It's traditionally been thought marathoners can't have muscle. The two are mutually exclusive. Because surely someone logging dozens of miles each week can't break free from the gawky, sinewed body of a long-distance runner. And the same goes for muscleheads who want to try their hand at endurance racing: You can't transition into the sport without losing your mass. Or can you?
Seth Gottesdiener ACE-certified LA-based celebrity trainer lends a few tips for keeping your size while gaining lung capacity (and some really great calves).
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