WeatherTech Raceway Laguna Seca 2018 Race Calendar
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| August 4 - August 5 | Porsche Owners Club - Cup Racing Series Finished | Round 7 | |
| September 7 - September 9 | IMSA SportsCar Championship Finished | Round 10 | Continental Tire Monterey Grand Prix powered by Mazda |
| September 8 - September 9 | LSTNA - Lamborghini Super Trofeo North America Finished | Round 5 | |
| October 26 - October 28 | Intercontinental GT Challenge Finished | Round 4 | Californa 8 Hours |