Running sprints can help you increase speed and lose weight, while long-distance running is best for race training and ...

Easy running, by definition, should feel easy. But as any runner knows, those long, slow runs can sometimes be the most difficult of a training program—both mentally and physically. Some good news: ...

A new study shows a potential link between extreme endurance exercise and increased risk of advanced colon cancer in younger adults, according to research at Inova Schar Cancer Institute, in Fairfax, ...