Saturday’s Mill Race Marathon start went off in near perfect running conditions. The sun peeked over the horizon with morning temperatures in the 50s as runners were taking their marks. It was a much ...

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On Saturday, December 13, Phoenix made history by hosting its first signature city marathon, drawing runners from across the United States and around the world to compete in a brand-new 26.2-mile ...

When the opportunity to run the 5th Avenue Mile in New York City came around this year—they have a media mile in which Runner’s World editors can participate—I had already been about six weeks into ...

The 100 Marathon Club is one of the world’s most exclusive. So exclusive, in fact, that 11 times more people have climbed Everest than have been admitted as members. All of those 657 full members have ...

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 ...