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
| Jorg Bergmeister | 179 |
| Patrick Long | 179 |
| Timo Bernhard | 145 |
| Romain Dumas | 145 |
| Jon Fogarty | 114 |
| Johannes van Overbeek | 114 |
| Wolf Henzler | 84 |
| Robin Liddell | 81 |
| Tim Sugden | 80 |
| Mike Rockenfeller | 76 |
| Justin Jackson | 70 |
| Ian Baas | 67 |
| Darren Law | 62 |
| Bill Auberlen | 61 |
| Nic Jonsson | 40 |
Race Winners
| Jorg Bergmeister | 5 |
| Patrick Long | 5 |
| Timo Bernhard | 4 |
| Romain Dumas | 4 |
| Bill Auberlen | 1 |
| Robin Liddell | 1 |
| Lucas Luhr | 1 |
Pole Positions
| No Data |
