You can run all the miles on the road and do as many speed sessions on the track that you want, but the secret to getting that next PR likely comes in the gym. And we don’t mean more treadmill runs.

Let’s travel back to the Paris Olympics—the women’s marathon event in particular. Twenty kilometers into the race, Sifan Hassan of the Netherlands was holding her pace and biding her time. “The moment ...

Your running speed partly comes down to factors you can't control, like genetics, and partly relies on your training. When you purchase through links on our site, we may earn an affiliate commission.

If you recently ran a marathon or two, Berdan recommends a couple shakeout runs the week immediately after, followed by at least a full week off—no running at all. Even some pros take a full month off ...