The latest Wahoo app update seems to have updated the 4DP algorithm - I’m now a pursuiter with strength MAP whereas before I was a time trialist with strength FTP (actually I still am in the Systm app).
Curious to know how the algorithm was updated!
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Interesting. Some others have also mentioned on here that their latest “profile” has changed…
Just noticed this! Was a pursuiter, now I’m a climber!
Seems each area is graded as “Opportunity”, “Baseline” or “Strength” however in the How we calculate text there’s reference to modest and exceptional - I assume these map to baseline (?modest) and strength (exceptional) prehaps?
They seem to have removed mention of Full Frontal/4DP though, calling it a “Fitness Assessment” in the Wahoo App (the link still open 4DP in SYSTM thankfully!).
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Uh, oh. I smell change in the air - which is rarely for the better of late. Full Frontal disappears in 3…2…1…
I’m still a Rouleur… last FF was on 1/13/25.
Have you that see changes just done an HM or FF leading into the change, or did it just change your profile without you doing either fitness test?
And did any of your 4DP values change as well?
I do more outdoors but have done more than usual indoors the last couple months, so I wonder on what basis they might determine a changed profile.
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No values changed, just the profile with a little note saying “we’ve updated our algorithms so you may see your profile changed”
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I wonder if wahoo is planning to provide an update in their own forum? Maybe there’ll be an announcement on Monday, when they announce the new kit 
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Do you see the changes in SYSTM? Or only in the Wahoo app?
It may be a Wahoo app thing that hasn’t been implemented in SYSTM, yet.
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The classifications are done based on the relationships between the various components of the 4DP.
in my case, I think the reason I went from years of being a Pursuiter to Sprinter is because I knocked my self out during the AC section, and did not do as well with the MAP effort.
Hence the NM/FTP relationship, and the AC/FTP ratios were much higher than the MAP/FTP ratio. In the past my AC/FTP ratio was the lowest of the three ratios.
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I’m not getting prompted for any upgrades when I start up and am on 7.93.1 Be interested to know what version those with the “new” look are on.
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They’re talking about the Wahoo App, not the SYSTM app. There’s a bunch of merging going on between the two but as of now, the Wahoo App doesn’t have the video libraries. The home page of both are the same and there are other things they share.
It seems like the plan is to merge the 2 but they’re definitely not there yet.
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Ah yes. So updating that I see the new screen. I always flipped between “Time Trialist” and “Pursuiter”, presumably being on the edge of those two so depending on how I did on a test would fall into one or the other.
I am now apparently a “Rouler”. So there’s that.
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I notice you can now take a “quiz” to override the rider type (presumably, I didn’t save the results). Everything old is new again! 
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Yeah I didn’t dare to take the quiz in case it overrides my 4DP result!
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I’ve gone from Rouleur to Pursuiter (which I’m pretty sure I have been in the past).
What I find most interesting about this new screen is the “style” of the bars in the Fitness Assessment box. That suggests to me that there might be a visual theme update on the way and, dare I say it, surely that would require a new workout player?! I’m probably completely wrong.
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Let’s keep the dream alive.
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Can someone explicitly guide me to these changes in the Wahoo app? I noticed that it updated (v 6.53.0) on my device recently but I see nothing like what is being described in this thread.
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I‘m a Pursuiter now too according to the wahoo app. In systm I’m still a time trialist. Systm’s result seems to fit better.
The German translation contains a translation error instead of “Stärke/Schwäche” for “strength/weakness” they use “Krafttraining” (strength training) for “strength”.
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I believe it’s the top left corner. should be an icon with your rider type that you can tap/touch to open the account page, then tap/touch again to reveal your athlete profile
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I appreciate the reply but I still don’t see it. Clicking on my profile picture just takes me to my personal profile, with name, age, weight, and unit selection. No 4DP profile or quiz anywhere to be seen.
I’ll not lose sleep over it, though.
According to my plan, I’ll be doing HM and FF in the next week, so I’ll see what becomes of it all, then 
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