I’ve just been prompted for my first 28 day AI FTP update which, as expected (based on having visibility into it over the past month :heart_eyes:), is higher than I want to train at since I want to be able to do longer threshold intervals. In the past, I’ve always immediately accepted an AI FTP upd…

Just look at the wattages of the workouts it prescribes. If it thinks you can do 3 × 15 at 300 watts it’s going to give you 3 × 15 at 300 watts, whatever your AIFTP/FTP is set at.

As you can see, had I accepted, my FTP would have increased from 293 to 307. This means instead of workouts like the PL 5.5 3x15 FTP one I did last week, I’d be doing workouts in the 3-4 PL range which are more like 3x9 FTP. I want to do workouts with a higher TIZ and longer intervals.

Also, nearly all of my endurance rides being prescribed are around .70 IF with many including portions around .75. This would push my heart rate into Z3 on all of my “easy” days if I’m training at the higher FTP. IMO, this is one of the biggest downsides of the new model for those of us being assig…

[image] Bnar: Also, nearly all of my endurance rides being prescribed are around .70 IF with many including portions around .75. This would push my heart rate into Z3 on all of my “easy” days if I’m training at the higher FTP. Have you tried playing with the sliders in the approach settings? …

I have. I tried dropping it all the way down to the lowest option and it had basically no effect. It’s currently at Balanced. No idea what AI is actually doing in the background but seems to me like it’s trying to build my Z2 endurance through my 90 minute workouts while I actually expect to build …

[image] Bnar: I have. I tried dropping it all the way down to the lowest option and it had basically no effect. It’s currently at Balanced. I still wish that TR would publish a bit more about the intended behavior of the sliders. As @Nate_Pearson said in the beta thread that lowering the end…

[image] Bnar: No idea what AI is actually doing in the background but seems to me like it’s trying to build my Z2 endurance through my 90 minute workouts while I actually expect to build Z2 endurance through my long 4-8 hr rides and as a by-product of increasing my FTP through the 2 intensity wo…

Yeah who knows. I’m in a Master’s plan so would think burnout risk is considered in the model.

But it doesnt from my own experience. I was given a big bump for me. The Threshold workout stayed the same both when accepting the increase and manually entering the FTP. The workout was performed at a rate of 10 watts lower throughout with the lower ftp. I played around with different workouts …

It likely does depend in part on your volume. If I move between conservative and aggressive the workouts per week goes from 3 to 4

Declining an AI FTP Increase

TrainerRoad Software

BCM February 10, 2026, 3:06pm 14

This isn’t the case. Here’s from Nate:

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Declining an AI FTP Increase

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