PORSCHE RACING HISTORYPeter Gregg (USA)
1979 : Road Atlanta 100 Miles - 1st overall : Laguna Seca 100 Miles - 1st overall : Hallett 100 Miles - 2nd overall : Lime Rock 100 Miles - 1st overall : Brainerd 100 Miles - 1st overall : Daytona Paul Revere 250 Miles - 3rd overall : Mid-Ohio 250 Miles - 1st overall : Trans-Am Road America - 1st overall : Sears Point 100 Miles - 1st overall : Portland 100 Miles - 1st overall : Road Atlanta 100 Miles - 1st overall
4 February 1979 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 935/77A | 930 890 0015 | GTX | Bob Wollek (F)/Jacky Ickx (B)/Peter Gregg (USA) | Gelo Racing Team (D) | 32nd | 6th | 3rd | 342 laps - Valves |
17 March 1979 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 935/77A | 930 890 0021 | GTX | Hurley Haywood (USA)/Preston Henn (USA)/Peter Gregg (USA) | Thunderbird Swap-Shop (USA) | 26th | 9th | 2nd | 157 laps - Engine |
8 April 1979 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 935/79 | 930 990 0030 | GTX | Peter Gregg (USA) | Brumos Porsche Audi (USA) | 1st | 1st | 1st | 40 laps |
22 April 1979 - Riverside 6 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 935/79 | 930 990 0030 | GTX | Peter Gregg (USA)/Klaus Ludwig (D) | Brumos Porsche (USA) | 5th | 5th | 1st | 185 laps |
29 April 1979 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 935/79 | 930 990 0030 | GTX | Peter Gregg (USA) | Brumos Porsche (USA) | 1st | 1st | 2nd | 53 laps |
13 May 1979 - Hallett 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 935/79 | 930 990 0030 | GTX | Peter Gregg (USA) | Brumos Porsche (USA) | 2nd | 2nd | 1st | 55 laps |
28 May 1979 - Lime Rock 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 935/79 | 930 990 0030 | GTX | Peter Gregg (USA) | Brumos Porsche (USA) | 1st | 1st | 1st | 65 laps |
17 June 1979 - Brainerd 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 935/79 | 930 990 0030 | GTX | Peter Gregg (USA) | Brumos Porsche (USA) | 1st | 1st | 1st | 33 laps |
4 July 1979 - Daytona Paul Revere 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 935/79 | 930 990 0030 | GTX | Peter Gregg (USA) | Brumos Porsche (USA) | 3rd | 3rd | 1st | 63 laps |
7 July 1979 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 85 | Porsche 935 | 930 770 0909 | TA-II | Peter Gregg (USA)/Hurley Haywood (USA)/Bruce Leven (USA) | Bayside Disposal Racing (USA) | 31st | 15th | 3rd | 72 laps - Engine |
7 July 1979 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 935/77A | 930 890 0021 | Gr.5 | Rick Mears (USA)/Preston Henn (USA)/Peter Gregg (USA) | Bayside Disposal Racing (USA) | 42nd | 5th | 7 laps - Fire |
15 July 1979 - Mid-Ohio 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 935/79 | 930 990 0030 | GTX | Peter Gregg (USA)/Hurley Haywood (USA) | Peter Gregg Racing (USA) | 1st | 1st | 1st | 104 laps |
21 July 1979 - Trans-Am Road America - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 935/79 | 930 990 0030 | TA-II | Peter Gregg (USA) | Bayside Disposal Racing, Inc. (USA) | 1st | 1st | 2nd | 25 laps |
29 July 1979 - Sears Point 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 935/79 | 930 990 0030 | GTX | Peter Gregg (USA) | 1st | 1st | 1st | 40 laps |
5 August 1979 - Portland 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 935/79 | 930 990 0030 | GTX | Peter Gregg (USA) | 1st | 1st | 1st | 51 laps |
2 September 1979 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 935/77A | 930 890 0018 | GTX | Peter Gregg (USA)/Hurley Haywood (USA)/Bruce Leven (USA) | Bayside Disposal Racing (USA) | 32nd | 9th | 1st | 68 laps - DNF |
23 September 1979 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 935/79 | 930 990 0030 | GTX | Peter Gregg (USA) | Peter Gregg Racing (USA) | 1st | 1st | 1st | 40 laps |
25 November 1979 - Daytona Finale 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 935/79 | 930 990 0030 | GTX | Peter Gregg (USA)/Hurley Haywood (USA) | 39th | 8th | 2nd | 33 laps |