Aktiv SK
Aktiv Skøyteklubb, formerly Arbeidernes Skøyteklubb is a Norwegian speed skating club from Oslo.
The club was founded as Arbeidernes Cykleklubb in 1924, and adopted Arbeidernes Skøyteklubb in 1927. It was a member of the Workers' Sports Federation. After the discontinuation of the Workers' Sports Federation, it retained its worker name until 1978. It then went by ASK; from 2001 Aktiv Skøyteklubb. Its home track is Valle Hovin, formerly Jordal stadion.
Well-known speed skaters include Berit Haugård, Knut Johannesen, Per Willy Guttormsen, Sigrid Sundby Dybedahl, Ivar Eriksen, Kai Arne Engelstad, Bjørn Nyland, Frode Rønning, Geir Karlstad and Petter Andersen.