Germany does not have a shortage of permanent racing venues. However, not long ago, airfield circuits were quite common – and Diepholz was one of those that lasted the longest.
Nürburgring, Hockenheim, Sachsenring, Oschersleben, Lausitzring – Germany certainly has no shortage of purpose-built racing circuits relative to its size. You could also throw Bilster Berg in the mix, although the venue is officially classified as a test track that has not been built with actual racing in…