Originally Posted by
kenrudman
Yeah, but your 100 mile ride is around 4 hours, right? Most of us non-racers need 6+ hours. I would think that would be a major difference. It certainly seems that way for me.
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