Korea International Circuit 2021 Race Calendar
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| June 20 - June 20 | Korea Speed Racing Finished | Round 2 | |
| July 17 - July 18 | Hyundai Veloster N Cup Finished | Round 3 | |
| August 15 - August 15 | Korea Speed Racing Finished | Round 4 | |
| September 25 - September 26 | Hyundai Veloster N Cup Finished | Round 5 | |
| September 25 - September 26 | Hyundai Avante N Cup Finished | Round 4 | |
| October 22 - October 24 | Radical Cup Korea Finished | Round 2 | |
| October 23 - October 24 | Superrace Championship Finished | Round 4 | |
| October 23 - October 24 | CJ Super Race Championship Finished | Round 4 | |
| November 13 - November 14 | Hyundai Veloster N Cup Finished | Round 6 | |
| November 13 - November 14 | Hyundai Avante N Cup Finished | Round 6 | |
| November 20 - November 20 | Superrace Championship Finished | Round 6 | |
| November 20 - November 21 | Radical Cup Korea Finished | Round 4 | |
| November 20 - November 20 | CJ Super Race Championship Finished | Round 6 | |
| November 21 - November 21 | Superrace Championship Finished | Round 7 | |
| November 21 - November 21 | CJ Super Race Championship Finished | Round 7 |