PORSCHE RACING HISTORY1979 - Road Atlanta 100 Miles
23 September 1979 - Road Atlanta Circuit, USA
Peter Gregg wins in a Porsche 935/79
Overall - 1st, 2nd : GTX - 1st, 2nd
| 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 |
| 18 | Porsche 935 JLP-1 | JLP-1 | GTX | John Paul Sr. (USA) | JLP Racing (USA) | 2nd | 2nd | 3rd | 40 laps |
| 85 | Porsche 935 | 930 770 0909 | GTX | Hurley Haywood (USA) | Bayside Disposal Racing (USA) | 4th | 4th | 4th | 40 laps |
| 93 | Porsche 935 | 930 670 0152 | GTX | Don Whittington (USA) | Whittington Brothers Racing (USA) | 5th | 5th | 2nd | 39 laps - DNF |
| 5 | Porsche 935 | 930 770 0957 | GTX | Charles Mendez (USA) | Busch Beer (USA) | 6th | 6th | 5th | 39 laps |
| 0 | Porsche 935/79 | 930 990 0029 | GTX | Ted Field (USA) | Interscope Racing (USA) | 7th | 7th | 13th | 39 laps |
| 05 | Porsche 935 | 930 770 0957 | GTX | Bob Akin (USA) | Busch Beer (USA) | 8th | 8th | 7th | 38 laps |
| 95 | Porsche 935/77A | 930 890 0023 | GTX | Dale Whittington (USA) | Whittington Brothers Racing (USA) | 9th | 9th | 33rd | 38 laps |
| 86 | Porsche 935/77A | 930 890 0018 | GTX | Bruce Leven (USA) | Bayside Disposal Racing (USA) | 10th | 10th | 14th | 38 laps |
| 09 | Porsche 935/77A | 930 890 0021 | GTX | Preston Henn (USA) | Michelob Light (USA) | 11th | 11th | 16th | 38 laps |
| 58 | Porsche 911 Carrera RSR | GTO | Francisco Romero (YV) | Diego Febles Racing | 15th | 4th | 19th | 37 laps | |
| 94 | Porsche 935/79 | 930 990 0026 | GTX | Bill Whittington (USA) | Whittington Brothers Racing (USA) | 16th | 12th | 41st | 36 laps - DNF |
| 54 | Porsche 911 Carrera RSR | 911 360 0610 | GTO | Tony Garcia (USA) | Montura Racing (USA) | 18th | 6th | 23rd | 36 laps |
| 8 | Porsche 911 Carrera RSR | 911 460 0035 | GTO | Bob Beasley (USA) | Bob Beasley Racing | 21st | 9th | 25th | 36 laps |
| 32 | Porsche 934 | 930 670 0167 | GTO | Chester Vincentz (USA) | Electrodyne Racing (USA) | 26th | 13th | 34th | 33 laps - DNF |
| 03 | Porsche 934 | 930 670 0162 | GTO | Werner Frank (USA) | Werner Frank (USA) | 27th | 14th | 15th | 27 laps - DNF |
| 30 | Porsche 935/79 | 930 990 0032 | GTX | Gianpiero Moretti (I) | Electrodyne (I) | 31st | 16th | 38th | 9 laps - DNF |
| 46 | Porsche 911 Carrera RSR | 911 360 0865 | GTO | Mauricio DeNarváez (COL) | de Narvaez Racing (CO) | 33rd | 17th | 21st | 9 laps - DNF |
| 13 | Porsche 935 | 930 770 0905 | GTX | Randolph Townsend (USA) | Andial (USA) | 35th | 18th | 12th | 8 laps - DNF |
| 00 | Porsche 935/77A | 930 890 0019 | GTX | Danny Ongais (USA) | Interscope Racing (USA) | 38th | 20th | 35th | 0 laps - DNF |
IMSA - International Motor Sport Association
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