I first tried the Norwegian 4x4 workout a year ago, and since then, it has become a staple of my fitness routine. I don't do it every week (some folks do), but it's a workout I keep returning to ...

The running watch market has boomed over the past couple of years, with a plethora of models making it trickier than ever to choose the right one for you. Two of the biggest players in the space are ...