9.10.2007

Pete Pfitzinger's Essential Ingredients V

Hydration and Heat Management

"If you lose more than about five to six percent of body weight, the risk of heat-related illness increases appreciably."

"If you lose two percent or less of your body weight during a run, then you can simply rehydrate after you finish, but for longer runs, or in more extreme conditions, you should replace fluids during the run."

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