Nutrition & Health

The history and science of modern endurance fueling.

Please, no more nuts and seeds for dessert

Women don’t stop training after age 40, so why aren’t we openly discussing how to adjust and adapt as our bodies go through seismic shifts?

The most common, performance-defeating nutrition mistakes—and how to fix them

Whether you’ve missed your period, you’re suffering night sweats, or you’re having trouble sleeping, your body is designed to give you signals when something isn’t right—you just have to learn to listen to them. Here are some of the most common signals the female athlete might experience.

We tried three at-home sweat tests so you don’t have to. Here’s what sweat tests are best, and how to use that information for a running breakthrough.

Common causes and solutions for when it’s hard to eat during a race.

Staying on top of your health data allows anyone to take ownership of their health journey.

Here are the factors to consider when adapting your race-day nutrition strategy.

In a pinch, these on-the-go eats are nutritious fuel