Why associate it with a workout if your ride was not like a workout?
I see progression levels as progressing through workouts. Whereas TSS and FTP handle how much work you did.
This post from TR is useful:
Why associate it with a workout if your ride was not like a workout?
I see progression levels as progressing through workouts. Whereas TSS and FTP handle how much work you did.
This post from TR is useful: