The consensus from both coaches is that you should aim for a general pace increase of five to 10 seconds per mile for tougher ...

The Norwegian 4x4 workout is a cardio workout, which includes 4 sets of 4-minute intervals where you push yourself to 85-95% of your maximum heart rate. It is high-intensity and designed to increase ...

Elite coach Olav Aleksander Bu has trained top athletes with the Norwegian method. You can use it to boost your own V02 max ...

The best way to increase your VO2 max is with hard interval workouts. Specifically, repeated intervals lasting three to five minutes, with equal or shorter recovery. A good place to start to build ...

Experts explain how cycle syncing works and how tailoring your workout schedule to your menstrual cycle could boost exercise ...

Summer is the most popular season to work out, studies show, with 45% of people keeping active, much higher than in winter, ...

This workout involves four four-minute segments of intense running at a high percentage of your maximum heart rate, followed by three minutes of active recovery. It's designed to improve VO2 max ...