Training for Marathon #1: Hydration and nutrition: "It’s no secret that you need plenty of water before and after a run, but what about during? And while most runners know all about carbo-loading with a big plate of pasta the night before a race, trying to figure out whether you need GU energy gels (pronounced “Goo”) or some other form of in-race nutrition to keep you chugging through the finish line can lead to some tricky trial-and-error experimentation during your training. To GU or not to GU? That is the question."
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