How a sports nutritionist who's 'passionate about bread' sneaks protein and fiber into his diet

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Dr. Samuel Impey
Dr. Samuel Impey eats carbs like sourdough bread and pasta to fuel for long runs and speed training.

Kate Swerdlow Photography

I'm training for my first marathon and scared of 'hitting the wall.' An expert told me how to avoid burnout.

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A young woman running against a white brick wall

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