A blood analysis is a great tool for amateur athletes to use if they want to become faster.
Learn how to perform a sweat test and ensure that you're always properly hydrated.
The world’s most famous ultrarunner talks about his life, diet, cross-training and his favorite subject of all, running.
Ultrarunning champion Scott Jurek shares the lessons he's learned through the years.
We catch up with the top American woman at the 2010 Boston Marathon.
See how all the magic happens!
John Bingham shares one of his proudest moments as an athlete. What's yours?
New running apps are popping up all the time. Here are five you should consider adding to your digital dashboard.
These runners have pulled off some amazing running feats. Are they superhuman, obsessed or just out of their minds?
How much is too much? Or not enough?