Most solid training plans include a weekly speed workout, often in the form of intervals. But the length of those intervals usually depends on your race distance, training goals, and fitness level.

How training affects cells is determined not only by whether we move at all, but also by how intensely and for how long we do ...

The phrase “putting the hammer down” commonly refers to drivers smashing the accelerator pedal to pick up a burst of speed, often to beat a waning yellow light. Runners use this idiom in much the same ...

Walking is cooler than ever, thanks in large part to the made-famous-by-TikTok Hot Girl Walk trend. Not only is it cool, but walking is also great for your mental health and your physical health.

If you’ve ever followed a training plan or even read through one, you’ve probably seen the names of a few types of runs. You might have come across terms like “interval run” or “tempo workout” or ...

Rest is an important part of any workout regimen and is influenced by your specific goals. Your age, fitness level, and genetics can also affect rest needs.

Anyone that follows me on Strava might be used to seeing some micro-intervals in my workout reports. In addition to making cool looking reports, research has shown that these workouts are highly ...

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 ...