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Old 06-14-2013, 09:43 AM   #10
BMH
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Re: Against the Current

Marathon runners are operating at greater than 60% when running 2.5 hours to complete the race. Longrr races may well differ. At 70% thr you are looking at roughly 80% carbohydrate usage. If what you say is true I will keep my eye out for top athletes using low carbohydrate diets.
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