PORSCHE RACING HISTORYHelmut Marko (A)
1971 : Nürburgring 1000 km - 3rd overall : Le Mans 24 Hours - 1st overall
10 January 1971 - Buenos Aires 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 36 | Porsche 917 K | 917-019 | S | Helmut Marko (A)/Gijs van Lennep (NL) | Martini International Racing Team (D) | DNF | 10th | 2 laps - Engine |
31 January 1971 - Daytona 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 917 K | 917-019 | S | Helmut Marko (A)/Rudi Lins (A) | Martini & Rossi Racing Team (D) | DNF | 12th | 462 laps - Accident |
25 April 1971 - Monza 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 917 K | 917-019 | S5.0 | Helmut Marko (A)/Gijs van Lennep (NL) | Martini International Racing Team (D) | DNF | 12th | 60 laps - Throttle Linkage |
9 May 1971 - Spa 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 917 K | 917-019 | S5.0 | Helmut Marko (A)/Gijs van Lennep (NL) | Martini Team (D) | DNF | 4th | 6 laps - Engine |
30 May 1971 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 908/03 | P3.0 | Gijs van Lennep (NL)/Helmut Marko (A) | Martini Racing Team (D) | 3rd | 3rd | 4th | 44 laps |
13 June 1971 - Le Mans 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 917 K | 917-053 | S5.0 | Helmut Marko (A)/Gijs van Lennep (NL) | Martini International Racing (D) | 1st | 1st | 5th | 397 laps |
17 October 1971 - Paris 1000 km - Championnat de France des Circuits
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 917 Spyder | 917-007 | Gr.6 | Helmut Marko (A)/Michel Weber (D) | Gesipa Rivets (D) | 17th | 7th | 1st | 62 laps - Overheating |