PORSCHE RACING HISTORYPorsche 935 - Chassis No. 930 770 0957
One of only ten 934/5 officially made by porsche
17 April 1977 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 95 | Porsche 934/5 | 930 770 0957 | GTO | Hurley Haywood (USA) | Bob Hagestad (USA) | 31st | 21st | 3rd | 8 laps - DNF |
1 May 1977 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 95 | Porsche 934/5 | 930 770 0957 | GTO | Hurley Haywood (USA) | Bob Hagestad Porsche Audi (USA) | 7th | 7th | 37th | 51 laps |
15 May 1977 - Mid-America 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 95 | Porsche 934/5 | 930 770 0957 | GTO | Hurley Haywood (USA) | Bob Hagestad (USA) | 3rd | 3rd | 1st | 35 laps |
26 June 1977 - Trans-Am Nelson Ledges - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 95 | Porsche 934/5 | 930 770 0957 | TA-II | Bob Hagestad (USA) | Bob Hagestad (USA) | 1st | 1st | 4th | 50 laps |
9 July 1977 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 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 |
5 February 1978 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 95 | Porsche 935 | 930 770 0957 | GTX | Hurley Haywood (USA)/Bob Hagestad (USA)/Doc Bundy (USA) | Bob Hagestad (USA) | 40th | 16th | 60th | 400 laps - Clutch |
18 March 1978 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 95 | Porsche 935 | 930 770 0957 | GTX | Bob Hagestad (USA)/Hurley Haywood (USA) | Bob Hagestad (USA) | 2nd | 2nd | 3rd | 240 laps |
2 April 1978 - Talladega 6 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 95 | Porsche 935 | 930 770 0957 | GTX | Hurley Haywood (USA)/Bob Hagestad (USA) | Bob Hagestad (USA) | 26th | 11th | 2nd | 124 laps - Electrics |
16 April 1978 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 95 | Porsche 935 | 930 770 0957 | GTX | Hurley Haywood (USA) | Bob Hagestad (USA) | 23rd | 13th | 3rd | 33 laps - DNF |
30 April 1978 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 95 | Porsche 935 | 930 770 0957 | GTX | Hurley Haywood (USA) | Bob Hagestad (USA) | 2nd | 2nd | 5th | 52 laps |
4 February 1979 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935 | 930 770 0957 | GTX | Charles Mendez (USA)/Johnny Rutherford (USA)/Paul Miller (USA) | Budweiser Racing (USA) | 15th | 4th | 12th | 529 laps - Rear Suspension |
17 March 1979 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935 | 930 770 0957 | GTX | Charles Mendez (USA)/Brian Redman (GB)/Paul Miller (USA) | Busch Beer Racing (USA) | 2nd | 2nd | 4th | 238 laps |
8 April 1979 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935 | 930 770 0957 | GTX | Charles Mendez (USA) | Busch Racing (USA) | 8th | 7th | 13th | 38 laps |
22 April 1979 - Riverside 6 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935 | 930 770 0957 | GTX | Charles Mendez (USA)/Paul Miller (USA) | Busch Beer Racing (USA) | 37th | 13th | 10th | 88 laps - DNF |
13 May 1979 - Hallett 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935 | 930 770 0957 | GTX | Charles Mendez (USA) | Busch Beer Racing (USA) | 6th | 6th | 8th | 54 laps |
28 May 1979 - Lime Rock 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935 | 930 770 0957 | GTX | Charles Mendez (USA) | Busch Beer Racing (USA) | 3rd | 3rd | 7th | 64 laps |
17 June 1979 - Brainerd 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935 | 930 770 0957 | GTX | Charles Mendez (USA) | Busch Beer Racing (USA) | 4th | 4th | 8th | 33 laps |
4 July 1979 - Daytona Paul Revere 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935 | 930 770 0957 | GTX | Charles Mendez (USA)/Hurley Haywood (USA) | Busch Beer Racing (USA) | 1st | 1st | 4th | 65 laps |
7 July 1979 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 935 | 930 770 0957 | Gr.5 | Charles Mendez (USA)/Paul Miller (USA) | CMR Inc. (USA) | 5th | 4th | 10th | 167 laps |
29 July 1979 - Sears Point 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 95 | Porsche 935 | 930 770 0957 | GTX | Rob McFarlin (USA) | 13th | 8th | 22nd | 37 laps |
5 August 1979 - Portland 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935 | 930 770 0957 | GTX | Charles Mendez (USA) | 5th | 5th | 8th | 50 laps |
2 September 1979 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935 | 930 770 0957 | GTX | Charles Mendez (USA)/Paul Miller (USA) | CMR, Inc. (USA) | 2nd | 2nd | 6th | 125 laps |
23 September 1979 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935 | 930 770 0957 | GTX | Charles Mendez (USA) | Busch Beer (USA) | 6th | 6th | 5th | 39 laps |
23 September 1979 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 05 | Porsche 935 | 930 770 0957 | GTX | Bob Akin (USA) | Busch Beer (USA) | 8th | 8th | 7th | 38 laps |
25 November 1979 - Daytona Finale 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 05 | Porsche 935 | 930 770 0957 | GTX | Bob Akin (USA)/Roy Woods (USA) | Busch Beer (USA) | 6th | 6th | 11th | 46 laps |
3 February 1980 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 55 | Porsche 935 | 930 770 0957 | GTX | Ralph Kent-Cooke (USA)/Gérard Bleynie (F)/Claude Ballot-Léna (F) | Racing Associates (USA) | 48th | 16th | 14th | 217 laps - Ignition |
22 March 1980 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 55 | Porsche 935 | 930 770 0957 | GTX | Ralph Kent-Cooke (USA)/Lyn St. James (USA) | Condor Racing (USA) | 49th | 14th | 15th | 87 laps - Engine |