Regio-Ring

Regio-Ring was a 3.240 km former airfield circuit located on the Lahr Airport in Lahr, Baden-Württemberg, Germany.

The circuit's original length was 3.352 km, it was shortened to 3.240 km in 1998, however it was closed in 1999 by the circuit operator ADAC Südbaden due to the expansion of Lahr Airport and impossibility of operating three-day race events.

Lap records
The fastest official race lap records at the Regio-Ring are listed as: