Kalendaryo ng Karera Indianapolis Motor Speedway 2021
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 16 Hulyo - 18 Hulyo | Ferrari Challenge North America Natapos | Round 6 | Ferrari Racing Days |
| 10 Setyembre - 12 Setyembre | PCCNA - Porsche Carrera Cup North America Natapos | Round 5 | |
| 10 Setyembre - 12 Setyembre | PSCNA - Porsche Sprint Challenge North America Natapos | Round 6 | Porsche Racing Festival |
| 13 Oktubre - 16 Oktubre | PSCNA - Porsche Sprint Challenge North America Natapos | Round 8 | Octoberfest |
| 14 Oktubre - 17 Oktubre | Intercontinental GT Challenge Natapos | Round 2 | Indianapolis 8 Hour |