Originally Posted by
merlinextraligh
I'd be willing to bet that his 100 mile rides with no food weren't 4 hours. Ride at a low intensity, and you don't need to eat as much, in part because you're utilizing fat stores. Ride at a higher intensity, and you can't use fat as much, and you're more dependent on muscle glyogen, and carbs
Thanks for this, it makes good sense. The whole "effort management" thing is not natural for me yet, so I tend to start long rides at a higher intensity than I should.