Originally Posted by
Machka
Yes ... hence the word "at least".
From my experience, a person might be able to start well and consume 250 cal/hour, but often toward the end of the ride, the calories drop because we're just not that hungry anymore. But if you can keep a bit coming in, even just 100 cal/hour, it's good.
This is very helpful. In your experience, does it matter what the nutrition content of the calories is - for example, will straight sugar do the trick, or is something more nutritional or a source of protein better?