PORSCHE RACING HISTORY1977 - Trans-Am Road America - Race I
3 September 1977 - Road America, USA
Ludwig Heimrath, Sr wins in a Porsche 934/5
Overall - 1st, 2nd : TA-II - 1st, 2nd : TA-I - 3rd
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 7 | Porsche 934/5 | 930 770 0958 | TA-II | Ludwig Heimrath, Sr (CDN) | Heimrath Racing (CDN) | 1st | 1st | 2nd | 20 laps |
| 59 | Porsche 934/5 | 930 770 0952 | TA-II | Peter Gregg (USA) | Brumos Porsche-Audi (USA) | 2nd | 2nd | 1st | 20 laps |
| 51 | Porsche 934 | 930 670 0179 | TA-II | Monte Shelton (USA) | Monte's Motor Co. (USA) | 4th | 4th | 7th | 19 laps |
| 39 | Porsche 911 SC | TA-I | John Bauer (USA) | John Bauer Racing | 9th | 3rd | 17th | 19 laps | |
| 98 | Porsche 911 SC | TA-I | Tom Spalding (USA) | Tom Spalding Racing | 10th | 4th | 19th | 19 laps | |
| 12 | Porsche 911 Carrera RSR | TA-II | Hal Shaw, Jr. (USA) | Bankrupt Inc. Racing (USA) | 18th | 8th | 32nd | 18 laps | |
| 70 | Porsche 914/6 | TA-I | Dick Salem (USA) | Dick Salem Racing (USA) | 29th | 21st | 39th | 17 laps | |
| 15 | Porsche 911 SC | TA-I | Stefan Edlis (USA) | Apollo Plastics (USA) | 41st | 30th | 26th | 10 laps - Accident | |
| 57 | Porsche 911 SC | TA-I | John Wood (USA) | John Wood Racing | 44th | 33rd | 31st | 8 laps - Fuel Injection | |
| 54 | Porsche 911 Carrera RSR | 911 560 9122 | TA-II | Robert Frostrom (USA) | Robert Frostrom Racing (USA) | 46th | 13th | 28th | 6 laps - Engine |
Trans-Am
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