In the 21st century, everyone is a runner. Or so it seems. Not everyone runs marathons, but a heck of a lot of people run half marathons. And even more run 5Ks. But there was a time, in the early days of the running boom, that running—or jogging, as it was mostly known back then—wasn’t yet a mainstream fitness activity. Back then it was mostly just a fad, something that weirdos did, as this funny video from so astutely illustrates.