PORSCHE RACING HISTORY1979 - Road Atlanta 100 Miles
8 April 1979 - Road Atlanta Circuit, USA
Peter Gregg wins in a Porsche 935/79
Overall - 1st, 3rd : GTX - 1st, 3rd : GTO - 1st, 2nd
| 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 |
| 93 | Porsche 934 | 930 670 0152 | GTX | Don Whittington (USA) | Whittington Brothers Racing (USA) | 3rd | 3rd | 5th | 39 laps |
| 30 | Porsche 935/79 | 930 990 0032 | GTX | Gianpiero Moretti (I) | Electrodyne (I) | 4th | 4th | 6th | 38 laps |
| 55 | Porsche 911 Carrera RSR | 911 560 9121 | GTO | Howard Meister (USA) | Alan Johnson Racing/Meister Homes | 5th | 1st | 16th | 38 laps |
| 5 | Porsche 935 | 930 770 0957 | GTX | Charles Mendez (USA) | Busch Racing (USA) | 8th | 7th | 13th | 38 laps |
| 46 | Porsche 911 Carrera RSR | 911 360 0865 | GTO | Mauricio DeNarváez (COL) | Mauricio DeNarvaez (CO) | 9th | 2nd | 19th | 37 laps |
| 98 | Porsche 911 Carrera RSR | GTO | Ash Tisdelle (USA) | Van Every Racing (USA) | 11th | 4th | 24th | 37 laps | |
| 07 | Porsche 911 Carrera RSR | 911 560 9114 | GTO | Dave Cowart (USA) | Morrison's Inc. | 12th | 5th | 15th | 37 laps |
| 94 | Porsche 935/79 | 930 990 0026 | GTX | Bill Whittington (USA) | Whittington Brothers Racing (USA) | 13th | 8th | 4th | 37 laps |
| 00 | Porsche 935/77A | 930 890 0019 | GTX | Ted Field (USA) | Interscope Racing (USA) | 14th | 9th | 8th | 36 laps |
| 54 | Porsche 911 Carrera RSR | 911 360 0610 | GTO | Tony Garcia (USA) | Montura (USA) | 17th | 8th | 30th | 33 laps |
| 09 | Porsche 935/77A | 930 890 0021 | GTX | Preston Henn (USA) | Thunderbird Swap Shops (USA) | 19th | 10th | 11th | 33 laps |
| 0 | Porsche 935/79 | 930 990 0029 | GTX | Danny Ongais (USA) | Interscope Racing (USA) | 23rd | 12th | 3rd | 31 laps - DNF |
| 03 | Porsche 934 | 930 670 0162 | GTO | Werner Frank (USA) | Werner Frank (USA) | 24th | 12th | 36th | 30 laps - DNF |
| 38 | Porsche 911 Carrera RSR | 911 460 9113 | GTO | Bonky Fernandez (PR) | Boricua Racing (PR) | 25th | 13th | 17th | 29 laps - DNF |
| 85 | Porsche 914/6 | GTO | John Hulen (USA) | John Hulen (USA) | 30th | 16th | 38th | 16 laps - DNF | |
| 28 | Porsche 935 | 930 770 0960 | GTX | Clif Kearns (USA) | Desperado Racing (USA) | 32nd | 15th | 14th | 8 laps - DNF |
| 8 | Porsche 911 Carrera RSR | 911 460 0035 | GTO | Bob Beasley (USA) | Bob Beasley | 33rd | 18th | 29th | 6 laps - DNF |
IMSA - International Motor Sport Association
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