| 1. Marileidy Paulino |  Dominicana | 48.76s | NR | - | | 2. Natalia Kaczmarek |  Poland | 49.57s | | - | | 3. Sada Williams |  Barbados | 49.60s | | - | | 4. Rhasidat Adeleke |  Ireland | 50.13s | | - | | 5. Cynthia Bolingo |  Belgium | 50.33s | | - | | 6. Lieke Klaver |  Netherlands | 50.33s | | - | | 7. Candice McLeod |  Jamaica | 51.08s | | - | | 8. Talitha Diggs |  United States | 51.25s | | - |
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| World Record: Marita Koch, East Germany 47.60s Canberra, Australia 6 October 1985 | | Championship Record: Jarmila Kratochvílová, Czechoslovakia 47.99s Helsinki, Finland 10 August 1983 | | World Leading: Sydney McLaughlin-Levrone, United States 48.74s Eugene, United States 8 July 2023 | | -- Competitors from -- Nations. Quota --. Entry Standard: --.--s. Venue: National Athletics Centre. | | |
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| | | 7 Heats. First 3 from each Heat and next best 3 times advanced to Semi-Finals. |
| African Record: Falilat Ogunkoya, Nigeria 49.10s Atlanta, United States 29 July 1996 | | Asian Record: Salwa Eid Naser, Bahrain 48.14s Doha, Qatar 3 October 2019 | | North, Central American and Caribbean Record: Shaunae Miller-Uibo, Bahamas 48.36s Tokyo, Japan 6 August 2021 | | South American Record: Ximena Restrepo, Colombia 49.64s Barcelona, Spain 5 August 1992 | | European Record: Marita Koch, East Germany 47.60s Canberra, Australia 6 October 1985 | | Oceanian Record: Cathy Freeman, Australia 48.63s Atlanta, United States 29 July 1996 |
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Prepared and maintained by Todor Krastev
todor1966@yahoo.com
Last updated: 14 Sep 2025
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