Coming June 6, 2015. Happy National Trails Day! The country’s largest celebration of trails is just the day to get out and try the Run to the Ruts event at the National Historic Oregon Trail Interpretive Center in Eastern Oregon. This is a challenging 10K run or 5K run/walk with a mixture of gravel road, paved trails, dirt trails, and several tight curves. Race finisher can enjoy breakfast burritos and then learn about the harrowing 2,000-mile journey of the Oregon Trail at the Interpretive Center.