Bira International Circuit 2021 Race Calendar
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| April 2 - April 4 | Super Turbo Thailand Finished | Round 1 & 2 | |
| June 13 - June 13 | Toyota Vios Series Lady Cup Finished | Round 5 | |
| July 17 - July 17 | Toyota Vios Series Lady Cup Finished | Round 6 | |
| October 1 - October 3 | Super Turbo Thailand Finished | Round 3 & 4 |