Indianapolis Motor Speedway 2021 Race Calendar
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| September 10 - September 12 | Porsche Carrera Cup North America Finished | Round 5 | |
| September 10 - September 12 | PSCNA - Porsche Sprint Challenge North America Finished | Round 6 | Porsche Racing Festival |
| October 13 - October 16 | PSCNA - Porsche Sprint Challenge North America Finished | Round 8 | Octoberfest |
| October 14 - October 17 | Intercontinental GT Challenge Finished | Round 2 | Indianapolis 8 Hour |