I know that if I don't eat within two hours of getting up (I can go longer if sleep-deprived, but that gets into other things), I'll end up with a splitting headache by 4pm. And that's without exercising! I can't do fasted workouts. No way.
DBF, on the other hand, can go 25 miles without eating breakfast, and on somewhat longer rides on relatively little.
I can do 15 miles in decent (not too hot, not too cold) weather on breakfast alone, with water on the bike. Anything longer than that (or in hot or cold weather), I need to eat.
Anelia, I'm like you. If I eat before 7, I'm hungry before bed!




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