Last weekend at one of the world’s most extreme races, the Sea Ice Marathon in Luleå, Sweden, Polish endurance runner Pawel ...

While there is no Guinness World Record for fastest marathon in jeans, the record for fastest marathon dressed as a rancher ...

Rehydrating is more than just drinking water—especially if you’ve been sweating heavily. Electrolytes like sodium, potassium ...

The video captures the state of panic that sets in for some runners at the first sign of snowfall; this group bundles up in ...