She should not be dehydrated for 2-3 days before the race.
She needs to just be very careful about what she eats. She needs JUST the number of calories required to keep her glycogen up. Eat fiber to stay regular. The night before, eat early, eat very modestly (enough to perform, but go to bed a little hungry), wake up and weigh-in before eating or drinking (hopefully weigh in is in the morning??) and she will be fine. Then She needs to fuel and hydrate well and carefully immediately after weigh-in, but it should not require a ton, because she won't be super-dehydrated or fuel-depleted.
VeloVetta is developing AERO cycling shoes with CFD and wind tunnel testing.
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