Thialf () is an ice arena in Heerenveen, Netherlands. Thialf consists of the Thialf-hal (a 12,500-capacity speed skating venue) and the Elfstedenhal (a 2,500-capacity ice hockey venue). Thialf is used for long track speed skating, short track speed skating, ice hockey, figure skating, ice speedway, and non-sporting events. The outdoor rink was opened in 1967, and the indoor stadium was opened in 1986. Several world records have been set in the indoor stadium.
