PORSCHE RACING HISTORY1977 - Watkins Glen 6 Hours
9 July 1977 - Watkins Glen, USA
Jochen Mass & Jacky Ickx win in a Porsche 935/77
Overall - 1st to 12th : Gr.5 - 1st to 11th : TransAm - 1st : GT - 1st, 2nd, 3rd
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 935/77 | 935-007 | Gr.5 | Jochen Mass (B)/Jacky Ickx (B) | Martini Racing Porsche System (D) | 1st | 1st | 1st | 173 laps |
| 16 | Porsche 935 | 930 770 0913 | Gr.5 | George Follmer (USA)/Brett Lunger (USA) | Vasek Polak Racing (USA) | 2nd | 2nd | 3rd | 170 laps |
| 95 | Porsche 934/5 | 930 770 0957 | Gr.5 | Hurley Haywood (USA)/Bob Hagestad (USA) | Bob Hagestad Porsche Audi (USA) | 3rd | 3rd | 5th | 169 laps |
| 66 | Porsche 934/5 | 930 770 0959 | Gr.5 | Dick Barbour (USA)/Johnny Rutherford (USA) | Dick Barbour Performance (USA) | 4th | 4th | 10th | 166 laps |
| 0 | Porsche 934/5 | 930 770 0953 | Gr.5 | Danny Ongais (USA)/Ted Field (USA) | Interscope Racing (USA) | 5th | 5th | 8th | 165 laps |
| 59 | Porsche 934/5 | 930 770 0952 | Gr.5 | Peter Gregg (USA)/Claude Ballot-Léna (F)/John Gunn (USA) | Brumos Racing (USA) | 6th | 6th | 6th | 163 laps |
| 51 | Porsche 911 Carrera RSR | 911 560 9122 | Gr.5 | Robert Frostrom (USA)/Monte Shelton (USA) | Monte's Motors (USA) | 7th | 7th | 22nd | 162 laps |
| 7 | Porsche 934/5 | 930 770 0958 | Gr.5 | Ludwig Heimrath, Sr (CDN)/Paul Miller (USA) | Heimrath Racing (CDN) | 8th | 8th | 9th | 160 laps |
| 57 | Porsche 911 Carrera RSR | TA | Bob Lazier (USA)/John Wood (USA) | John Wood Racing (USA) | 9th | 1st | 30th | 158 laps | |
| 20 | Porsche 934 | 930 670 0179 | Gr.5 | Janet Guthrie (USA)/Randy Lewis (USA) | Vasek Polak Racing (USA) | 10th | 9th | 13th | 157 laps |
| 98 | Porsche 911 S | GT | John Bauer (USA)/Tom Spalding (USA) | John Bauer Racing (USA) | 11th | 1st | 25th | 156 laps | |
| 61 | Porsche 935 | 930 770 0910 | Gr.5 | Jim Busby (USA)/Tom Frank (USA) | Jim Busby Racing (USA) | 12th | 10th | 7th | 156 laps |
| 2 | Porsche 934/5 | Gr.5 | Gary Belcher (USA)/Roy Woods (USA) | Vasek Polak Racing (USA) | 15th | 11th | 14th | 153 laps | |
| 74 | Porsche 911 S | GT | Bruce Jennings (USA)/Bill Bean (USA) | Bruce Jennings (USA) | 16th | 2nd | 38th | 147 laps | |
| 79 | Porsche 911 Carrera RSR | GT | Michael Callas (USA)/Peter Papke (USA) | Michael Callas Rennsport Porsche (USA) | 20th | 3rd | 29th | 136 laps | |
| 28 | Porsche 911 S | GT | Richard Weiss (USA) | Weiss Motor Racing (USA) | 30th | 5th | 40th | 95 laps | |
| 83 | Porsche 911 S | GT | Bill Scott (USA)/Joe Colontonio (USA) | Bill Scott Racing | 33rd | 6th | 35th | 89 laps - Body Damage | |
| 94 | Porsche 934 | 930 670 0152 | GT | Elliott Forbes-Robinson (USA)/Mike Tillson (USA) | Mike Tillson Enterprises, Inc. (USA) | 35th | 8th | 17th | 68 laps - Oil Leak |
| 13 | Porsche 911 Carrera RSR | Gr.5 | Hal Shaw, Jr. (USA)/Randolph Townsend (USA) | Hal Shaw, Jr. (USA) | 36th | 31st | 59 laps | ||
| 38 | Porsche 911 Carrera RSR | Gr.5 | John Paul Sr. (USA)/Phil Currin (USA) | John Paul (USA) | 37th | 18th | 58 laps - Suspension | ||
| 75 | Porsche 911 Carrera RSR | Gr.5 | Norm Ridgely (CDN)/Jim Cook (USA) | Ridgely Racing (CDN) | 40th | 20th | 48 laps - Off Course |
World Championship for Makes Trans-Am Watkins Glen 6 Hours
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