Fartleks are a well-known and popular running workout—or at least they’re something runners talk about all the time. The ...

If running in any form – whether it’s your first steps or attempting a marathon – is on your list of fitness goals this year, ...

If running in any form – whether it’s your first steps or attempting a marathon – is on your list of fitness goals this year, ...

But sooner or later, once you get the hang of it, most of us like to find new ways of challenging ourselves — or, at least, ...

Run coaches offer smart strategies on how to move, modify, or skip your longest training run of the week. By Cindy Kuzma Jordan Siemens//Getty Images Whether you’re training ...