For a muscle to continuously contract and relax, it needs adequate hydration, electrolytes, and oxygen. It also must be able ...

Every fluid and cell in our bodies contains electrolytes. Sodium, magnesium, potassium, and calcium are among the MVP ...

It was interesting to him, he informed me, that Runner’s World would hire someone like me, someone who isn’t really a serious ...

Weak glutes often play a role in common running injuries. The single-leg stance test shows you where your strength is lacking ...

After publicly announcing in June that he would attempt to break the American marathon record at the Chicago Marathon, Conner ...

At his fastest, Matthew Centrowitz ran a mile in 3:49.26. Today, he ran 26.2 of them at 5:31 pace, finishing his second ...

Four weeks before the New York City Marathon, Simmelkjaer took on Chicago as his fourth world major. The CEO of New York Road ...

Revamped with a top layer of PEBA foam over a pliant nylon/fiberglass plate, this training shoe deserves to toe the starting line ...

If cushioning is your priority, save £45 on the Asics Gel-Trabuco Max 4. Built for long off-road runs, its high-stack midsole packs a generous layer of FlyteFoam Blast Plus Eco, delivering plush ...

Leading from the start, Hawi Feysa won the women’s race in 2:14:56 at the 2025 Chicago Marathon. Taking advantage of ...

Three Americans—Natosha Rogers, Dakotah Popehn, and Gabi Rooker—secured top 10 finishes at the 2025 Chicago Marathon, with ...

Over 50,000 runners took on the Chicago Marathon on Sunday, October 12. It’s the sixth World Marathon Major of the 2025 ...