PORSCHE RACING HISTORYPeter Gregg (USA)
1968 : Daytona 24 Hours - 1st in class : Watkins Glen 6 Hours - 1st in class
4 February 1968 - Daytona 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 911 | TA2.0 | Peter Gregg (USA)/Sten Axelsson (S) | Brumos Porsche (USA) | 9th | 1st | 35th | 589 laps |
19 May 1968 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 117 | Porsche 911 S | 306 614 S | GT2.0 | Björn Rothstein (S)/Peter Gregg (USA) | Sten Axelsson Roadracing (S) | 27th | 4th | 42nd | 38 laps |
14 July 1968 - Watkins Glen 6 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 911 T | GT2.0 | Bert Everett (USA)/Peter Gregg (USA) | Brumos Porsche Corp. (USA) | 8th | 1st | 21st | 244 laps |