PORSCHE RACING HISTORYClemens Schickentanz (D)
1975 : Mugello 1000 Km - 2nd in class : Dijon 800 Km - 2nd in class : Spa 1000 Km - 3rd in class : Coppa Florio - 1st in class : Coppa Florio - 2nd in class : Monza 6 Hours - 1st overall : Zolder [GT/T+2.0] - 2nd overall
23 March 1975 - Mugello 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 52 | Porsche 911 Carrera RSR | 911 460 9067 | GT | Clemens Schickentanz (D)/Hartwig Bertrams (D)/Reine Wisell (S) | Tebernum Porsche Racing (D) | 10th | 2nd | 22nd | 134 laps |
23 March 1975 - Mugello 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 911 Carrera RSR | 911 560 9121 | GT | Hartwig Bertrams (D)/Clemens Schickentanz (D)/Reine Wisell (S) | Tebernum Porsche Racing (D) | 12th | 4th | 25th | 131 laps |
6 April 1975 - Dijon 800 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 8 | Porsche 911 Carrera RSR | 911 560 9121 | GT | Clemens Schickentanz (D)/Hartwig Bertrams (D)/Reine Wisell (S) | Tebernum Porsche Racing (D) | 7th | 2nd | 19th | 218 laps |
20 April 1975 - Monza 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 81 | Porsche 911 Carrera RSR | 911 560 9121 | S3.0 | Clemens Schickentanz (D)/Hartwig Bertrams (D)/Reine Wisell (S) | Tebernum Porsche Racing Team (D) | 9th | 7th | 31st | 154 laps |
20 April 1975 - Monza 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 79 | Porsche 911 Carrera RSR | 911 460 9067 | S3.0 | Reine Wisell (S)/Clemens Schickentanz (D)/Hartwig Bertrams (D) | Tebernum Porsche Racing Team (D) | DNF | 29th | 104 laps - Out of Petrol |
4 May 1975 - Spa 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 41 | Porsche 911 Carrera RSR | 911 460 9067 | GT | Clemens Schickentanz (D)/Hartwig Bertrams (D)/Reine Wisell (S) | Tebernum Racing (D) | 6th | 3rd | 21st | 48 laps |
18 May 1975 - Coppa Florio - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 48 | Porsche 911 Carrera RSR | 911 560 9121 | GT | Hartwig Bertrams (D)/Clemens Schickentanz (D)/Reine Wisell (S) | Tebernum Porsche Racing Team (D) | 4th | 1st | 12th | 182 laps |
18 May 1975 - Coppa Florio - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 47 | Porsche 911 Carrera RSR | 911 460 9067 | GT | Clemens Schickentanz (D)/Hartwig Bertrams (D)/Reine Wisell (S) | Tebernum Porsche Racing Team (D) | 5th | 2nd | 9th | 178 laps |
1 June 1975 - Nürburgring 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 58 | Porsche 911 Carrera RSR | 911 460 9067 | GT+1.6 | Clemens Schickentanz (D)/Hartwig Bertrams (D)/Reine Wisell (S) | Tebernum-Porsche-Racing-Team (D) | 14th | 5th | 28th | 39 laps |
1 June 1975 - Nürburgring 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 911 Carrera RSR | 911 560 9121 | GT+1.6 | Hartwig Bertrams (D)/Clemens Schickentanz (D)/Reine Wisell (S) | Tebernum-Porsche-Racing-Team (D) | DNF | 38th | 13 laps - DNF |
8 June 1975 - DRM Hockenheim Rhein-Pokal - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 45 | Porsche 911 Carrera RSR | 911 460 9067 | Div.I | Clemens Schickentanz (D) | Tebernum Porsche Racing (D) | DNF | 108th | 11 laps |
15 June 1975 - Le Mans 24 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 911 Carrera RSR | 911 560 9121 | GTS | Clemens Schickentanz (D)/Hartwig Bertrams (D) | Joest Racing (D) | DNF | 16th | 42 laps - Engine |
29 June 1975 - European GT Championship Norisring - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 911 Carrera RSR | GT3.0 | Clemens Schickentanz (D) | Tebernum Porsche (D) | ? |
17 August 1975 - DRM Kassel-Calden - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 64 | Porsche 911 Carrera RSR | 911 560 9121 | Div.1 | Clemens Schickentanz (D) | Tebernum Porsche Racing Team (D) | 4th | 4th | 9th | 40 laps |
28 September 1975 - Monza 6 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 33 | Porsche 911 Carrera RSR | 911 460 9067 | GT3.0 | Hartwig Bertrams (D)/Bengt Ekberg (S)/Clemens Schickentanz (D) | Tebernum Porsche Racing Team (D) | 1st | 1st | 5th | 195 laps |
28 September 1975 - Monza 6 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 32 | Porsche 911 Carrera RSR | GT3.0 | Clemens Schickentanz (D)/Reine Wisell (S) | Tebernum Porsche Racing Team (D) | DNF |
19 October 1975 - Zolder [GT/T+2.0] - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 Carrera RSR | 911 560 9121 | T/GT+2.0 | Clemens Schickentanz (D) | Tebernum-Porsche-Racing-Team (D) | 2nd | 2nd |