John Bradley is a former senior editor for Outside and currently the editor-in-chief of VeloNews. Follow him on Twitter @johnwbradley.
A Months-Long Journey in Search of the Ultimate Fitness Tracker
There are countless watches, bracelets, headbands, and foot pods on the market promising to record every little thing you do. But can any of it make you a better athlete? The author wades through the muck and the mire to data-mine his best self.