| Final 19:00 | time |   | L | React. | Q | bib |  | 1. Salwa Eid Naser |   Bahrain | 50.09s | GR | 5 | 0.156 | 1. | 115 |  | 2. Hima Das |   India | 50.79s | NR | 3 | 0.161 | 2. | 299 |  | 3. Elina Mikhina |   Kazakhstan | 52.63s |   | 1 | 0.206 | 3.q | 497 |  | 4. Nirmala Sheoran |   India | 52.96s |   | 4 | 0.277 | 1. | 310 |  | 5. Huang Guifen |   China | 53.89s |   | 8 | 0.201 | 7. | 158 |  | 6. Tong Zenghuan |   China | 53.95s |   | 7 | 0.296 | 2. | 173 |  | 7. Iman Essa Jasim |   Bahrain | 54.19s |   | 6 | 0.158 | 5. | 128 |  | 8. Nguyễn Thị Hằng |   Vietnam | 54.30s | PB | 2 | 0.175 | 8.q | 842 |   
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| Venue: Gelora Brung Karno Stadium |  | Indonesian Western Standard Time (UTC) +7. |  | Heats |   
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| World Record: Marita Koch (GDR) 47.60 Canberra, Australia, 6 October 1985 |  | Asian Record: Salwa Eid Naser (BRN) 49.08s Fontvieille, Monaco, 20 July 2018 |  | Games Record: Kemi Adekoya (BRN) 51.11s Incheon, South Korea, 27 September 2014 |   
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  Heats - Saturday 25 August 20:35 |  | First 2 and best 2 advanced to Final. 3 Heats with 18 athletes. |   
| Ranking | time |   | L | Rk. |  | 1. Salwa Eid Naser |   Bahrain | 50.86s | Q, GR |   | 1. |  | 2. Hima Das |   India | 51.00s | Q, NR |   | 2. |  | 3. Elina Mikhina |   Kazakhstan | 53.75s | q |   | 3. |  | 4. Dewi Ayu Agung Kurniayanti |   Indonesia | 56.09s | SB |   | 10. |  | 5. Supanich Poolkerd |   Thailand | 56.62s |   |   | 13. |  | 6. Aishath Himna Hassan |   Maldives | 1:00.59 |   |   | 15. |   
| Ranking | time |   | L | Rk. |  | 1. Iman Essa Jasim |   Bahrain | 54.10s | Q |   | 5. |  | 2. Huang Guifen |   China | 54.30s | Q |   | 7. |  | 3. Nguyễn Thị Hằng |   Vietnam | 54.99s | q |   | 8. |  | 4. Lyubov Ushakova |   Kazakhstan | 56.00s |   |   | 9. |  | 5. Kristina Pronzhenko |   Tajikistan | 56.59s |   |   | 12. |  | 6. Dana Salah Al-Shehri |   Saudi Arabia | 1:06.33 |   |   | 17. |   
| Ranking | time |   | L | Rk. |  | 1. Nirmala Sheoran |   India | 54.09s | Q |   | 4. |  | 2. Tong Zenghuan |   China | 54.29s | Q |   | 6. |  | 3. Sri Maya Sari |   Indonesia | 56.47s |   |   | 11. |  | 4. Sumi Aktar |   Bangladesh | 57.16s | PB |   | 14. |  | 5. Rawiwan Pratike |   Thailand | 1:00.78 |   |   | 16. |  | 6. Hanin Wakil Ghaleb Thabit |   Yemen | 1:05.79 |   |   | 17. |   
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