Kalendar Perlumbaan WeatherTech Raceway Laguna Seca 2019
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 28 Mac - 30 Mac | Cabaran GT Antara Benua Selesai | Round 2 | California 8 Hours |
| 23 Ogos - 25 Ogos | Kelab Pemilik Porsche - Siri Perlumbaan Piala Selesai | Round 6 | |
| 13 September - 15 September | IMSA SportsCar Championship Selesai | Round 11 | IMSA Monterey Grand Prix |
| 14 September - 15 September | Lamborghini Super Trofeo Amerika Utara Selesai | Round 5 |