Summer has arrived in the Pacific Northwest, and with it all of the summertime races that we (hope) to enjoy in the sunshine. One of my favorites each year is the ORRC Summer Solstice 5K at the Oregon Zoo. First off, the race starts at 7pm so no crazy alarm clocks needed. Second, race participants and their guests are the only people in the zoo for three hours. I’ll be looking for you red pandas.…