Originally Posted by
Machka
So ... you're riding a minimum speed of 50 km/hour during your 1-hour workout? Good job! Have you considered racing?
Or ... if you're not ...
Then, no. You're not burning 1000 cal/hour. Those calorie counters notoriously over-estimate the number of calories burned. Some quite significantly.
Not sure where you're getting that 100cal/5km rule...but according to
this, I burn over 1k. See "bicycling, 16-19mph" (I weigh right around 185).