PORSCHE RACING HISTORYHelmut Marko (A)
1970 : Spa 1000 km - 2nd in class : Nürburgring 1000 km - 3rd in class : Le Mans 24 Hours - 3rd overall, 1st in class : Watkins Glen 6 Hours - 1st in class
17 May 1970 - Spa 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 908/02 | 908/02-023 | P3.0 | Hans-Dieter Dechent (D)/Helmut Marko (A) | Martini International Racing Team (D) | 11th | 2nd | 14th | 62 laps |
31 May 1970 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 908/02 Flunder | 908/02-005 | P3.0 | Gérard Larrousse (F)/Helmut Marko (A) | Int. Martini Racing Team (D) | 5th | 3rd | 10th | 42 laps |
16 June 1970 - Le Mans 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 27 | Porsche 908/02 LH | 908/02-005 | P3.0 | Rudi Lins (A)/Helmut Marko (A) | Martini International Racing (D) | 3rd | 1st | 22nd | 335 laps |
28 June 1970 - Interserie Norisring - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 32 | Porsche 908/02 | Helmut Marko (A) | International Martini Racing Team (D) | 17th | 15th | 59 laps - Starter Motor |
11 July 1970 - Watkins Glen 6 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 36 | Porsche 908/02 | 908/02-005 | P3.0 | Helmut Marko (A)/Rudi Lins (A) | International Martini & Rossi Racing Team (D) | 7th | 1st | 9th | 288 laps |
11 October 1970 - Zeltweg 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 20 | Porsche 917 K | 917-020 | S5.0 | Kurt Ahrens Jr. (D)/Helmut Marko (A) | Porsche KG Salzburg (A) | DNF | 3rd | Out of Fuel |