PORSCHE RACING HISTORY917/10
1975
13 April 1975 - Interserie Hockenheim Jim Clark - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 917/10 TC | 917-010 | Div. I | Rolf Stommelen (D) | Gelo Racing Team Georg Loos (D) | DNF |
15 June 1975 - Interserie Mainz-Finthen - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 917/10 | Div.I | Ernst Kraus (D) | Ernst Kraus (D) | 2nd | 1st | 60 laps |
20 July 1975 - Interserie Hockenheim Südwestpokal - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 400 | Porsche 917/10 | Div.I | Ernst Kraus (D) | Ernst Kraus (D) | 4th | 1st | 1st | 15 laps |
17 August 1975 - Interserie Kassel-Calden - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 917/10 | Div.I | Ernst Kraus (D) | Ernst Kraus (D) | 7th | 2nd | 38 laps |
24 August 1975 - Interserie Zandvoort - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 917/10 | Div.I | Tim Schenken (AUS) | Gelo-Racing Loos (D) | 1st | 1st | 2nd | 30 laps | |
| 2 | Porsche 917/10 | Div.I | Ernst Kraus (D) | Ernst Kraus (D) | 3rd | 3rd | 3rd | 30 laps |
7 September 1975 - Interserie Nürburgring Supersprint - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 917/10 | Div.I | Tim Schenken (AUS) | GELO-Racing-Team (D) | 1st | 1st | 3rd | 50 laps | |
| 2 | Porsche 917/10 | Div.I | Ernst Kraus (D) | Ernst Kraus (D) | 4th | 3rd | 7th | 50 laps |
28 September 1975 - Interserie Hockenheim Preis von Baden-Württemberg - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 917/10 | Div.I | Tim Schenken (AUS) | Gelo Racing Team, Georg Loos (D) | 1st | 1st | 20 laps | ||
| 7 | Porsche 917/10 | Div.I | Ernst Kraus (D) | Ernst Kraus (D) | 2nd | 2nd | 20 laps |