Kalendar Perlumbaan Litar Antarabangsa Korea 2021
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 20 Jun - 20 Jun | Korea Speed Racing Selesai | Round 2 | |
| 17 Julai - 18 Julai | Piala Hyundai Veloster N Selesai | Round 3 | |
| 15 Ogos - 15 Ogos | Korea Speed Racing Selesai | Round 4 | |
| 25 September - 26 September | Piala Hyundai Veloster N Selesai | Round 5 | |
| 25 September - 26 September | Piala Hyundai Avante N Selesai | Round 4 | |
| 22 Oktober - 24 Oktober | Piala Radikal Korea Selesai | Round 2 | |
| 23 Oktober - 24 Oktober | Kejohanan Superrace Selesai | Round 4 | |
| 23 Oktober - 24 Oktober | Kejuaraan CJ Super Race Selesai | Round 4 | |
| 13 November - 14 November | Piala Hyundai Veloster N Selesai | Round 6 | |
| 13 November - 14 November | Piala Hyundai Avante N Selesai | Round 6 | |
| 20 November - 20 November | Kejohanan Superrace Selesai | Round 6 | |
| 20 November - 21 November | Piala Radikal Korea Selesai | Round 4 | |
| 20 November - 20 November | Kejuaraan CJ Super Race Selesai | Round 6 | |
| 21 November - 21 November | Kejohanan Superrace Selesai | Round 7 | |
| 21 November - 21 November | Kejuaraan CJ Super Race Selesai | Round 7 |