Originally Posted by
Doge
That is a steady HR. If you know your AT and are at it in the TT, then choose to use power you may cook yourself if you try to maintain power and allow your HR to go over AT. You cannot recover without now going under AT for a bit. If you do recover without a HR drop - you were not at your AT.
when you say things like this I am reminded that you don't race. If I'm wrong, correct me, but I feel like you never train(ed) with power?
HR is way more variable than power, day to day, event to event.