On Sunday, Oct. 11, 2026, more than 55,000 runners lined up to race the Chicago Marathon. As marathons go, Chicago is always ...

Chicago is famously flat and fast. But carpeted bridges, GPS glitches, and race-day adrenaline can throw off even experienced runners. Deena Kastor and Susanna Sullivan share how to prepare. The 2024 ...

For this NY firefighter, hitting a clean mile on his watch led to seeing black smoke and saving a neighbor’s life. Runners got shut out of 83 percent of this year's spring marathons. Here's how to ...

How we reported this: Our contributor, Sarah Gearhart, interviewed elite runners Deena Kastor and Susanna Sullivan to glean practical tips for everyday runners lining up to run the Chicago Marathon ...

Cortisol rises when your body faces increased physical or metabolic demand, such as exercise. A 2021 study found that cortisol increased immediately after exercise, often fell below baseline about two ...

Asics has been on fire the past five years, putting out new models almost faster than we can keep up. The Gel Slowcush is a brand-new shoe designed for easy, slow running. With 48 millimeters under ...

It feels like every few years, a story makes headlines that has runners questioning whether the courses they race on are the correct distance. Right now, that story is the recent debacle at the ...

The truth is that you can qualify for Boston on three runs per week. As a coach, would I say it’s the best way? No. Is it the most sure-fire way? Also, no. But in a world where time to train is eaten ...

For this article, Outside Run contributor Lauren Wingenroth spoke to Boston Marathon champion Des Linden, a sports psychologist, and two running coaches to get their advice for setting marathon goals ...

To report this article, Outside Run contributing writer Sarah Gearhart attended the London Athlos track and field event and spoke to athletes about the Athlos events and how they might captivate track ...

Threshold training is where strong aerobic running meets discipline. It is neither a sprint nor an excuse to see how long you can suffer. It is controlled, repeatable work near the fastest effort you ...

Every year, the Berlin Marathon draws a star-studded elite field to the German capital, where some of the world’s top distance runners arrive aiming to break records and make history. The flat asphalt ...