PORSCHE RACING HISTORYArthur Blank (CH)
1969
25 April 1969 - Monza 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 46 | Porsche 910 | S2.0 | Arthur Blank (CH)/Peter Ettmüller (CH) | Hart Ski Racing Team | DNF | 29th | 84 laps - Out of Fuel |
13 July 1969 - Solituderennen Hockenheim - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 910 | 910-027 | S2.0 | Arthur Blank (CH) | V10 Kleber Team (D) | 6th | 26th |
10 August 1969 - Zeltweg 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 910 | 910-027 | S2.0 | Arthur Blank (CH)/Peter Ditzler (CH) | Hart Ski Racing Team (CH) | 12th | 4th | 29th | 152 laps |