Cromulent

I'm just full of questions today.

From what I can gleen, exercising at a lower HR burns fat, while exercising at a higher HR burns glycogen stored in the muscles and the liver. When we run out of carbs and glycogen during a training ride, event, or race, we run out of energy. We simply can't go anymore. This is called as bonking... unless you're in Australia and bonking is something else much more enjoyable altogether.

We can replace glycogen by eating carbs (complex are better) during exercise.

We also have a window of time after exercising to restore glycogen to the muscles and the liver.

Do I have this right so far?

Does the body turn stored fat into glycogen? Are fat and glycogen linked together in a cycle, or are they two separate energy sources?