Gotcha! So, if you go do an outdoor ride with some long SweetSpot intervals (for example), then TrainNow will take that outdoor ride into account, and feed you an appropriate SS workout based on those efforts. Assuming you then nail that workout, your SS PL goes up. Did I get that right? Pretty cool.
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Exactly, that is my hot take without knowing what’s in the secret sauce.
I’ll continue to check TrainNow after rested days, try and see if I can complete other PL zones with big jumps and see if this theory holds up.
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Thanks! Just had a look and now seeing similar recommendations - my VO2 and Anaerobic PLs are currently 1.0 as haven’t done any TR workouts in those zones for quite a while though have been sprinkling in some efforts on my long outdoor rides. Trainnow recommending today that I do a level 8.7 Anaerobic workout which is a huge jump but not all that different to what I’ve done manually in previous years (at any given FTP I always seem to find it much easier to get towards the top of the PLs in VO2 and Anaerobic than I do in Sweetspot/Threshold, so starting at 1 and doing Productive or Stretch workouts takes a month or more before any of them feel challenging).
Would say there are still some bugs to iron out though. As in the other workout zones it was also recommending a Threshold 9.9 workout. I’m currently down at PL1.3 on Threshold which is probably a bit lower than I’m capable of (Sweetspot is on PL6) but I also know from experience that trying to jump up the Threshold levels the same way I can jump up the VO2 levels will end in bitter failure quite quickly! Hit Refresh and it changed to a Threshold 5.0 workout. Which is maybe manageable but a completely different proposition to a 9.9. Doesn’t seem like it should be recommending such a huge range of workouts just by hitting Refresh.
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My current Sweetspot PL is 3.5 and yet TrainNow is giving me this recommendation.
Like , Yeah Right!!!
TrainNow is no longer working correctly.
Upon refresh im now getting this recommendation…
Come on TR let’s get this fixed.
Thanks for reporting this! Looks like this is indeed a bug and our engineers are working on fixing it now. I’ll report back here when it’s resolved.
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Please let us know how it goes
The bug was not limited to one account, but it’s been resolved and the recommendations you are seeing now are correct. I took a look under the hood and TrainNow’s AI is quite confident you’re capable of productively completing the workouts it’s recommending. Give one a try and let us know how it goes 
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Thanks for the reply. I admire your optimism!
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Its definitely NOT fixed. My SS PL is 2.5. Your telling me i should be okay with a workout of SS PL 5.5 ???
Yup! Remember that Progression Levels simply reflect the highest level of a workout you’ve recently completed. The AI powering TrainNow, on the other hand, knows what you’re capable of productively completing.
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Im afraid im afraid of a SS 5.5 
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Would be cool if PLs could use that AI to keep the levels set…
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You should try it and report back!
So if you’re not on a plan and only using TN, PL are irrelevant and should be ignored, and if you’re on a plan you should be wary of using TN as it could jump the PL’s up and damage the plans, planned progression ?
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A friend has been back on the trainer for a couple weeks after occasional outdoor rides for the past year. Suggesting a 7.6 threshold having not done any threshold workouts is wild. I’d be afraid of that one, too.
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This is the kind of jump it offered me, had the same scepticism (see a few posts up) but cruised the workout.
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Did you try the workout or other similar large PL jump workout recommended by TR? How did it turn out?
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They have a lot of faith in your abilities.
With zwift in the bag maybe this can be next? Plleeaassee?
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Sean, I apologize if I have missed something mentioned earlier. I notice most people are saying that TN is giving them workouts harder than their current PL. Mine is the opposite. My PL for SS is 8.2 and TN is giving me Antelope +1 for today, which is a PL of 6.3. I am not necessarily worried about it but just curious why mine is different. I have been doing most of my workouts outside and I am usually following a plan so I am not super familiar with TN. To me this means that it thinks I am not capable of doing workouts of similar difficulty to what I have been completing?