WeatherTech-racebaan Laguna Seca 2018 Racekalender
| Datum | Raceserie | Ronde | Evenementnaam |
|---|---|---|---|
| 4 augustus - 5 augustus | Porsche Owners Club - Cup Racing Serie Afgerond | Round 7 | |
| 7 september - 9 september | IMSA SportsCar Championship Afgerond | Round 10 | Continental Tire Monterey Grand Prix powered by Mazda |
| 8 september - 9 september | LSTNA - Lamborghini Super Trofeo Noord-Amerika Afgerond | Round 5 | |
| 26 oktober - 28 oktober | Intercontinentale GT-uitdaging Afgerond | Round 4 | Californa 8 Hours |