Mid-Ohio Sports Car Course 2018 Race Calendar
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| May 4 - May 6 | IMSA SportsCar Championship Finished | Round 4 | Acura Sports Car Challenge |
| May 5 - May 6 | LSTNA - Lamborghini Super Trofeo North America Finished | Round 1 | |
| June 21 - June 24 | Porsche GT3 Cup Trophy USA Finished | Round 4 |