginning a race-specific programme.
- After completing a structured training phase.
Outside of that, focus your energy on training—not testing.
Remember Why You’re Training
Unless your goal is simply to achieve a bigger FTP number, remember what really matters.
You want to:
- Ride faster.
- Climb stronger.
- Perform better in races.
- Enjoy your cycling more.
FTP is simply one tool that helps guide that journey.
It isn’t the destination.
Final Thoughts
Your FTP is an important metric, but it shouldn’t become an obsession.
Every time you choose another quality workout instead of another unnecessary test, you’re investing in future improvement.
Train consistently.
Recover well.
Trust the process.
Then, when the time is right, test your FTP and enjoy seeing the results of the work you’ve already done.
Take Your Indoor Cycling to the Next Level
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Train smarter. Ride stronger. Stay consistent.