Many running watches aren't very interesting to... well, watch. You can't say that for Garmin's new Forerunner 220 and 620, both of which carry one-inch color screens that provide clearer visual cues ...

Your watch’s VO2 max isn’t perfect, but you can improve its accuracy with better data and heart-rate tracking.

When sorting through the features of the latest generation of fitness devices, runners might pause and ask, "Do I need that?" I wondered just that myself this fall, when I noticed that a number of ...

VO2 max is the maximum volume of oxygen you can absorb per minute per kilogram of body weight at your peak, and almost every Garmin watch can calculate this figure automatically. We have a dedicated ...

I’m not surprised that Garmin did well, but I am surprised by some of the watches at the bottom of the list. Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal ...