2018 Season
| 11-Mar | St Petersburg |
| 22-Apr | Birmingham |
| 12-May | Indianapolis (RC) |
| 25-May | Indianapolis (Oval) |
| 24-Jun | Road America |
| 8-Jul | Iowa |
| 15-Jul | Toronto |
| 29-Jul | Mid Ohio |
| 25-Aug | Madison |
| 2-Sep | Portland |
Standings
| Patricio O’Ward | 491 |
| Colton Herta | 447 |
| Santiago Urrutia | 395 |
| Ryan Norman | 345 |
| Victor Franzoni | 341 |
| Aaron Telitz | 316 |
| Dalton Kellett | 299 |
| Shelby Blackstock | 42 |
| Neil Alberico | 31 |
| Heamin Choi | 28 |
| Alfonso Celis Jnr | 27 |
| Davey Hamilton Jnr | 21 |
Race Winners
| Patricio O’Ward | 8 |
| Colton Herta | 4 |
| Santiago Urrutia | 2 |
| Victor Franzoni | 1 |
| Ryan Norman | 1 |
Pole Positions
| Patricio O’Ward | 9 |
| Colton Herta | 3 |
| Victor Franzoni | 1 |
| Dalton Kellett | 1 |
| Ryan Norman | 1 |
| Aaron Telitz | 1 |
| Santiago Urrutia | 1 |
