2018 Season
| 28-Jan | Daytona |
| 17-Mar | Sebring |
| 14-Apr | Long Beach |
| 6-May | Mid Ohio |
| 1-Jul | Watkins Glen |
| 8-Jul | Mosport |
| 21-Jul | Lime Rock |
| 5-Aug | Road America |
| 19-Aug | Virginia |
| 9-Sep | Laguna Seca |
| 13-Oct | Road Atlanta |
Standings
| Antonio Garcia | 322 |
| Jan Magnussen | 322 |
| Ryan Briscoe | 316 |
| Richard Westbrook | 316 |
| Oliver Gavin | 310 |
| Tommy Milner | 310 |
| Earl Bamber | 308 |
| Joey Hand | 308 |
| Dirk Muller | 308 |
| Laurens Vanthoor | 308 |
| Connor de Phillippi | 304 |
| Alexander Sims | 304 |
| Patrick Pilet | 299 |
| Nick Tandy | 299 |
| John Edwards | 278 |
Race Winners
| Ryan Briscoe | 3 |
| Richard Westbrook | 3 |
| Connor de Phillippi | 2 |
| Alexander Sims | 2 |
| Joey Hand | 2 |
| Dirk Muller | 2 |
| Patrick Pilet | 2 |
| Nick Tandy | 2 |
| Earl Bamber | 1 |
| Scott Dixon | 1 |
| Oliver Gavin | 1 |
| Frederic Makowiecki | 1 |
| Tommy Milner | 1 |
| Laurens Vanthoor | 1 |
Pole Positions
| John Edwards | 2 |
| Richard Westbrook | 2 |
| Connor de Phillippi | 1 |
| Antonio Garcia | 1 |
| Oliver Gavin | 1 |
| Joey Hand | 1 |
| Jan Magnussen | 1 |
| Dirk Muller | 1 |
| Nick Tandy | 1 |
