NEW! Outside TV show

Alex Honnold explores Nevada’s wild side

Watch now

NEW! Outside TV show

Alex Honnold explores Nevada’s wild side

Watch now

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And how it is sabotaging your training

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This new tech startup aims to provide an expert fit, all from your phone

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A look at the history of this essential piece of equipment. It’s come so far, thanks to enterprising runners, but is still not adequate for a high percentage of women.

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One marathoner uses running as a way to thrive with Parkinson’s disease. New research delves into the benefits of endurance training on the neurodegenerative disorder.

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In the wild world of endurance sports, recovery can feel like the last frontier

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Humans are uniquely built for running in high and low temperatures.

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From wildfires to car traffic, all runners should be aware of the air quality before working up a sweat.

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A new study out of the University of Montana finds that carbohydrates from just about anywhere do a good job of muscle glycogen recovery, as long as the numbers add up.

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