PORSCHE RACING HISTORY1979 - Mid-Ohio 250 Miles
15 July 1979 - Mid-Ohio Sports Car Course, USA
Peter Gregg & Hurley Haywood win in a Porsche 935/79
Overall - 1st, 2nd : GTX - 1st, 2nd : GTO - 1st, 2nd, 3rd : GTU - 3rd
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 935/79 | 930 990 0030 | GTX | Peter Gregg (USA)/Hurley Haywood (USA) | Peter Gregg Racing (USA) | 1st | 1st | 1st | 104 laps |
| 94 | Porsche 935/79 | 930 990 0026 | GTX | Don Whittington (USA)/Bill Whittington (USA) | Whittington Brothers Racing (USA) | 2nd | 2nd | 3rd | 104 laps |
| 00 | Porsche 935/77A | 930 890 0019 | GTX | Ted Field (USA)/Milt Minter (USA) | Interscope Racing (USA) | 4th | 4th | 5th | 101 laps |
| 5 | Porsche 935 | 930 770 0911 | GTX | Charles Mendez (USA)/Hurley Haywood (USA) | Busch Beer Racing (USA) | 5th | 5th | 6th | 98 laps |
| 55 | Porsche 911 Carrera RSR | 911 560 9121 | GTO | Howard Meister (USA)/Alan Johnson (2) (USA) | 6th | 1st | 9th | 98 laps | |
| 68 | Porsche 911 Carrera RSR | 005 0009 | GTO | Luis Mendez (DR) | 7th | 2nd | 13th | 97 laps | |
| 54 | Porsche 911 Carrera RSR | 911 360 0610 | GTO | Tony Garcia (USA)/Mauricio DeNarváez (COL) | Montura Racing (USA) | 11th | 3rd | 20th | 95 laps |
| 69 | Porsche 911 Carrera RSR | GTO | Werner Frank (USA)/Rudy Bartling (CDN) | Bytzek Automotive (CDN) | 12th | 4th | 19th | 94 laps | |
| 89 | Porsche 911 | GTU | Chip Mead (USA)/John Mortensen (USA) | 13th | 3rd | 29th | 93 laps | ||
| 37 | Porsche 911 Carrera RSR | 911 560 9119 | GTO | Francisco Lopez (CO)/Dave White (USA) | Botero Racing (CO) | 14th | 5th | 38th | 92 laps |
| 95 | Porsche 914/6 | 914 043 0188 | GTU | Reagan Riley (CDN)/David Deacon (CDN) | 16th | 4th | 36th | 90 laps | |
| 40 | Porsche 914/6 | GTU | Steve Southard (USA)/Earl Roe (USA) | Performance Specialists | 17th | 5th | 27th | 90 laps | |
| 8 | Porsche 911 Carrera RSR | 911 460 0035 | GTO | Bob Beasley (USA) | 19th | 8th | 28th | 89 laps | |
| 34 | Porsche 911 | GTU | George Drolsom (USA)/Fred Clark (USA) | Drolsom Racing (USA) | 21st | 6th | 40th | 87 laps | |
| 85 | Porsche 914/6 | GTU | John Hulen (USA)/Ron Coupland (USA) | John E. Hulen (USA) | 24th | 8th | 33rd | 75 laps | |
| 62 | Porsche 914/6 | 914 043 0593 | GTU | Bill Koll (USA)/Jim Cook (USA) | Koll Motor Sports (USA) | 29th | 9th | 24th | 58 laps - DNF |
| 32 | Porsche 911 Carrera RSR | 911 460 9083 | GTO | Honorato Espinosa (COL) | Botero Racing (CO) | 36th | 16th | 21st | 31 laps - DNF |
| 09 | Porsche 935/77A | 930 890 0021 | GTX | Preston Henn (USA)/John O'Steen (USA) | Michelob Light (USA) | 37th | 10th | 18th | 28 laps - DNF |
| 07 | Porsche 911 Carrera RSR | 911 560 9114 | GTO | Dave Cowart (USA)/Kenper Miller (USA) | Morrison's Inc. | 39th | 18th | 15th | 20 laps - DNF |
| 50 | Porsche 911 S | GT0 | Fritz Hochreuter (CDN) | R & H Racing (CDN) | 42nd | 20th | 31st | 9 laps - DNF | |
| 46 | Porsche 911 Carrera RSR | 911 360 0865 | GTO | Mauricio DeNarváez (COL) | De Narvaez Racing (CO) | 43rd | 21st | 16th | 2 laps - DNF |
IMSA - International Motor Sport Association
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