When you’re ready to run faster for longer than a mile, you’re ready to try a tempo run. Tempo efforts are “comfortably hard.

But running faster isn’t only reserved for the track and field athletes wanting to compete well, or the professionals chasing ...

How to Run Faster was created with Runner’s World Training Plans in mind. They are designed for runners of all levels tackling every distance. The plans vary depending on your goals. Runner’s World+ ...

Usain Bolt, the world’s fastest person, ran a 100-meter sprint at a speed of 23.35 miles per hour (37.57 kilometers per hour). That’s mind-blowingly fast for a human. It’s about the same speed as ...

News to no one: Cardio exercise—you know, the kind that gets your heart rate up—is a key component of a healthy lifestyle. Figuring out the cardio workout that’s right for you, however, can be a bit ...

Good news: starting your running journey doesn't have to require diving in head-first and sprinting for 30 minutes straight.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. When out for a jog, people automatically settle into energy ...

Stephen Vrska, a marathon and ultra runner from Chesterton, Indiana, first discovered the joy of running back in the 6th grade. “My middle school didn't offer football until the following year, so I ...

Sign up for CNN’s Fitness, But Better newsletter series. Our seven-part guide will help you ease into a healthy routine, backed by experts. The exaggerated strut of ...

I received a note from a reader who asked about interpreting the meaning of steps counted during walking. Specifically, a man and wife go walking together. They both wear monitors and the wife is ...