Sepang International Circuit 2021 Race Calendar
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| March 27 - March 28 | Toyota Gazoo Racing Festival Vios Challenge Finished | Round 1 | |
| May 28 - May 30 | GTWC Asia - GT World Challenge Asia Finished | ROUND 1 & 2 | |
| June 18 - June 20 | LSTA - Lamborghini Super Trofeo Asia Finished | Round 1 | |
| June 18 - June 20 | GTWC Asia - GT World Challenge Asia Finished | ROUND 3 & 4 | |
| August 13 - August 15 | TCR Asia Series Finished | Round 8 | |
| August 15 - August 15 | Asian Formula Renault Series Finished | Round 4 | |
| September 17 - September 19 | TCR Asia Series Finished | Round 9 | |
| September 18 - September 18 | Asian Formula Renault Series Finished | Round 5 | |
| October 23 - October 24 | Toyota Gazoo Racing Festival Vios Challenge Finished | Round 2 | |
| November 10 - November 12 | MCS - Malaysia Championship Series Finished | Round 1 | |
| November 20 - November 21 | Toyota Gazoo Racing Festival Vios Challenge Finished | Round 3 | Season Finale |
| November 26 - November 27 | Sepang 1000KM Endurance Race Finished | Round 1 | |
| November 26 - November 27 | Toyota Gazoo Racing Festival Vios Challenge Finished | Round 4 | |
| December 14 - December 16 | MCS - Malaysia Championship Series Finished | Round 2 |