There are a bunch of different reasons that serious endurance athletes generally don't have big pipes. The most obvious one is that they spend a lot of time running and pedaling and so on, and very ...

Ever wonder why some people seem to pack on muscle effortlessly while others spend months in the gym with little to show for it? Muscle growth isn't just about lifting weights -- it's a complex ...

Sprinting can deliver the benefits of an hour-long workout in just a few minutes. Unlike steady-state running, Sprinting is ...

Your running speed partly comes down to factors you can't control, like genetics, and partly relies on your training. When you purchase through links on our site, we may earn an affiliate commission.