Castle Solitude, Stuttgart, Baden-Wurttemberg, Germany
Circuit Type: Temporary road course
1935/19651922/1930
Shorter track to the south of Solitude
Extension: 11,417 Km
Lap Record: 03:49.100
Year: 1963
Driver: Jim Clark
Car: Lotus-Climax 25
Speed: 179,277 Km/h
Pole Record: 03:49.600
Year: 1964
Driver: Jim Clark
Car: Lotus-Climax 33
Speed: 178,887 Km/h
| Year | Official Name | Date | Winning Driver | Constructor | Laps | Time | Formula |
|---|---|---|---|---|---|---|---|
| 1964 | XIV Grosser Preis der Solitude | July 19 |  Jim Clark |
Lotus |
20 | 01:33:02.200 | F1EC |
| 1963 | XIII Grosser Preis der Solitude | July 28 |  Jack Brabham |
Brabham |
25 | 01:40:06.900 | F1EC |
| 1962 | XII Grosser Preis der Solitude | July 15 |  Dan Gurney |
 Porsche |
25 | 01:45:37.200 | F1EC |
| 1961 | XI Grosser Preis der Solitude | July 23 | Innes Ireland |
Lotus |
25 | 01:41:04.600 | F1EC |
Original Road Course
Extension: 22,3 Km
Lap Record: 13:23.300
Year: 1926
Driver: Christian Werner
Car: Mercedes Grand Prix
Speed: 99,9 Km/h
| Year | Official Name | Date | Winning Driver | Constructor | Laps | Time | Formula |
|---|---|---|---|---|---|---|---|
| 1926 | II Solitude-Rennen | September 12 | Otto Merz |
Mercedes |
20 | 04:50:24.400 | GP |
| 1925 | I Solitude-Rennen | May 17 | Otto Merz |
Mercedes |
10 | 02:22:09.100 | GP |