Few would disagree that cardio, also called aerobic exercise, is good for your health. Of the 10 most common chronic diseases, seven are "favorably influenced by regular physical activity," according ...

You likely know the importance of zone 2 training—low-intensity miles that are the foundation of distance running plans. The challenge? Finding your personal zone 2 range, and sticking to it. That’s ...

Zone 2 training has recently become a staple in my routine, and I can see why the experts are such keen advocates. Before now, I would force myself to go hard whenever I did a cardio or HIIT workout, ...