Can someone explain or link the article that explains what the numbers after Breakthrough mean?

Breakthrough +2.6 for example and what does stretch mean. Also why do some workouts not have a title as well.


It’s worth reading all the AT articles here:

Thanks chad, always good to have a look at that page again.

Breakthrough is explained here: Difficulty Levels – TrainerRoad

Also note:
“ Difficulty Levels are determined by your Progression Levels at the time you attempt the workout. Progression Levels regularly change in response to your recent performance, and since we don’t know what your Progression Levels will be in the future, we don’t display Difficulty Levels for future workouts.

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