PORSCHE RACING HISTORY1988 - Watkins Glen 500 km
3 July 1988 - Watkins Glen, USA
Chip Robinson and Derek Bell finish second in a Porsche 962, 21.633 seconds behind the winning Nissan GTP ZX-T driven by Geoff Brabham and John Morton
Overall - 2nd : GTP - 2nd
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-HR7 | GTP | Chip Robinson (USA)/Derek Bell (GB) | Holbert Racing (USA) | 2nd | 2nd | 2nd | 92 laps |
| 67 | Porsche 962 | 962-108C | GTP | Bob Wollek (F)/Mauro Baldi (I) | Busby Racing (USA) | 4th | 4th | 4th | 89 laps |
| 86 | Porsche 962 | GTP | Bruce Leven (USA)/Rob Dyson (USA) | Bayside-Leven Motorsport (USA) | 5th | 5th | 12th | 88 laps | |
| 15 | Porsche 962 | 962-HR2 | GTP | Doc Bundy (USA)/John Graham (CDN) | Kalagian Racing | 8th | 8th | 9th | 87 laps |
| 16 | Porsche 962 GTi | 962GTi-DR1 | GTP | Price Cobb (USA)/James Weaver (GB) | Dyson Racing (USA) | 13th | 10th | 3rd | 77 laps - Suspension |
| 10 | Porsche 962 | 962-F01 | GTP | John Hotchkis (USA)/Jim Adams (USA) | Hotchkis Racing Inc. (USA) | 20th | 13th | 8th | 47 laps - DNF |
IMSA - International Motor Sport Association
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