PORSCHE RACING HISTORYDeborah Gregg (USA)
1983 : Daytona Finale 3 Hours - 3rd in class
6 February 1983 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 58 | Porsche 924 Carrera GTR | GTO | Kathy Rude (USA)/Deborah Gregg (USA)/Bonnie Henn (USA) | Brumos Racing (USA) | 13th | 6th | 35th | 531 laps |
19 March 1983 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 58 | Porsche 924 Carrera GTR | WP0ZZZ93ZBS720011 | GTO | Deborah Gregg (USA)/Kathy Rude (USA)/Bonnie Henn (USA) | Brumos Racing (USA) | 35th | 14th | 51st | 165 laps - Accident |
10 April 1983 - Road Atlanta 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 58 | Porsche 924 Carrera GTR | GTU | Deborah Gregg (USA)/Kathy Rude (USA) | Brumos Racing (USA) | 20th | 4th | 21st | 110 laps |
24 April 1983 - Riverside 6 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 58 | Porsche 924 Carrera GTR | WP0ZZZ93ZBS720011 | GTU | Deborah Gregg (USA)/Kathy Rude (USA) | Brumos Racing (USA) | 43rd | 14th | 34th | 48 laps - DNF |
15 May 1983 - Charlotte 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 58 | Porsche 924 Carrera GTR | WP0ZZZ93ZBS720011 | GTU | Deborah Gregg (USA)/Kathy Rude (USA) | Brumos Racing (USA) | 17th | 5th | 16th | 121 laps - DNF |
21 August 1983 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 34 | Porsche 924 Carrera GTR | GTU | George Drolsom (USA)/Deborah Gregg (USA) | Drolsom Racing (USA) | 17th | 6th | 30th | 99 laps |
27 November 1983 - Daytona Finale 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 58 | Porsche 924 Carrera GTR | WP0ZZZ93ZBS720011 | GTU | Deborah Gregg (USA)/Elliott Forbes-Robinson (USA) | Brumos Racing (USA) | 17th | 3rd | 27th | 81 laps |