2015 Season
| 29-Mar | St Petersburg |
| 19-Apr | Long Beach |
| 26-Apr | Birmingham |
| 9-May | Indianapolis (RC) |
| 22-May | Indianapolis (Oval) |
| 14-Jun | Toronto |
| 12-Jul | Milwaukee |
| 18-Jul | Iowa |
| 2-Aug | Mid Ohio |
| 13-Sep | Laguna Seca |
Standings
| Spencer Pigot | 357 |
| Jack Harvey | 330 |
| Ed Jones | 324 |
| RC Enerson | 295 |
| Max Chilton | 258 |
| Kyle Kaiser | 237 |
| Felix Serralles | 225 |
| Juan Piedrahita | 223 |
| Scott Anderson | 219 |
| Shelby Blackstock | 218 |
| Ethan Ringel | 197 |
| Sean Rayhall | 188 |
| Matthew Brabham | 35 |
| Scott Hargrove | 34 |
| Nelson Piquet Jnr | 28 |
Race Winners
| Spencer Pigot | 6 |
| Ed Jones | 3 |
| Jack Harvey | 2 |
| Sean Rayhall | 2 |
| Max Chilton | 1 |
| RC Enerson | 1 |
| Felix Serralles | 1 |
Pole Positions
| Jack Harvey | 4 |
| Spencer Pigot | 4 |
| Max Chilton | 3 |
| Ed Jones | 3 |
| RC Enerson | 1 |
| Nelson Piquet Jnr | 1 |
| Ethan Ringel | 1 |
