Ringle Segment Boardwalk. Photo by Dave Caliebe. Published September 25, 2020 at 600 × 400 in Mobile Skills Crew Event: Join us on the Ringle Segment! ← Previous The final MSC event of the 2020 trailbuilding season will be taking place on the Ringle Segment of the Ice Age National Scenic Trail on October 5-11. Photo by Dave Caliebe.