O-Ringen is the world's largest orienteering competition, held annually in Sweden. The event attracts thousands of participants and includes various categories, making it accessible to both elite and amateur orienteers. It typically takes place over a week in different locations across Sweden, featuring multiple stages and competitions in diverse terrains.

Every year, a new illustration is created that captures the essence of the location hosting O-Ringen. These illustrations feature characteristic landmarks, buildings, and the unique environment of the location. The focus is on showcasing the O-Ringen location prominently, highlighting both the local cultural significance and the excitement of the event itself.