By alternating between running and walking, you gradually build stamina and aerobic capacity, says Hayes, without physically ...

No matter your starting point, this program can help you discover the physical and mental health benefits of running.

I’ve been running since I was 20 years old, so by the time I hit my 40s, I thought I had my formula figured out: log the miles, do a few hip and core exercises, and rest a couple of times a week ...