Alright, so we know the percentages people give 65-75%, whatever.
In one of Charlie’s videos, an athlete is running extensive tempo slowly. The pace is about where James is describing. Charlie then tells the athlete that they should be running the tempo faster. Most of the debate here has come from some of that debate.
The point being, if you are running tempo that slow, how are you generating much of a conditioning and work capacity effect and if you are just trying to loosen up/recover, why run such high volumes (>2000m 3x a week) in the first place?
I see. I think we are on the same page then, i.e., you need some (individual) pace for the adaptations to occur and I wouldn’t use such volumes for loosening up.