| POS | BIB | ATHLETE | Result | REACTION TIME | Note | |
|---|---|---|---|---|---|---|
| 1 | 902 | NGOC MINH QUACH |
53.68 | Q | ||
| 2 | 315 | DARYEN XIN TZE KO |
54.65 | Q | ||
| 3 | 104 | MUHAMAD QARLIFF KUYT BIN ABDULLAH |
55.10 | Q | ||
| 4 | 501 | MICO VILLARAN |
55.77 | q | ||
| 5 | 424 | PATIPHON SAMNEE |
59.47 | |||
| 6 | 702 | YISANGSOUN LAOLI |
60.19 |
| POS | BIB | ATHLETE | Result | REACTION TIME | Note | |
|---|---|---|---|---|---|---|
| 1 | 508 | IVAN CABANDA |
52.98 | Q | ||
| 2 | 218 | ASYRAFI KHAIZUR YUSQI |
54.59 | Q | ||
| 3 | 108 | EMMANUEL MUPHY JOSBERT |
54.81 | Q | ||
| 4 | 425 | SARAYU KAEONU |
55.25 | q | ||
| 5 | 301 | SEAN GERARD TZE YOU YOO |
57.81 |
| POS | HEAT | BIB | TEAM | ATHLETE | RESULT | WIND |
|---|---|---|---|---|---|---|
| 1 | 2 | 508 | PHILIPPINES | IVAN CABANDA | 52.98 Q | |
| 2 | 1 | 902 | VIETNAM | NGOC MINH QUACH | 53.68 Q | |
| 3 | 2 | 218 | INDONESIA | ASYRAFI KHAIZUR YUSQI | 54.59 Q | |
| 4 | 1 | 315 | SINGAPORE | DARYEN XIN TZE KO | 54.65 Q | |
| 5 | 2 | 108 | MALAYSIA | EMMANUEL MUPHY JOSBERT | 54.81 Q | |
| 6 | 1 | 104 | MALAYSIA | MUHAMAD QARLIFF KUYT BIN ABDULL | 55.10 Q | |
| 7 | 2 | 425 | THAILAND | SARAYU KAEONU | 55.25 q | |
| 8 | 1 | 501 | PHILIPPINES | MICO VILLARAN | 55.77 q | |
| 9 | 2 | 301 | SINGAPORE | SEAN GERARD TZE YOU YOO | 57.81 | |
| 10 | 1 | 424 | THAILAND | PATIPHON SAMNEE | 59.47 | |
| 11 | 1 | 702 | LAOS | YISANGSOUN LAOLI | 60.19 |