Chang International Circuit 2021 Race Calendar
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| April 23 - April 25 | TSS - Thailand Super Series Finished | Event 1 | |
| May 14 - May 16 | TSS - Thailand Super Series Finished | Event 2 | |
| July 2 - July 4 | Lamborghini Super Trofeo Asia Finished | Round 2 | |
| September 10 - September 12 | Super Turbo Thailand Finished | Round 5 & 6 | |
| October 8 - October 10 | Toyota Vios Series Lady Cup Finished | Round 1 | |
| October 29 - October 31 | TSS - Thailand Super Series Finished | Event 4 | |
| December 17 - December 18 | Toyota Vios Series Lady Cup Finished | Round 4 |