2015 Season
| 8-Mar | COTA |
| 17-May | Mosport |
| 28-Jun | Road America |
| 16-Aug | Mid Ohio |
| 23-Aug | Miller Park |
| 13-Sep | Laguna Seca |
Championship Standings
| Johan Schwartz | 2081 |
| Glenn Nixon | 1964 |
| Andrei Kisel | 1368 |
| Van Svenson | 1326 |
| Jason Fichter | 1293 |
| PJ Groenke | 1114 |
| Tom Noble | 907 |
| Wei Lu | 906 |
| Marc Sherrin | 899 |
| Joey Jordan | 686 |
| Jay Salinsky | 600 |
| James Wilson | 562 |
| Randy Smith | 504 |
| Nic Duynstee | 483 |
| Tom O’Gorman | 479 |
Race Winners
| Johan Schwartz | 9 |
| Glenn Nixon | 5 |
| Joey Jordan | 4 |
Pole Positions
| Johan Schwartz | 4 |
| Joey Jordan | 2 |
| Andrei Kisel | 2 |
| Glenn Nixon | 2 |
| Travis Washay | 2 |
| Kevin Boehm | 1 |
