| Event: | Women's 400 metres T13 |
| Games: | 2020 Summer |
| Venue: | Tokyo National Stadium |
| Dates: | 2–4 September 2021 |
| Competitors: | 17 |
| Nations: | 14 |
| Gold: | Lamiya Valiyeva |
| Goldnpc: | AZE |
| Silver: | Adiaratou Iglesias Forneiro |
| Silvernpc: | ESP |
| Bronze: | Kym Crosby |
| Bronzenpc: | USA |
| Prev: | 2016 |
The women's 400 metres T13 event at the 2020 Summer Paralympics in Tokyo, took place between 2–4 September 2021.
Prior to the competition, the existing records were as follows:[1]
| Area | Time | Athlete | Nation | |
|---|---|---|---|---|
| Africa | 55.56 | |||
| America | 54.46 | |||
| Asia | 58.08 | |||
| Europe | 55.70 | |||
| Oceania | 1:05.00 |
Heat 1 took place on 2 September 2021, at 21:21:[2]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 8 | 57.40 | , | |||
| 2 | 3 | 58.30 | ||||
| 3 | 4 | 58.56 | ||||
| 4 | 7 | 59.09 | ||||
| 5 | 5 | 1:11.74 | ||||
| 6 |
Heat 2 took place on 2 September 2021, at 21:29:[3]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 6 | 55.50 | , | |||
| 2 | 3 | 56.55 | , | |||
| 3 | 4 | 59.54 | ||||
| 4 | 8 | 1:04.76 | ||||
| 5 | 5 | 1:05.79 | ||||
| 6 | 7 | 1:09.22 |
Heat 3 took place on 2 September 2021, at 21:37:[4]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 4 | 55.70 | , = | |||
| 2 | 6 | 55.71 | , | |||
| 3 | 5 | 58.14 | ||||
| 4 | 3 | 58.48 | , | |||
| 5 | 7 | 1:04.18 |
The final took place on 4 September 2021, at 10:08:[5]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 6 | 55.00 | |||||
| 7 | 55.53 | |||||
| 3 | 56.79 | |||||
| 4 | 4 | 57.17 | ||||
| 5 | 8 | 57.18 | ||||
| 6 | 5 | 57.68 | ||||
| 7 | 2 | 58.05 | ||||
| 8 | 9 | 58.06 |