PORSCHE RACING HISTORY1980 - Road Atlanta 100 Miles
13 April 1980 - Road Atlanta Circuit, USA
Bill Whittington wins in a Porsche 935 K3
Overall - 1st, 2nd,3rd : GTX - 1st, 2nd, 3rd : GTO - 3rd
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 95 | Porsche 935 K3 | 930 890 0023 | GTX | Bill Whittington (USA) | Whittington Bros. Racing (USA) | 1st | 1st | 3rd | 19 laps |
| 86 | Porsche 935/77A | 930 890 0018 | GTX | Hurley Haywood (USA) | Hurley Haywood (USA) | 2nd | 2nd | 5th | 19 laps |
| 59 | Porsche 935/79 | 930 990 0030 | GTX | Peter Gregg (USA) | Brumos Porsche (USA) | 3rd | 3rd | 4th | 19 laps |
| 94 | Porsche 935 | 930 670 0152 | GTX | Dale Whittington (USA) | Whittington Bros. Racing (USA) | 4th | 4th | 10th | 19 laps |
| 0 | Porsche 935 K3/80 | 000 00017 | GTX | Danny Ongais (USA) | Interscope Racing (USA) | 5th | 5th | 2nd | 19 laps |
| 18 | Porsche 935 JLP-2 | 009 00043 | GTX | John Paul Sr. (USA) | John Paul (USA) | 6th | 6th | 7th | 19 laps |
| 39 | Porsche 935 J | 930 890 0014 | GTX | Gianpiero Moretti (I) | Electrodyne/Moretti (I) | 7th | 7th | 8th | 19 laps |
| 63 | Porsche 911 Carrera RSR | 005 0009 | GTO | Luis Mendez (DR) | Mendez Racing (DR) | 11th | 3rd | 22nd | 18 laps |
| 54 | Porsche 911 Carrera RSR | 911 360 0610 | GTO | Tony Garcia (USA) | Montura Racing (USA) | 13th | 4th | 18th | 18 laps |
| 0 | Porsche 935 K3/80 | 000 00010 | GTX | Ted Field (USA) | Interscope Racing (USA) | 14th | 10th | 9th | 18 laps |
| 5 | Porsche 935 K3 | 009 00016 | GTX | Bob Akin (USA) | Racing Associates (USA) | 15th | 11th | 11th | 18 laps |
| 3 | Porsche 934 | 930 670 0162 | GTO | Werner Frank (USA) | Werner Frank (USA) | 16th | 5th | 21st | 18 laps |
| 89 | Porsche 911 Carrera RSR | 911 360 0727 | GTO | Ernesto Soto (YV) | Hector Huerta Racing (YV) | 17th | 6th | 19th | 17 laps |
| 38 | Porsche 911 Carrera RSR | 911 460 9113 | GTO | Bonky Fernandez (PR) | Boricua Racing (PR) | 18th | 7th | 23rd | 17 laps |
| 9 | Porsche 935 K3 | 930 890 0021 | GTX | Preston Henn (USA) | Preston Henn (USA) | 24th | 13th | 14th | 16 laps - DNF |
| 85 | Porsche 935 | 930 770 0909 | GTX | Bruce Leven (USA) | Bruce Leven (USA) | 25th | 14th | 13th | 16 laps - DNF |
| 35 | Porsche 934 | 930 670 0161 | GTO | Mandy Gonzalez (PR) | Dyn-A-Tune Racing (PR) | 26th | 12th | 25th | 16 laps |
| 7 | Porsche 935 | 930 770 0958 | GTX | Ludwig Heimrath, Sr (CDN) | Ludwig Heimrath (CDN) | 27th | 15th | 33rd | 15 laps |
| 32 | Porsche 934 | 930 670 0167 | GTO | Chester Vincentz (USA) | Electrodyne Racing (USA) | 29th | 14th | 31st | 15 laps |
| 6 | Porsche 935 K3 | 000 0009 | GTX | John Fitzpatrick (GB) | Dick Barbour Racing (USA) | 30th | 16th | 1st | 11 laps - Accident |
IMSA - International Motor Sport Association
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