Webcompleting a marathon is a feat of strength, endurance, and stamina, and proper hydration, nutrition, and training are vital to a runnerโ€™s success and survival.

Learn how to optimize your health and nutrition for peak performance.

Webhereโ€™s how to fuel before, during, and after your marathon.

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โ€œin the marathon build, it can be easy to underfuel, which can increase your risk of injury,โ€ says taylor.

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