Kalendaryo ng Karera WeatherTech Raceway Laguna Seca 2015
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 1 Mayo - 3 Mayo | LSTNA - Lamborghini Super Trofeo North America Natapos | Round 1 | |
| 2 Mayo - 3 Mayo | IMSA SportsCar Championship Natapos | Round 4 | Continental Tire Monterey Grand Prix |