The author in motion. Photo: Marathon Foto Before Sunday, I had never run 26.2 miles in my life. Like many people preparing for their first marathon, I spent months training for the actual race and weeks constructing a perfect playlist for it. This was a meticulous, almost scientific process. For the first few miles, I queued up some chill live sets from the War on Drugs. For the straightaways of Brooklyn: Big Thief. For the grueling inclines of the Queensboro Bridge: a turn to metal, with some