PORSCHE RACING HISTORYHeinz Martin (D)
1976 : Daytona 24 Hours - 1st in class : Silverstone 6 Hours - 1st in class : Le Mans 24 Hours - 3rd in class
1 February 1976 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 911 Carrera RSR | Gr.5 | Dieter Schmid (D)/Wilhelm Bartels (D)/Heinz Martin (D)/Egon Evertz (D) | Sepp Greger | 12th | 1st | 35th | 475 laps |
9 May 1976 - Silverstone 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 25 | Porsche 934 | 930 670 0163 | GT | Lella Lombardi (I)/Heinz Martin (D) | Egon Evertz (D) | 5th | 1st | 11th | 206 laps |
30 May 1976 - Nürburgring 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 934 | 930 670 0163 | GT+3.0 | Lella Lombardi (I)/Heinz Martin (D) | Egon Evertz KG, Sollingen (D) | DNF | 19th | 29 laps - Accident |
13 June 1976 - Le Mans 24 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 63 | Porsche 911 Carrera RSR | 911 460 9071 | GP.5 | Heinz Martin (D)/Hartwig Bertrams (D)/Egon Evertz (D) | Egon Evertz K. G. (D) | 9th | 3rd | 39th | 302 laps |