PORSCHE RACING HISTORY1977 - Trans-Am Portland
12 June 1977 - Portland International Raceway, USA
George Follmer wins in a Porsche 934/5
Overall - 1st, 2nd : TA-II - 1st, 2nd : TA-I - 1st
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 934/5 | 930 770 0955 | TA-II | George Follmer (USA) | Vasek Polak Racing (USA) | 1st | 1st | 1st | 50 laps |
| 57 | Porsche 934 | 930 670 0179 | TA-II | Monte Shelton (USA) | Monte's Motors | 2nd | 2nd | 2nd | 50 laps |
| 39 | Porsche 911 | TA-I | John Bauer (USA) | John Bauer Racing | 4th | 1st | 15th | 48 laps | |
| 7 | Porsche 934/5 | 930 770 0958 | TA-II | Ludwig Heimrath, Sr (CDN) | Heimrath Racing (CDN) | 6th | 4th | 4th | 48 laps |
| 12 | Porsche 934/5 | 930 770 0960 | TA-II | Ron Brown (USA) | Ron Brown Enterprises (USA) | 7th | 5th | 11th | 48 laps |
| 14 | Porsche 911 Carrera RSR | 911 460 0059 | TA-II | Bill Hanel (USA) | Hanel Racing | 8th | 6th | 12th | 47 laps |
| 98 | Porsche 911 | TA-I | Tom Spalding (USA) | John Bauer Racing | 12th | 6th | 21st | 47 laps | |
| 13 | Porsche 911 Carrera RSR | TA-II | Hal Shaw, Jr. (USA) | Hal Shaw, Jr. (USA) | 17th | 7th | 26th | 45 laps | |
| 26 | Porsche 911 | TA-II | Tom Masterson (USA) | 19th | 8th | 42nd | 44 laps | ||
| 59 | Porsche 911 S | TA-I | Nick Feodorhoff (USA) | Performance Unlimited (USA) | 24th | 14th | 41st | 42 laps | |
| 51 | Porsche 911 Carrera RSR | TA-I | John Wood (USA) | John Wood Racing | 30th | 20th | 17th | 18 laps - Timing Belt | |
| 57 | Porsche 911 Carrera RSR | 911 560 9122 | Monte Shelton (USA) | Monte's Motors | DNS | 6th |
Trans-Am
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