| KEPUTUSAN |
| MAKLUMAT ACARA | ||
| Acara 218 - 400 m | Kat PEREMPUAN 18 | Peringkat SEPARUH AKHIR |
| 2 tempat teratas (Q) dan 2 masa terbaik (q) layak. | ||
| REKOD MSSM | 57.06 s | ZAIMAH ATIFAH BT ZAINUDDIN | KUALA LUMPUR | 2015 |
| REKOD ASG | 53.65 s | NGUYEN THI OANH | VIE | 2010 |
| SEPARUH AKHIR : 1 | Papar Photo Finish | ||||
| Ked | Bib | Nama | Pasukan | Masa | * |
| 1 | T1756 | NURIN AIRA BINTI RUSDI | TERENGGANU | 59.99 s | Q |
| 2 | B1092 | NICOLE LAI JIA XIN | SELANGOR | 60.21 s | Q |
| 3 | A1038 | ROSHINI A/P KARNAVEL | PERAK | 61.71 s | q |
| 4 | J1346 | ANG JIA HUAN | JOHOR | 61.80 s | q |
| 5 | S1692 | DANEA HUMAIRAH BINTI SHARYMAN SUFRY | SARAWAK | 61.83 s | |
| 6 | K1415 | SHARWINI A/P THULASIRAM | KEDAH | 61.84 s | |
| SEPARUH AKHIR : 2 | Papar Photo Finish | ||||
| Ked | Bib | Nama | Pasukan | Masa | * |
| 1 | M1451 | SHAYNA MARIANNE PEREIRA | MELAKA | 61.56 s | Q |
| 2 | J1338 | NOR MALISYA BINTI MOHD ISHAK | JOHOR | 61.81 s | Q |
| 3 | K1401 | NUR DANNEA BATRISYA BINTI MOHD ANUAR | KEDAH | 63.03 s | |
| 4 | S1700 | ANNASTASIA LATA ANAK PAING | SARAWAK | 63.52 s | |
| 5 | R1638 | KU SOPHEA AISHA BT KU AHMISUHAIRI | PERLIS | 66.41 s | |
| 6 | W1815 | KAVIITHANJALI A/P KESAVAN | KUALA LUMPUR | 67.82 s | |
| 7 | L1871 | ZUKRINA AZRA BINTI ZAINUDIN | LABUAN | 70.82 s | |
| SEPARUH AKHIR : 3 | Papar Photo Finish | ||||
| Ked | Bib | Nama | Pasukan | Masa | * |
| 1 | E1275 | PRISCELLONA GRACE KIFLI @ HAILARY | SABAH | 61.17 s | Q |
| 2 | T1763 | WAN NURNATASHA ATIQAH BINTI WAN RAMLI | TERENGGANU | 61.70 s | Q |
| 3 | B1096 | AINA BATRISYIA BINTI ABDULLAH | SELANGOR | 62.48 s | |
| 4 | A1032 | CHANDRAMATHI A/P JAYAM | PERAK | 63.33 s | |
| 5 | W1813 | NUR HAIDA SHAZIRA BINTI AHMAD HASROL | KUALA LUMPUR | 64.22 s | |
| 6 | R1631 | NUR HIDAYAH BINTI AB RAHMAN | PERLIS | 64.51 s | |
| 7 | Y1934 | PUTERI SYAHMINA DAMIA BINTI BINTI MOHD ZULHAIZAL | PUTRAJAYA | 70.30 s | |