Micah Herndon, 32, pictured at right, is a retired Marine. He lost three friends when an improvised explosive device (IED) hit their vehicle in Afghanistan almost a decade ago, while he was working as the lead machine gunner in the convoy ahead of them, and he wears their names—Ballard, Hamer, and Juarez—emblazoned across his chest when he runs. And after all that, he says, he is humbled by the marathon. Read more on how herndonmicah found his "why" on nyrr.org. #TCSNYCMarathon #MovedMe