Kalendaryo ng Karera WeatherTech Raceway Laguna Seca 2021
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 10 Setyembre - 12 Setyembre | LSTNA - Lamborghini Super Trofeo North America Natapos | Round 5 | |
| 10 Setyembre - 12 Setyembre | IMSA SportsCar Championship Natapos | Round 10 | IMSA Monterey Grand Prix |