Oregon Road Runners Club has been around for more than 40 years, and I’ve been involved personally as a member, board member, and editor of the club’s magazine, but even I was surprised when the club announced a brand-new race series built around their half marathons. Over the past two years, middle distances at some events have morphed into a half marathon (at Y2K, the Champoeg Park Runs, and the Blue Lake Runs), and one…