PORSCHE RACING HISTORY1980 - Watkins Glen 6 Hours
5 July 1980 - Watkins Glen, USA
John Fitzpatrick & Brian Redman 3rd in Porsche 935 K3/80, 5 laps behind the winning Lancia Beta Montecarlo Turbo driven by Ricardo Patrese & Hans Heyer
Overall - 3rd : Gr.5 - 3rd : Trans Am - 1st, 3rd : GT - 1st
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 935 K3/80 | 000 00023 | Gr.5 | John Fitzpatrick (GB)/Brian Redman (GB) | Dick Barbour Racing (USA) | 3rd | 3rd | 6th | 134 laps |
| 0 | Porsche 935 K3/80 | 000 00017 | Gr.5 | Ted Field (USA)/Danny Ongais (USA) | Interscope Racing (USA) | 4th | 4th | 5th | 133 laps |
| 4 | Porsche 935 K3 | 000 0009 | Gr.5 | Jürgen Barth (D)/Volkert Merl (D) | Dick Barbour Racing (USA) | 5th | 5th | 38th | 133 laps |
| 69 | Porsche 935 K3 | 930 770 0911 | Gr.5 | Roy Woods (USA)/Bob Akin (USA)/Charles Mendez (USA) | Racing Associates Inc. (USA) | 7th | 7th | 14th | 132 laps |
| 13 | Porsche 935 | 930 770 0905 | Gr.5 | Harald Grohs (D)/Randolph Townsend (USA) | Andial Racing (USA) | 8th | 8th | 4th | 130 laps |
| 85 | Porsche 935 K3 | 009 00015 | Gr.5 | Don Whittington (USA)/Hurley Haywood (USA)/Dale Whittington (USA) | Whittington Brothers Racing (USA) | 9th | 9th | 8th | 130 laps |
| 7 | Porsche 935 | 930 770 0958 | Gr.5 | Ludwig Heimrath, Sr (CDN)/Johnny Rutherford (USA) | Heimrath Racing (CDN) | 11th | 11th | 13th | 122 laps |
| 98 | Porsche 911 SC | 911 460 0111 | Trans Am | John Bauer (USA)/Larry Green (USA) | Green Racing (USA) | 12th | 1st | 18th | 121 laps |
| 5 | Porsche 935 K3 | Gr.5 | Skeeter McKitterick (USA)/Charles Mendez (USA) | Racing Associates (USA) | 13th | 12th | 17th | 117 laps | |
| 73 | Porsche 935 JLP-2 | 009 00043 | Gr.5 | John Paul Sr. (USA)/John Paul, Jr. (USA)/Preston Henn (USA) | JLP Racing (USA) | 14th | 13th | 10th | 116 laps |
| 57 | Porsche 911 SC | 911 460 0059 | Trans Am | Monte Shelton (USA)/Bruce Leven (USA) | Porsche-Audi Northwest | 16th | 3rd | 20th | 114 laps |
| 36 | Porsche 934 | 930 670 0167 | GT | Bruce Jenner (USA)/Chester Vincentz (USA)/Bob Garretson (USA) | Electrodyne Racing (USA) | 18th | 1st | 32nd | 102 laps |
| 23 | Porsche 914/6 | 473 29 24107 | Trans Am | Bob Zulkowski (USA)/Gary Pullyblank (CDN)/Bernie Storc (USA) | Metal Craft Racing (USA) | 26th | 11th | 30th | 74 laps - Electrical |
| 26 | Porsche 911 SC Targa | Trans Am | Robert Overby (USA)/Frank Harmstad (USA) | Robert Overby | 27th | 12th | 33rd | 72 laps - Engine | |
| 30 | Porsche 935 J | 000 00012 | Gr.5 | Reinhold Jöst (D)/Gianpiero Moretti (I) | Electrodyne Racing (I) | 29th | 2nd | 45 laps - Engine | |
| 28 | Porsche 935 | 930 770 0960 | Gr.5 | Marty Hinze (USA)/Dale Whittington (USA) | Marty Hinze (USA) | 34th | 22nd | 18 laps - Gearbox | |
| 71 | Porsche 935 K3 | 009 00030 | Gr.5 | Bobby Rahal (USA)/Jürgen Barth (D)/Bob Garretson (USA) | Dick Barbour Racing (USA) | 38th | 1st | 6 laps - Engine |
World Championship for Makes Watkins Glen 6 Hours
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