| Lane/Order | BIB | ATHLETE | Seeding Time | Note | |
|---|---|---|---|---|---|
| 1 | 1116 | KC PEGASUS | CHANG YI YUAN | 60.26 | q |
| 2 | 1115 | KC PEGASUS | WONG TZE HENG | 59.16 | q |
| 3 | 1202 | BEECITY SQUAD | AMMAR WAFEEQ | 56.86 | q |
| 4 | 190 | RAUB BLUE FOXES | MOHAMAD ISA AZIZI BIN ABDULLAH | 52.32 | q |
| 5 | 452 | SSBJ | MUHAMMAD HAFIZUDDIN BIN ISMAIL | 55.14 | q |
| 6 | 335 | SM CONFUCIAN PRIVATE | JOASH LIM YU YANG | 55.32 | q |
| 7 | 154 | TAMAN SEA | KUGAVARSHAN SIVAM SIVAMAYAM | 56.68 | q |
| 8 | 92 | CHKL TNF | Chia Chee Hong | 59.08 | q |
| Lane/Order | BIB | ATHLETE | Seeding Time | Note | |
|---|---|---|---|---|---|
| 1 | 785 | Stella Maris International School | Ethan Malcolm Coelho | 60.11 | q |
| 2 | 1118 | KC PEGASUS | LAU JING YANG | 59.37 | q |
| 3 | 192 | RAUB BLUE FOXES | MUHAMMAD IEDZAIRY HAKIM | 57.46 | q |
| 4 | 1081 | SMK KOMPLEKS KLIA | MUHAMMAD RAYYAN RAFFAEL BIN MOHD.SUBHY | 54.85 | q |
| 5 | 1120 | KC PEGASUS | LIM JUN KIET | 55.10 | q |
| 6 | 189 | RAUB BLUE FOXES | MUHAMAD FARIZUAN BIN MOKHTAR | 55.64 | q |
| 7 | 153 | TAMAN SEA | SEAN CHEE YI KEONG | 56.31 | q |
| 8 | 1222 | KELAB OLAHRAGA ASPIRASI | RUBENESH | 59.07 | q |
| Lane/Order | BIB | ATHLETE | Seeding Time | Note | |
|---|---|---|---|---|---|
| 1 | 614 | CHK ATHLETICS | Ethan Law Eng Ming | 59.81 | q |
| 2 | 1083 | SMK KOMPLEKS KLIA | MUHAMMAD IKRAM BIN MOHD ENDERA | 59.42 | q |
| 3 | 548 | SSN JOHOR | MUHAMMAD FAIZ SYAZWAN BIN MOHD FAIZAL | 58.52 | q |
| 4 | 30 | TEAM SENTOSA | JAYDEN GAN HAO XUAN | 55.07 | q |
| 5 | 503 | TITAN ATHLETICS | AHMAD ZARRITH BIN MOHD HAIRIL | 55.07 | q |
| 6 | 914 | BAKAT PUTRAJAYA | MUHAMMAD ADAM HADZIQ BIN ABDULLAH SANI | 55.81 | q |
| 7 | 615 | CHK ATHLETICS | Chai Khang Yu | 55.97 | q |
| 8 | 385 | FALCON ATHLETICS | LEONG LI JIA | 58.65 | q |