The Marathon Rubicon GSAR and TSAR, and the Willys Officer's Series GPM and GPQ, are serious watches with enough differences ...

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 ...

Luxury watchmaker TAG Heuer and American running giant New Balance have teamed up to redefine what premium training gear ...