Thursday Night - Hour of Power

Functional Threshold Power, basically the power you can ride at for an hour. 25mi TT pace.
Obviously 24hr is a bit longer than a 25 so training is at lower wattages. It's fucked.

all sounds a bit serious and considered, but will be good to see you out there. I imagine your 80% would be more than enough to do your bit on the front for the first few weeks...