Runner’s high? I hear that phrase and the memes from The Princess Bride run through my head. It is hard to feel a sense of euphoria around something that has always discouraged you and made you insecure. Some people enjoy running. From the time I was little, and forced to participate in summer track, I remember dreading it. I was never the fastest kid, and my short legs made field events improbable at best. Stuck running long distance and relay races…and when I got old…