If you're running a marathon this year, what smartwatch are you using to track your progress around the course? And how do you know whether it's as accurate as it claims to be?
From a user’s perspective, it’s difficult to know exactly how accurate your wearable is. For example, if you’re in the market for the best running watch, what are the chances that you’ll have the opportunity to strap on two different models at once and run the same route to compare that data?
