PORSCHE RACING HISTORYGijs van Lennep (NL)
1971 : Nürburgring 1000 km - 3rd overall : Le Mans 24 Hours - 1st overall : Watkins Glen 6 Hours - 2nd overall, 1st in class : Paris 1000 km - 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 |
| 4 | Porsche 917 K | 917-023 | S | Vic Elford (GB)/Gijs van Lennep (NL) | Martini & Rossi Racing Team (D) | DNF | 11th | 274 laps - Accident |
4 April 1971 - Brands Hatch 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 917 K | 917-023 | S5.0 | Gijs van Lennep (NL)/Gérard Larrousse (F) | Martini International Racing | 9th | 5th | 7th | 216 laps |
18 April 1971 - Le Mans 3 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 20 | Porsche 917/20 | 917/20-001 | S5.0 | Willi Kauhsen (D)/Gijs van Lennep (NL) | Martini Racing Team (D) | DNF | 2nd | 28 laps - Ignition |
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 |
24 July 1971 - Watkins Glen 6 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 917 K | 917-014 | S | Jo Siffert (CH)/Gijs van Lennep (NL) | J. W. Automotive Engineering (GB) | 2nd | 1st | 2nd | 277 laps |
25 July 1971 - Can-Am Watkins Glen - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 92 | Porsche 917 K | 917-015 | Gijs van Lennep (NL) | John Wyer Automotive (GB) | 9th | 8th | 78 laps |
17 October 1971 - Paris 1000 km - Championnat de France des Circuits
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 917 K | 917-013 | Gr.5 | Derek Bell (GB)/Gijs van Lennep (NL) | J. W. Automotive (GB) | 1st | 1st | 3rd | 128 laps |