Ö TILL Ö is a unique race in a unique environment. Teams of two race together from island to island (Ö till Ö). The teams swim between the islands and run on them. The total distance is 75 kilometres of which 10 km are swimming and 65 km are running.
The course starts by the Seglarhotel in Sandhamn and finishes at Utö Värdshus on Utö. The course passes the big islands of Runmarö, Nämdö and Ornö. The running sections are beautiful. At times the course goes through the wood without trail but most of the time the course is on trail or gravelled roads. The swim sections are between 100 and 1600 metres long.