| Heat 1 18:40 | Team | time | L | React. | | 1. Marina Maslyonko | KAZ | 52.35s | 2 | 0.311s | | 2. Asami Chiba | JPN | 52.66s | 8 | 0.185s | | 3. Manjeet Kaur | IND | 53.13s | 1 | 0.254s | | 4. Rasnayaka Mudiyans. | SRI | 53.22s | 7 | 0.245s | | 5. Xiaoyin Tang | CHN | 53.26s | 6 | 0.155s | | 6. Gulustan Ieso | IRQ | 53.44s | 4 | 0.301s | | 7. Treewadee Yongphan | THA | 54.59s | 3 | 0.159s | | 8. Suzana Zukhairi | YEM | 1:07.98 | 5 | 0.237s |
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| Heat 2 18:46 | Team | time | L | React. | | 1. Olga Tereshkova | KAZ | 53.52s | 5 | 0.254s | | 2. Lin Chen | CHN | 53.88s | 7 | 0.309s | | 3. Mandeep Kaur | IND | 53.93s | 4 | 0.250s | | 4. Chisato Tanaka | JPN | 53.99s | 3 | 0.204s | | 5. Danah Abdulrazzaq | IRQ | 56.35s | 2 | 0.202s | | 6. Ka Im Lam | MAC | 57.69s | 6 | 0.145s | | 7. Sabitri Nepali | NEP | 1:02.63 | 8 | 0.246s | | 8. Sandra Jalayta | PLE | 1:14.71 | 1 | 0.185s |
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