There's no doubt that running apps have revitalised fitness regimes and made runners' lives a whole lot simpler and easier. But with such a huge variety available, it can be difficult to dig out the ...

Mark Cucuzzella, M.D., has never been one to chase records, but at the age of 51, the runner and family physician from Shepherdstown, West Virginia, now finds himself in the hunt. On the line? Beating ...

In a Beaverton studio encased by fake graffiti walls and a web of metal pipes, fitness devotees are pushing their bodies to their limits. But they're not running on treadmills or lifting weights.