Fartleks are a well-known and popular running workout—or at least they’re something runners talk about all the time. But how many of us have gone out and said “I’m doing a fartlek today” and actually ...

Runners throw around the term “tempo run” like confetti. It’s confusing, even for well seasoned athletes, because it’s not a cut-and-dried definition like a lactate threshold workout. In order to make ...

Not all running shoes are built the same, and if you’re training with intent, you shouldn’t be using one pair for everything. Different runs demand different tools. Here’s a breakdown of the best in ...