After completing a half marathon in an orange orchard several years ago, I obviously had to learn about a race with a 50+ year history that has participants going alongside vineyards in my beloved Pacific Northwest. With Zena Road Runs, you get to choose from three race distances (3-mile, 6-mile, and 15K). The 15K is a loop course and the oldest race course in Oregon; the first participants crossed that start line in 1969. The…