Fueled by the rise of run clubs, social media influencers and a growing interest in wellness, demand for marathons has surged in recent years. Most people will never run a marathon. Then there’s ...

Winter isn’t the most popular season for running in the U.S. given that most of the northern states are covered in snow and fending off freezing temperatures during December, January, and February.

Runners already face a daunting challenge when they line up at the start of a marathon, but they might increasingly find themselves with another obstacle to reckon with: global warming. A new study ...