It is a unique contest partly because it is only the purebred dogs polar and partly to the contestants from the start is with him all the equipment including food for themselves and for the dogs. No help may be received during the competition and there is no depot.
The race goes on marked trails in the friendly mountain terrain, bog and magnificent woodland area Särna and Lillhärdal. The race is run at 160 kilometer or 300 kilometer, either in the Nordic style or dogsled.
Start and finish at Särna Camping.