PORSCHE RACING HISTORYTom Spalding (USA)
1977 : Trans-Am Nelson Ledges - 2nd in class : Watkins Glen 6 Hours - 1st in class : Mosport 6 Hours - 2nd in class
30 May 1977 - Trans-Am Kent - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 98 | Porsche 911 | TA-I | Tom Spalding (USA) | Tom Spalding Racing | 27th | 18th | 32 laps |
12 June 1977 - Trans-Am Portland - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 98 | Porsche 911 | TA-I | Tom Spalding (USA) | John Bauer Racing | 12th | 6th | 21st | 47 laps |
26 June 1977 - Trans-Am Nelson Ledges - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 98 | Porsche 911 | TA-I | Tom Spalding (USA) | John Bauer Racing | 5th | 2nd | 16th | 48 laps |
9 July 1977 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 98 | Porsche 911 S | GT | John Bauer (USA)/Tom Spalding (USA) | John Bauer Racing (USA) | 11th | 1st | 25th | 156 laps |
31 July 1977 - Trans-Am Hallett - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 98 | Porsche 911 | TA-I | Tom Spalding (USA) | John Bauer Racing | 17th | 9th | 8th | 45 laps |
14 August 1977 - Trans-Am Brainerd - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 98 | Porsche 911 | TA-I | Tom Spalding (USA) | Tom Spalding Racing | 9th | 4th | 11th | 31 laps |
20 August 1977 - Mosport 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 98 | Porsche 911 | TA-I | Tom Spalding (USA)/John Bauer (USA)/Elliott Forbes-Robinson (USA) | Tom Spalding Racing (USA) | 4th | 2nd | 17th | 227 laps |
3 September 1977 - Trans-Am Road America - Race I - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 98 | Porsche 911 SC | TA-I | Tom Spalding (USA) | Tom Spalding Racing | 10th | 4th | 19th | 19 laps |
4 September 1977 - Trans-Am Road America - Race 2 - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 98 | Porsche 911 SC | TA-I | Tom Spalding (USA) | Tom Spalding Racing | 9th | 4th | 10th | 19 laps |