My HR is about the same, right around 165 for both. My cadence seems a lot higher on the flats with an average of 90. On a climb it's around 70 - 75.

Which makes me think maybe I should be doing videos that focus more on high cadence. I love the hill climbing videos...

I was actually losing some of the lactate build up from the flat sections when I climbed yesterday. Not enough to finish the ride unfortunately.

Veronica