Did 2 vo2max intervals back to back. tr only credited a vo2 boost for the first. why?

title says it all. thoughts appreciated. i dont at all follow the tr progress bars… but i was curious anyway. sessions were completed cleanly and without major struggle (ranked “hard”).

What were the workouts? Specifically, you need to see the Workout Level for each. If the 2nd one you did was equal or lower Workout Level to the first, your Progression level would not increase. They are separate and not additive.

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grassy ridge and katahdin -3. the latter was done first. both 62 tss… latter v02max 3.4 (whatever that means… added 1.2 to my v02max bar), and grassy was 3.1 vo2 max and added nothing to my bar.

i figure it must be a hole in the tr system as i presume a longer workout would have given more of a v02 bonus. i just did one after the other as i felt good.

i figure grassy should have given me +1.0 or something.

just to follow up, why would progression not go up if the second were the same or lower?

Your first workout was 3.4. Your second was 3.1. It takes the highest “PL” rating of the two workouts.

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As I understand it, the PL system does not know or care that the two workouts were completed in the same session. PLs are set for each workout. It hasn’t been designed to consider the effects of fatigue from one workout on another.
Are you on a training plan? If not, you could give Grassy Ridge +6 a crack next week because it has about the same amount of time in zone, similar format. If you’re on a plan, just rank the two workouts’ difficulty as they were & let AT give you something harder next week.

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i am finding tr very rigid. it wants me to do very low volume and one ride a day, which is mot how i operate as i use long commutes as part of my training.

The progression levels only show the highest level of workout you finished successfully. E.g. if you do the same vo2max workout multiple times over several weeks your actual vo2max will (probably) increase continuously, but the vo2max progression level in TrainerRoad will only increase once after you finished the vo2max workout for the first time (given it has a higher difficulty level than your progression level before you do it the first time).