Kalendar Perlumbaan WeatherTech Raceway Laguna Seca 2015
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 1 Mei - 3 Mei | LSTNA - Lamborghini Super Trofeo Amerika Utara Selesai | Round 1 | |
| 2 Mei - 3 Mei | IMSA SportsCar Championship Selesai | Round 4 | Continental Tire Monterey Grand Prix |