Relative new to TR so apologize for the dumb question. I see workouts are labeled like ‘Endurance 4.0’, ‘Threshold 5.0’…What do those numbers mean? Must have missed that somewhere.
Great post above, but make sure to check out the entire category for AT, that covers a bunch more worthwhile info:
https://support.trainerroad.com/hc/en-us/sections/360012393052-Adaptive-Training