I worked on a book by an ultramarathoner. The guy runs 250-km races through desert and jungle. (For anyone keeping score, a 250 km is equal to 6 marathons.)
Anyway, guys like him consume as much as 10,000 calories or more in a day while training and racing.
One of these guys, an American, has a system. Check it out:
Quote:
You wouldn't believe the stuff Karnazes consumes on a run. He carries a cell phone and regularly orders an extra-large Hawaiian pizza. The delivery car waits for him at an intersection, and when he gets there he grabs the pie and rams the whole thing down his gullet on the go. The trick: Roll it up for easy scarfing. He'll chase the pizza with cheesecake, cinnamon buns, chocolate éclairs, and all-natural cookies. The high-fat pig-out fuels Karnazes' long jaunts, which can burn more than 9,000 calories a day. What he needs is massive amounts of energy, and fat contains roughly twice as many calories per gram as carbohydrates. Hence, pizza and éclairs.
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Wired 15.01: The Perfect Human
9er, as long as you aren't wasting away, have no actual tapeworm, have no thyroid problems, then you're doing just fine.
Maybe eat more fat and fibre if you want to go longer without getting hungry.