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The Boston Marathon is rewriting the results of the 2016 race after a top-10 runner is found guilty of doping—but for affected runners like Sarah Crouch, some losses can’t be repaid.

Our pre-release testing of the Nike Vaporfly 4's fit, ride, and performance revealed some surprising changes. Marathoners and beginners take heed.

Alyssa Lokits was fatally shot on a run in Nashville. Now, a nonprofit founded in her memory aims to empower women to be active without fear, starting with a 5K on March 8.

Research says even small amounts of hopping can improve your running performance.

Pacemaking is a time-tested, albeit controversial, practice in professional running. Who are these runners stringing others along to success, how do they do it, and should it be allowed?

Ditching the data and simplifying my runs for a month had some unexpected side effects. Here’s why you should try it.

An ultramarathon is a beast of an endeavor. Here's everything you need to know about ultramarathon training from start to finish.

With 46mm of foam underfoot, the Vomero 18 is Nike’s most cushioned shoe ever—but does it make a difference?

I hate running tights. Thankfully, there are great alternatives.

Make memories for a lifetime at these astronomical runs, races, and events—for very little-to-no cost.