| Runda | Tor | Data | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|
| 1 |  St. Petersburg | 2019.03.09 | Tatuus PM-18 - Mazda | Abel Motorsports | |
| 2 | St. Petersburg | 2019.03.10 | Tatuus PM-18 - Mazda | Abel Motorsports | |
| 3 | Indianapolis | 2019.05.10 | Tatuus PM-18 - Mazda | Juncos Racing | |
| 4 | 2019.05.11 | Tatuus PM-18 - Mazda | Juncos Racing | ||
| 5 | Indianapolis Raceway Park | 2019.05.24 | Tatuus PM-18 - Mazda | Exclusive Autosport | |
| 6 | Road America | 2019.06.22 | Tatuus PM-18 - Mazda | RP Motorsport Racing | |
| 7 | 2019.06.23 | Tatuus PM-18 - Mazda | RP Motorsport Racing | ||
| 8 |  Toronto | 2019.07.13 | Tatuus PM-18 - Mazda | Exclusive Autosport | |
| 9 | 2019.07.14 | Tatuus PM-18 - Mazda | RP Motorsport Racing | ||
| 10 | Mid-Ohio | 2019.07.27 | Tatuus PM-18 - Mazda | RP Motorsport Racing | |
| 11 | 2019.07.28 | Tatuus PM-18 - Mazda | RP Motorsport Racing | ||
| 12 | Gateway | 2019.08.24 | Tatuus PM-18 - Mazda | RP Motorsport Racing | |
| 13 | Portland | 2019.08.31 | Tatuus PM-18 - Mazda | RP Motorsport Racing | |
| 14 | 2019.09.01 | Tatuus PM-18 - Mazda | RP Motorsport Racing | ||
| 15 | Laguna Seca | 2019.09.21 | Tatuus PM-18 - Mazda | RP Motorsport Racing | |
| 16 | 2019.09.22 | Tatuus PM-18 - Mazda | Juncos Racing |
