I ran a marathon, once upon a time. (If you could call what I did “running.” It took me nearly five hours—you do the math.) Still, I did it: laced up my New Balances, pounded the pavement through five months of training, and then went ahead and finished the whole 26.2. Some folks, including my podiatrist (bunions), didn't think I could do it. But as sports psychologists I talked to told me, physical feats are often more about mind than matter. Just in time for those New Year's resolutions, here are five evidence-based tips for upping your running game—or any physical activity you choose.
