Lack of time is often the main reason people don’t exercise regularly. But a type of interval workout recently popularised by ...

The Swedish word for ‘speed play’, fartlek is one of the most common training sessions that I use with my athletes. The history of fartlek training dates back more than 80 years, when coaches and ...

Many inactive adults who tried a sampling of exercises preferred intense efforts to gentler workouts. By Gretchen Reynolds People who have never tried intense interval training might be surprised to ...

On TikTok, workout tips abound — some credible, some dubious. And recently, you may have been hearing about something called sprint training, which falls somewhere between 12-3-20 treadmill workouts ...

Forbes contributors publish independent expert analyses and insights. AI researcher working with the UN and others to drive social change. Oct 20, 2025, 05:19am EDT A humorous animated brain character ...

Good news: starting your running journey doesn't have to require diving in head-first and sprinting for 30 minutes straight. If you’ve never been much of a runner (or you’re starting to get back into ...

Most cyclists understand the concept of high intensity interval training (HIIT), which involves repeated bouts of high intensity efforts separated by periods of recovery. Some very common examples of ...