Training Fuel

A sports dietician lays out exactly which nutrients and fluids your body needs, and how much, at every point during a marathon training run.

When it comes to fueling brag-worthy runs, sometimes natural selection works in your favor. Here are real-food options shown to assist top-notch performances as well as sports energy products.

Boost your runs and health with our guide to the mighty macro. Here are the new rules of protein.

From before your run, to during, to after…We tested the goods.

These smoothies may be simple—no more than four ingredients per recipe—but they pack a ton of nutrients.

No ice cream maker required! Frozen banana sent for a whirl in the food processor produces deliciously silky ice cream–like results.

Dehydrated potato flakes can be transformed into pancake-like patties that deliver the easily digested carbs needed to hit top-end speeds.

This ready-in-a-hurry chocolate cake lets you throw down the calories, carbs, and protein your muscles need after a workout.

These moist tropical bars deliver plenty of energy from natural sugars to keep you ahead of the pack.

This whimsical twist on a breakfast classic is a much more fun way to get your energy-boosting carbs than the standard packaged stuff.

Chocolate milk has everything you need in one glass: the right combination of carbohydrates, protein, electrolytes, and fluid.