Kipyegon’s time initially read as 4:06.91, but was later adjusted to 4:06.42. Nike has explained what happened.

If you notice an ache or irritation crop up during a run, and it lasts more than just one workout or two, or if it goes away but then comes back when you run again, Fijas suggests getting it checked ...

Bill Dellinger, Olympic bronze medalist in the 5,000 meters, mentor to the legendary Steve Prefontaine, and for more than 30 ...

Here at Runner’s World, we’ll be watching the attempt closely — and you can follow along with us right here.

How to do it: Start on all fours with a neutral spine, knees under hips and wrists under shoulders. Keeping back flat, use ...

On Thursday at the Stade Charléty in Paris, Faith Kipyegon ran the fastest recorded mile ever for a woman, stopping the clock ...

Kipyegon shaved 1.22 seconds off her previous best of 4:07.64 (though her time in Paris is not world record eligible). No ...

As runners, most of us want to improve VO2 max to make hard efforts feel easier and to run faster for longer. And new ...

Dane Miklaus, C.S.C.S., founder of WORK Training Studio in Irvine, California, took on the puzzle of creating a tough, ...

Revolutionary new engineering and materials lead to big running economy gains. Hi, Team.

Nike has unveiled two new additions to its Vomero road-running shoe franchise: the Vomero Premium and the Vomero Plus, with ...