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Old 06-28-08, 08:58 PM
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Machka 
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No, you didn't use up all your fat stores. 3 hours isn't anywhere near long enough for that ... we're talking days and days of consistent cycling and very little eating for that. And you'd have lost a significant amount of weight.

No, your blood sugar didn't spike. Had that happened, you would not be hungry because you would have just finished eating.

What likely happened was that your blood sugar (the most readily available fuel) dropped because it was used up.

Were you consuming about 250 calories per hour while riding?
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