The association Engadin Skimarathon and the ten Engadin ski clubs Maloja, Sils, Corvatsch-Silvaplana, Suvretta-Champfèr, Alpina St. Moritz, Trais Fluors Celerina, Bernina-Pontresina, Piz Ot Samedan, Zuoz and Sarsura Zernez are responsible for the organisation and realisation.