It depends on VO2max experience. I’m mostly focused on LSD and threshold type of plans, doing only occasional out-of-plan VO2max week to spice things up. Because of that, I’m really bad pacing such efforts i.e. if I go for max, I’ll likely do not finish whole workout. For that reason, I prefer to go with prescribed power and just scale it up to my abilities. Even then I used to blow up before the end. That’s why I like decreasing stepped workouts: while HR still keeps going higher, it is actually getting easier.
Here’s sample Bashful workout:
