Kalendaryo ng Karera Lime Rock Park 2021
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 28 Mayo - 31 Mayo | Porsche GT3 Cup Trophy USA Natapos | Round 4 | |
| 16 Hulyo - 17 Hulyo | IMSA SportsCar Championship Natapos | Round 8 | Northeast Grand Prix |
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 28 Mayo - 31 Mayo | Porsche GT3 Cup Trophy USA Natapos | Round 4 | |
| 16 Hulyo - 17 Hulyo | IMSA SportsCar Championship Natapos | Round 8 | Northeast Grand Prix |