Suunto’s newest adventure watch finally bridges power and polish—with GPS accuracy, off-grid mapping, and battery life that ...

For pacing, navigation, fitness stats and so much more, a GPS smartwatch is an essential accessory for every runner – and we’ve tested them to the max. From Garmin, Polar, Suunto and Coros, here are ...

When I failed to hit my desired time, I had to figure out whether I traveled too long of a route — or whether technology was to blame. Jason Margolis is the Globe’s climate science and transportation ...