But you don’t have to let boredom kill your long runs. Make it feel less monotonous with some key tips from Nell Rojas, run coach, Nike professional marathoner, and host of How to Run Longer. Whether ...

You've probably heard that running is tough on your knees—and even that it can cause long-term damage. But is this true? Subscribe to our newsletter for the latest sci-tech news updates. Running is a ...