PORSCHE RACING HISTORYDoc Bundy (USA)
1988
10 April 1988 - Road Atlanta 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 962 | 962-HR2 | GTP | Jim Rothbarth (USA)/Doc Bundy (USA) | Kalagian Racing | 7th | 7th | 12th | 119 laps |
5 June 1988 - Mid Ohio 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 962 | 962-HR2 | GTP | Doc Bundy (USA)/Rob Stevens (USA) | Kalagian Racing | 19th | 12th | 13th | 114 laps |
3 July 1988 - Watkins Glen 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 962 | 962-HR2 | GTP | Doc Bundy (USA)/John Graham (CDN) | Kalagian Racing | 8th | 8th | 9th | 87 laps |
14 August 1988 - Sears Point 300 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 962 | 962-HR2 | GTP | Doc Bundy (USA)/John Graham (CDN) | Kalagian/Interlock | 12th | 12th | 12th | 71 laps |
4 September 1988 - San Antonio 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 962 | 962-HR2 | GTP | Doc Bundy (USA)/John Graham (CDN) | Kalagian Racing | 5th | 5th | 17th | 135 laps |