Jan LammersNASCAR Rolex Grand-Am Sports Car Series Results (races)Click on the Race to see the complete results for that race. View career statistics for Jan Lammers |
| Race | Site | Cars | St | Fin | # | Sponsor / Owner | Car | Laps | Money | Status | Led |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1999-01 | Daytona (Road) | 78 | 6 | 21 | 32 | Konrad Motorsport | Lotus / Lola | 43/708 | 0 | engine | 0 |
| 2000-01 | Daytona (Road) | 79 | 7 | 12 | 31 | Konrad Motorsport | Ford / Lola | 209/723 | 0 | engine | 3 |
| 2002-01 | Daytona (Road) | 74 | 3 | 11 | 2 | Crawford Racing | Judd / Crawford | 346/716 | 0 | engine | 0 |
| 2004-01 | Daytona (Road) | 53 | 17 | 2 | 27 | Doran Lista Racing | Lexus / Doran | 521/526 | 0 | running | 0 |
| 2004-04 | Mont-Tremblant | 38 | 14 | 5 | 2 | Howard Boss Motorsports | Pontiac / Crawford | 200/200 | 0 | running | 0 |
| 2004-05 | Watkins Glen | 44 | 12 | 7 | 2 | Howard Boss Motorsports | Pontiac / Crawford | 162/164 | 0 | running | 0 |
| 2004-06 | Daytona (Road) | 37 | 13 | 6 | 2 | Howard Boss Motorsports | Pontiac / Crawford | 70/70 | 0 | running | 0 |
| 2004-08 | Watkins Glen | 33 | 3 | 12 | 2 | Howard Boss Motorsports | Pontiac / Crawford | 67/72 | 0 | did not finish | 0 |
| 2005-01 | Daytona (Road) | 62 | 6 | 3 | 20 | Howard Boss Motorsports | Pontiac / Crawford | 699/710 | 0 | running | 248 |
| 2005-05 | Mont-Tremblant | 40 | 17 | 1 | 2 | Howard Boss Motorsports | Pontiac / Crawford | 188/188 | 0 | running | 9 |
| 2005-06 | Watkins Glen | 45 | 20 | 12 | 2 | Howard Boss Motorsports | Pontiac / Crawford | 148/150 | 0 | running | 0 |
| 2005-07 | Daytona (Road) | 52 | 18 | 5 | 2 | Howard Boss Motorsports | Pontiac / Crawford | 70/70 | 0 | running | 0 |
| 2005-09 | Watkins Glen | 45 | 19 | 6 | 2 | Howard Boss Motorsports | Pontiac / Crawford | 75/75 | 0 | running | 0 |
| 2006-01 | Daytona (Road) | 66 | 16 | 24 | 2 | Howard Boss Motorsports | Pontiac / Crawford | 273/734 | 0 | overheating | 8 |
