| Final 18:06 | Team | time | -time | L | React. | 50m | Pl | | 1. Liping Ji | CHN | 1:06.91s | &s | 3 | 0.81s | 31.84 | 2. | | 2. Satomi Suzuki | JPN | 1:07.43s | 0.52s | 4 | 0.71s | 31.87 | 3. | | 3. Hui Jia Chen | CHN | 1:07.98s | 1.07s | 7 | 0.77s | 31.56 | 1. | | 4. Darae Jeong | KOR | 1:09.00s | 2.09s | 5 | 0.82s | 32.29 | 4. | | 5. Rie Kaneto | JPN | 1:09.66s | 2.75s | 2 | 0.78s | 33.22 | 7. | | 6. Suyeon Back | KOR | 1:09.80s | 2.89s | 6 | 0.88s | 32.95 | 5. | | 7. Chuan Chen I | TPE | 1:11.20s | 4.29s | 1 | 0.73s | 33.62 | 8. | | 8. Yvette Man-Yi Kong | HKG | 1:12.41s | 5.50s | 8 | 0.85s | 32.99 | 6. |
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| Heat 3 09:23 | Team | time | -time | L | React. | 50m | Pl | | 1. Satomi Suzuki | JPN | 1:09.23 | | 4 | 0.70s | 32.62s | 1. | | 4. Suyeon Back | KOR | 1:10.19 | 0.96s | 3 | 0.87s | 33.37s | 3. | | 8. Yvette Man-Yi Kong | HKG | 1:12.12 | 2.89s | 5 | 0.79s | 32.98s | 2. | | 9. On Kei Lei | MAC | 1:12.96 | 3.73s | 7 | 0.72s | 33.70s | 4. | | 11.Samantha Yeo | SIN | 1:13.03 | 3.80s | 2 | 0.71s | 34.61s | 5. | | 16.Thihue Pham | VIE | 1:14.73 | 5.50s | 6 | 0.81s | 34.99s | 6. |
| Heat 2 09:19 | Team | time | -time | L | React. | 50m | Pl | | 5. Rie Kaneto | JPN | 1:10.51 | 1.28s | 5 | 0.82s | 33.95s | 3. | | 6. Hui Jia Chen | KOR | 1:10.61 | 1.38s | 4 | 0.79s | 33.10s | 1. | | 7. Chuan Chen I | TPE | 1:11.99 | 2.76s | 3 | 0.71s | 33.82s | 2. | | 12.Christina Yen. Loh | MAS | 1:13.50 | 4.27s | 6 | 0.76s | 34.38s | 4. | | 15.Chavunno. Salubluek | THA | 1:14.43 | 5.20s | 2 | 0.81s | 34.52s | 5. | | 17.Miss Mahfuz. Khatun | BAN | 1:22.85 | 13.62s | 7 | 0.90s | 38.74s | 6. |
| Heat 1 09:15 | Team | time | -time | L | React. | 50m | Pl | | 2. Darae Jeong | KOR | 1:09.26 | 0.03s | 5 | 0.86s | 33.35s | 2. | | 3. Liping Ji | CHN | 1:09.43 | 0.20s | 4 | 0.79s | 32.91s | 1. | | 10.Hei Tung Fiona Ma | HKG | 1:13.00 | 3.77s | 3 | 0.80s | 34.29s | 3. | | 13.Erika Chia Ch. Kong | MAS | 1:13.79 | 4.56s | 6 | 0.76s | 34.42s | 4. | | 14.Phiangk. Pawapotako | THA | 1:14.27 | 5.04s | 2 | 0.75s | 35.04s | 5. | | 18.Oyungerel Gantumur | MGL | 1:32.92 | 23.69s | 7 | 0.97s | 42.08s | 6. |
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