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 years a winning University of Oregon coach, died on June 27 at age 91.

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

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

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

Run clubs are content mills.” “They’re full of runners chasing social media clout.” “They say ‘all paces welcome,’ but their ...

Before he scored a stunning victory over Andrew Cuomo, the 33-year-old campaigned through the five boroughs—on foot.

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

Both of these cooling processes pull energy away from your working muscles, meaning every stride takes more effort as the ...

To put metrics around that, Helms adds that you may be ready to progress if your weekly mileage has been consistent for four ...