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by mikestew 1370 days ago
Not sure if he had things to consume while running

Oh, he had things to consume. I ran 16 miles on hilly terrain on Saturday, and just for that I brought about 500 calories with me (not all consumed, some was "just in case").

It has been said that your liver stores about 2000 calories of glycogen. Divide by ~100 calories/mile, and now you know why marathoners hit "the wall" at about 20 miles if they don't chomp on some calories along the way.