A few weeks ago, Slate published an article with the pointed title, ‘Don’t run a marathon. You have better things to do.’ While this is a pretty classic case of Internet click-bait, and I would really rather not give Daniel Engber the satisfaction of increased web traffic and comments on his provocation, I have to admit: I opened the link. As a runner who, just last month, signed up for her first marathon, I couldn’t help myself… The click-bait worked.