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

How the athlete and activist is paving the way for the next generation of track stars to live and compete as their authentic selves

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.

Enhanced with a carbon-fiber plate, responsive foam, and Vibram rubber, the Ultrafly is Nike’s first high-performance trail racing shoe

Yes, this shoe comes in other colors. No, that doesn’t mean you should buy it.

Here’s a look at the gear, tech, media, and general miscellany our Outside Run editors loved last month

Finding adventure in the mundane is as easy as lacing up your shoes.

Whether she’s setting mountain FKTs or working to bring attention to climate change, Hillary Gerardi is a force of nature

Houlihan has been throwing down impressive times this summer, despite being suspended from her sport

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.