▁of ▁ 2 8 ▁teams ▁divided ▁into ▁ 2 ▁groups ▁of ▁ 1 4 ▁teams . ▁ ▁The ▁league ▁was ▁played ▁as ▁a ▁double ▁round - ro bin ▁tournament , ▁where ▁all ▁teams ▁played ▁ 2 6 ▁matches . ▁The ▁season ▁began ▁on ▁ 1 3 ▁April ▁and ▁concluded ▁on ▁ 2 6 ▁October . ▁ ▁Team ▁changes ▁The ▁following ▁teams ▁changed ▁division ▁since ▁the ▁ 2 0 1 8 ▁season . ▁ ▁To ▁ 2 . ▁divis jon ▁Prom oted ▁from ▁ 3 . ▁divis jon ▁ ▁O pp sal ▁ ▁K vik ▁Hal den ▁ ▁S ola ▁ ▁S ot ra ▁ ▁By å sen ▁ ▁Sen ja ▁ ▁Re leg ated ▁from ▁ 1 . ▁divis jon ▁ ▁Å s ane ▁ ▁Flor ø ▁ ▁Lev anger ▁ ▁From ▁ 2 . ▁divis jon ▁Prom oted ▁to ▁ 1 . ▁divis jon ▁ ▁R auf oss ▁ ▁S ke id ▁ ▁K F UM ▁Os lo ▁ ▁Re leg ated ▁to ▁ 3 . ▁divis jon ▁ ▁Ny berg s und ▁ ▁H ø ne f oss ▁▁ ▁St ab æ k ▁ 2 ▁ ▁Fl ø y ▁ ▁V å ler eng a ▁ 2 ▁ ▁V ard ▁H au ges und ▁ ▁League ▁tables ▁ ▁Group ▁ 1 ▁ ▁Group ▁ 2 ▁ ▁Prom otion ▁play - offs ▁ ▁The ▁teams ▁who ▁finished ▁in ▁second ▁place ▁in ▁their ▁respective ▁group ▁qual ifie ed ▁for ▁the ▁promotion ▁play - offs , ▁where ▁they ▁faced ▁each ▁other ▁over ▁two ▁legs