| Incheon Asiad Main Stadium - Track. Start time: 19:20 |
| Final | time | | L | React. | Birth | bib | | 1. Oluwakemi Mujidat Adekoya |  BRN | 55.77s | | 5 | 0.164 | 16 Jan 1993 | 1003 | | 2. Satomi Kubokura |  JPN | 56.21s | SB | 4 | 0.176 | 27 Apr 1982 | 1114 | | 3. Xia Xiao |  CHN | 56.59s | SB | 7 | 0.223 | 06 Jun 1991 | 1030 | | 4. Ashwini Chidananda Akkunji |  IND | 57.52s | | 6 | 0.235 | 07 Oct 1987 | 1080 | | 5. Marina Zaiko |  KAZ | 58.55s | | 8 | 0.309 | 17 Jan 1993 | 1133 | | 6. Minjia Cai | CHN | 59.78s | | 9 | 0.213 | 02 Apr 1993 | 1029 | | 7. Eunju Jo |  KOR | 59.89s | | 2 | 0.207 | 12 Nov 1989 | 1161 | | 8. Natalya Asanova |  UZB | 1:00.42 | | 3 | 0.167 | 29 Nov 1989 | 1257 |
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| Records | | WR | 52.34s | Yuliya Pechonkina (RUS) | Tula (RUS) | | 08 Aug 2003 | | =AS | 53.96s | Sing Yinglan (CHN) | Guangzhou (CHN) | | 22 Nov 2001 | | AS | 53.96s | Han Qing (CHN) | Beijing (CHN) | | 09 SEP 1993 | | GR | 55.26s | Leng Xueyan (CHN) | Hiroshima (JPN) | Asian Games | 14 Oct 1994 |
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| | | First 3 and Best 2 progress to the Final. 2 Heats, 9 Athletes. | Heat 1 10:25 |
| Ranking | time | | L | React. | Birth | bib | | 1. Oluwakemi Mujidat Adekoya | BRN | 55.09s | GR | 3 | 0.162 | 16 Jan 1993 | 1003 | | 2. Ashwini Chidananda Akkunji | IND | 57.67s | | 6 | 0.192 | 07 Oct 1987 | 1080 | | 3. Minjia Cai | CHN | 59.22s | | 7 | 0.199 | 02 Apr 1993 | 1029 | | 4. Natalya Asanova | UZB | 59.73s | | 4 | 0.188 | 29 Nov 1989 | 1257 | | 5. Eunju Jo | KOR | 59.93s | | 5 | 0.178 | 12 Nov 1989 | 1161 |
| Ranking | time | | L | React. | Birth | bib | | 1. Xia Xiao | CHN | 58.13s | | 6 | 0.250 | 06 Jun 1991 | 1030 | | 2. Satomi Kubokura | JPN | 58.46s | | 4 | 0.192 | 27 Apr 1982 | 1114 | | 3. Marina Zaiko | KAZ | 59.18s | | 7 | 0.293 | 17 Jan 1993 | 1133 | | 4. Kyeongmi Son | KOR | 1:01.01 | | 5 | 0.168 | 09 Feb 1990 | 1160 |
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