2023 Season
| 29-Jan | Daytona |
| 18-Mar | Sebring |
| 14-May | Laguna Seca |
| 25-Jun | Watkins Glen |
| 6-Aug | Road America |
| 17-Sep | Indianapolis |
| 14-Oct | Road Atlanta |
Championship Standings
| Paul L Chatin | 1995 |
| Ben Keating | 1995 |
| Ben Hanley | 1958 |
| George Kurtz | 1958 |
| Mikkel Jensen | 1942 |
| Steven Thomas | 1942 |
| Giedo van der Garde | 1832 |
| Ryan Dalziel | 1740 |
| Dwight Merriman | 1740 |
| Ed Jones | 1605 |
| Dennis Anderson | 1375 |
| Nolan Siegel | 1016 |
| John Falb | 974 |
| Alex Quinn | 950 |
| Christian Rasmussen | 926 |
Race Winners
| Ben Hanley | 2 |
| Mikkel Jensen | 2 |
| George Kurtz | 2 |
| Steven Thomas | 2 |
| James Allen | 1 |
| Gianmaria Bruni | 1 |
| Paul L Chatin | 1 |
| John Farano | 1 |
| Ben Keating | 1 |
| Scott McLaughlin | 1 |
| Francesco Pizzi | 1 |
| Fred Poordad | 1 |
| Nolan Siegel | 1 |
| Kyffin Simpson | 1 |
Pole Positions
| Ben Keating | 4 |
| George Kurtz | 2 |
