Many runners strive to get faster, and boosting VO2 max is often part of that goal. One way to achieve both: The interval workout known as the Norwegian 4x4.

29-year-old Alex Masai, who placed 3rd place in the 2025 Chicago Marathon, gave a glimpse at the training approach that keeps ...

Lactate threshold workouts are one of the most important parts of a distance-running training plan. Putting your body through this type of exercise will help you run faster and run longer. “Lactate ...

When you toe the start line of a 10K, your race day is going to be totally different than if you were running a marathon. But despite the contrast in those two race experiences, there are some ...

For your speed workout, try a fartlek run/walk: After a walking or easy running warmup, run hard for 30 seconds or as long as ...

Add Yahoo as a preferred source to see more of our stories on Google. As the ways we approach exercise have shifted in the face of changing technology, having a digital training partner has become ...

I know I don’t have all day to spend in the gym, and I'm guessing you don't either. Optimizing your workouts so they're efficient and effective is a must. So that begs the question, how long should a ...