Recent winter sports athletes of the Kongsberg region include Olympic snowboarders Stine Brun Kjeldaas, Silje Norendal and Halvor Lunn; cross-country ski sprinter Børre Næss of the village "Efteløt"; and ski jumper Sigurd Pettersen of nearby municipality Rollag (60 km/37 mi north of Kongsberg). A large ski centre for alpine skiing and snowboarding, with several lifts and ca 320 m of height difference has been in operation and gradually expanding since 1965. Kongsberg hosted the cross-country skiing parts of the 2006 Nordic skiing National Championships. The arranging sports club was IL Skrim, the ski tracks being located at Heistadmoen, a former military camp.