Regio-Ring
Regio-Ring was a motorsports racetack located on the Lahr Airport in Lahr, Baden-Württemberg, Germany. Created by ADAC Südbaden, the circuit's original length was, and was shortened to in 1998.
The track was first used at the Divinol Tourenwagen Cup in August 1996. The Super Tourenwagen Cup and German [Formula Three Championship] raced at the venue in September 1997 and July 1998, with the Porsche [Carrera Cup Germany] also held in the latter.
The IDM Superbike Championship announced a race for 1999 but was later cancelled. The track was never used again, due to the expansion of the airport and the impossibility of operating three-day race events.