| Lane/Order | BIB | ATHLETE | Seeding Time | Note | |
|---|---|---|---|---|---|
| 1 | 223 | KMU | HUGH HOWARD BANIUS | 4:39.82 | Q |
| 2 | 189 | KKU | XENRES HEE LOK YONG | 4:39.26 | Q |
| 3 | 393 | PTN | DYWANE RAYNER BIN ROBERTH | 4:35.85 | Q |
| 4 | 575 | RNU | RAY JUARI | 4:34.82 | Q |
| 5 | 119 | KBG | MUHAMMAD AIMAN SYAKIR BIN LANANNI | 4:36.41 | Q |
| 6 | 081 | KGU | FABIAN GARY WONG | 4:35.29 | Q |
| 7 | 172 | KKU | VOON SONG HENG | 4:38.59 | Q |
| 8 | 396 | PTN | JOSILIN BIN GUNTUR | 4:33.15 | Q |
| 9 | 117 | KBG | MUHAMMAT SYUKUR BIN RACHIM | 4:38.96 | Q |
| 10 | 867 | TRN | HIPPOLYTUS BIN DOUMIN | 4:40.51 | Q |
| 11 | 348 | LDU | MOHAMAD KHAIRULSYAH BIN ROMI ROMANTIS | 4:37.60 | Q |
| 12 | 539 | PTT | MUHAMMAD NAQUE BIN MISNAN | 4:37.69 | Q |