Grady Willingham American Le Mans Series results at Sonoma
Back to Grady Willingham career stats
| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Chassis | Engine | Tire | Owner | Qualifying Time | Laps | X Led | Laps Led | Status | Points |
| 1999 | 4 | 35 | 31 | GT | 8 | 03 | Metamor Software Solutions Worldwide | Porsche 911 Carrera RSR | Porsche 3.8L Flat-6 | Pirelli | Reiser Callas | 85 | 0 | 0 | running | 12 | |
| 2001 | 5 | 24 | 22 | GT | 10 | 15 | Dick Barbour Racing | Porsche 911 GT3-R | Porsche 3.6L Flat-6 | Dunlop | Barbour | 1:44.121 | 84 | 0 | 0 | running | 10 |
