WeatherTech Raceway Laguna Seca 2018 Tävlingskalender
| Datum | Tävlingsserie | Runda | Evenemangsnamn |
|---|---|---|---|
| 4 augusti - 5 augusti | Porsche Owners Club - Cup Racing Series Klart | Round 7 | |
| 7 september - 9 september | IMSA SportsCar Championship Klart | Round 10 | Continental Tire Monterey Grand Prix powered by Mazda |
| 8 september - 9 september | LSTNA - Lamborghini Super Trofeo Nordamerika Klart | Round 5 | |
| 26 oktober - 28 oktober | Intercontinental GT Challenge Klart | Round 4 | Californa 8 Hours |