There’s a Good Chance You’re Running Too Fast. Here’s How to Slow Things Down

Knowing how to run slower is tricky and takes practice, but it’s just as important as running faster

The Brave Idiots Who Attempted to Run a Marathon Without Any Kind of Training

They either ran it by mistake or thought they could do it with ease. Spoiler: They couldn’t.

This Is Why Exercise Gets You So, Uh, Worked Up

Many people get a runner’s high, but who gets a runner’s hard-on? Here’s what you need to know about post-workout arousal

The Secret to Couch to 5K’s Long-Running Success

After 25 years, C25K still runs the show when it comes to cardio programs — thanks to these diehards, who say the app changed their lives