| POS | BIB | ATHLETE | Result | REACTION TIME | Note | |
|---|---|---|---|---|---|---|
| 1 | MSSM | MSSM |
51.01 | |||
| 2 | SSSC | SSSC |
52.26 | |||
| 3 | AW | AW |
52.36 |
| POS | HEAT | BIB | TEAM | ATHLETE | RESULT | WIND |
|---|---|---|---|---|---|---|
| 1 | 1 | MSSM | MALAYSIA | 51.01 | ||
| 2 | 1 | SSSC | SINGAPORE | 52.26 | ||
| 3 | 1 | AW | ATHLETICS WEST | 52.36 |