PORSCHE RACING HISTORYBob Holbert (USA)
1961 : Sebring 12 Hours - 1st in class : Le Mans 24 Hours - 1st in class
25 March 1961 - Sebring 12 Hours - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 718 RS61 | 718-073 | S1.6 | Bob Holbert (USA)/Roger Penske (USA) | Brumos Porsche Company (USA) | 5th | 1st | 199 laps |
11 June 1961 - Le Mans 24 Hours - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 33 | Porsche 718 RS61 | 718-047 | S2.0 | Bob Holbert (USA)/Masten Gregory (USA) | Porsche System Engineering (D) | 5th | 1st | 309 laps |