Mid-Ohio Sports Car Course 2021 Race Calendar
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| May 14 - May 16 | IMSA SportsCar Championship Finished | Round 4 | Acura Sports Car Challenge |
| June 24 - June 27 | Porsche GT3 Cup Trophy USA Finished | Round 5 |
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| May 14 - May 16 | IMSA SportsCar Championship Finished | Round 4 | Acura Sports Car Challenge |
| June 24 - June 27 | Porsche GT3 Cup Trophy USA Finished | Round 5 |