I’m guessing here, probably those workouts have an effect on future bike workouts given fatigue. System is picking up the added fatigue and thinking, “he needs something easier to not cook him”. This is making future workouts easier and lowering your progression trend and thereby your FTP.
My experience is that swimming forced my AI FTP to plummet 100W since I’ve been swimming in November
Best option: don’t record the swims. in my mind but there you go. It’s all a random guess anyway. When ChatGPT doesn’t know an answer, it’ll make one up. Figure this is the same.
i have Form Goggles (no Garmin) but do not use the HR pod as it affects the goggle fit for me. This is why i keep asking for Fatigue Detection clarification on what data they actually use for the swim/run for adapting workouts and how that interfaces with the prescribed workouts in their multisport plans. Since the Forum has been a bust i did finally email support. Like i’ve said before, if anyone got that information or i missed on here somewhere please let me know.
Similar bur somehow different angle: The system could pick up some added fatigue but instead of making workouts easier, it would keep the workouts, but assume higher RPE estimate… like shifting 70% hard / 30% very hard to 60% hard / 40% very hard … which then could have the effect on the AI FTP prediction. But that’s all just pure speculation on my part.
You’re guessing is as good as TR AI…I would guess that he’s an Olympic swimmer and the swim was not fatiguing and actually active recovery. Bit that’s me….