RAGBRAI is returning to Ames for its 50th anniversary and will be an overnight stop along the route on Tuesday, June 25. Camping Locations Main Campground (tent camping only): Brookside Park Charters/Assigned Campgrounds: Brookside Park East, ISU field south of Lied Field, Iowa State Center Harvester Plaza, field southeast of Hilton Coliseum, Towers recreation fields,.