1927-1939

In the early 1920s, races called ADAC Eifelrennen were held on public roads in the Eifel mountains. This soon was considered impractical and dangerous. In order to provide work and lure tourists into the area, the construction of a dedicated race track was proposed, following the examples of Italy's Monza and Berlin's AVUS, yet with a completely different character. The layout of the circuit in the mountains was similar to the Targa Florio, one of the most important motor races at that time. The original Nürburgring was meant to be a showcase for German automotive engineering and racing talent, and was built with both purposes in mind. Construction of the track, designed by the Eichler Architekturbüro from Ravensburg (led by Architect Gustav Eichler), began in September 1925.

The track was completed in spring of 1927, and the ADAC Eifelrennen races were continued there. The first World Cycling Championship race took place on 1927-06-19, and the first German Grand Prix a month later. In addition, the track was opened to the public in the evenings and at weekends, as a one-way toll road. The Gesamtstrecke consisted of 174 bends (prior to 1971 changes), and was 8 to 9 metres (26 to 30 ft) in width on average.

In 1939 the full Ring was used for the last time in major racing events, as future Grands Prix would be held only on the Nordschleife. Motorcycles and minor races mainly used the shorter and safer Südschleife. Many memorable pre-war races took place at the circuit, featuring the talents of early Ringmeister (Ringmasters) such as Rudolf Caracciola, Tazio Nuvolari and Bernd Rosemeyer.