A marathon is a big challenge, no doubt, but once you’ve done one, or even several, where do you go next? How about running even further and earning the title of ultrarunner? This booming format is ...

A good strength training program for runners blends current fitness with running goals. Which is to say it needs to be progressive, not leave you too sore to run and focus on some of the common ...

Tigst Assefa broke the marathon world record by more than two minutes in Berlin last month. That’s mind-boggling. Then again, Courtney Dauwalter broke the course record at the Western States 100-Mile ...