2005 Season
| 19-Mar | 12 Hours of Sebring |
| 17-Apr | Road Atlanta |
| 22-May | Mid Ohio |
| 4-Jul | Lime Rock |
| 17-Jul | Sonoma |
| 30-Jul | Portland |
| 21-Aug | Road America |
| 4-Sep | Mosport |
| 1-Oct | Road Atlanta |
| 16-Oct | Laguna Seca |
Championship Standings
| Clint Field | 133 |
| Jeff Bucknum | 117 |
| Chris McMurry | 117 |
| Jamie Bach | 116 |
| Guy Cosmo | 116 |
| Liz Halliday | 77 |
| Jon Field | 73 |
| Ben Devlin | 58 |
| Gunnar van der Steur | 45 |
| Ian James | 26 |
| Lucas Luhr | 23 |
| Sascha Maassen | 23 |
| Elliott Forbes-Robinson | 22 |
| Gregor Fisken | 20 |
| Mike Johnson | 19 |
Race Winners
| Clint Field | 5 |
| Jeff Bucknum | 3 |
| Liz Halliday | 3 |
| Chris McMurry | 3 |
| Jon Field | 2 |
| Jamie Bach | 1 |
| Guy Cosmo | 1 |
| Gregor Fisken | 1 |
| Ian James | 1 |
| Lucas Luhr | 1 |
Pole Positions
| No Data |
