The upgraded battery life on the Apple Watch Ultra 3 meant that I could take it away for a weekend trip to run a marathon ...

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 ...

Marathon's retro dive watch has finally arrived in the increasingly sought-after 36mm case size while maintaining its 300m water resistance.