Originally Posted by
JPprivate
Thanks for the replies. This is interesting, it seems I am not alone with this question.
Megalowmatt: How did you arrive at 35 cal/mile? It appears to be much more realistic estimate. Did you use a heart rate monitor to calculate that figure?
Heart rate monitor estimates are useless because they can be off by a factor of two.
A power meter is the only way you're going to get close.