Kalendar Perlumbaan Inje Speedium 2018
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 10 Jun - 10 Jun | Piala Hyundai Avante N Selesai | Round 3 | |
| 17 Jun - 17 Jun | Korea Speed Racing Selesai | Round 3 | |
| 8 Julai - 8 Julai | Piala Hyundai Avante N Selesai | Round 4 | |
| 15 Julai - 15 Julai | Korea Speed Racing Selesai | Round 4 | |
| 10 Ogos - 11 Ogos | Kejohanan Superrace Selesai | Round 5 | |
| 10 Ogos - 11 Ogos | Kejuaraan CJ Super Race Selesai | Round 5 | |
| 29 September - 30 September | Siri Kereta Touring TCR Korea Selesai | Round 2 | |
| 29 September - 30 September | Piala Radikal Korea Selesai | Round 3 | |
| 7 Oktober - 7 Oktober | Kejohanan Superrace Selesai | Round 7 | |
| 7 Oktober - 7 Oktober | Kejuaraan CJ Super Race Selesai | Round 7 | |
| 21 Oktober - 21 Oktober | Korea Speed Racing Selesai | Round 6 |