Running

Why Are Marathon Runners So Skinny? 4 Interesting Reasons

If you attend marathons, you might wonder, “why are marathon runners so skinny?” It’s not that only skinny people run; marathoners have their physiques for a reason.  Have you ever been at a race and looked around you and wondered why are marathon runners so skinny? It has to do with caloric intake vs. caloric expenditure, genetics, …

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