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Ramp Test Alternatives

With the Ramp Test as our recommended assessment, we still offer two alternative options to test FTP. These two alternatives are the 20-Minute and 8-Minute FTP Tests. 

 

20-Min VS. 8-Min Test

If you do decide to use one of these alternative tests, whether you use our 20-minute Maximal Lactate Steady State (MLSS) interval or a set of 8-minute Power at VO2max (pVO2max) efforts, it's best to choose a format that you will stick with and one that fairly represents your fitness at the time.

Check out the video below to find the best test for you :)

 

How to Test/How It's Calculated

During the test intervals, totally ignore the graph's recommendations.

Whether you're above, below or exactly in line with the graph makes no difference. It's important that these assessment efforts are not restricted or guided in any way. We're simply trying to get a reasonably-close estimate of your Functional Threshold Power, something we can't do if your smart trainer is limiting your power. 

FTP (Functional Threshold Power) is automatically calculated upon completion of any of our test workouts.

 


 20-Minute Test

 

The 20-Minute Test is an ideal format to break into shorter, more manageable segments. By breaking the 20-minute effort into four 5-minute segments, riders can subtly tweak their effort every so often based on longer periods of muscular feedback, i.e. a rider can slightly reduce their pace every 5 minutes based on perceived exertion or how their body feels.

The downside is simply that it’s a relatively long effort and pacing is an issue for less experienced riders.

Additionally, many riders play it safe during the longer formats and end up finishing with too much gas left in the tank. Evidence of this is illustrated via a 2 or 3-minute surge in power at the end of an effort that would ideally be evenly-paced over the entire 20 minutes.

As a result, their FTP and relative power levels are likely to be underestimated a bit (or a lot) rendering all subsequent FTP-based workouts less productive than they would be otherwise.

TrainerRoad calculates your FTP from the 20-Minute Test by multiplying your average power for the test interval by .95. In other words, your FTP is 5% less than your average power of the test interval.

 

8-Minute Test

The 8-Minute Test yields a greater amount of information by demonstrating power at VO2max via each 8-minute interval, sustainable power/FTP once the average power of the two 8-minute intervals is reduced by 10%, and you can even track improvements in your aerobic fitness when comparing the 2 efforts afterward, i.e. a substantial difference could indicate a limited ability to recover & insufficient aerobic capabilities.

TrainerRoad calculates your FTP from the 8-Minute Test by multiplying your average power of the two test intervals by .9. In other words, your FTP is 10% less than your average power of the two test intervals.

 

Erg Mode vs Slope/Resistance Mode

Building on the information found in our Erg Mode Explained article, these FTP test alternatives, when completed on a smart trainer, have to be done in the appropriate mode: Slope or resistance mode (depending on your particular trainer).

Fortunately, TrainerRoad switches modes for you when you assess your FTP via our 20-Minute Test or our 8-Minute Test.

 

Why Erg Mode is Bad for Assessment

If a smart trainer is left in Erg mode, any test workouts won't assess FTP improvement because the workout will scale the assessment interval(s) to the FTP listed in your profile.

To avoid this, the assessment needs to take place in Slope/Resistance mode in order to allow a rider to work at his/her own pace rather than having the trainer determine a pace based on the input FTP.

When you assess your sustainable power using one of our two alternative test formats, TrainerRoad's workout player will automatically switch to Slope/Resistance mode just prior to each test interval.

If you wish to use a higher or lower Slope/Resistance setting, you're free to adjust it yourself and it makes no difference if you use different Slope/Resistance settings from interval to interval or test to test.

By switching to Slope/Resistance mode, you're allowed to go hard without being forced to maintain the calculated Target Power that would be forced on your legs in Erg mode. You can pace according to your current capabilities such that you ride as strongly as possible for the assessment interval(s).

 

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