| Women 400m 20th World Indoor Championship 2025 Nanjing, China - Saturday, 22nd March - Gold Medal: Amber Anning, Great Britain | 
| Final 21:25 |   | time |   | L | birth  |  | 1. Amber Anning |   Great Britain | 50.60s |   | 6 | 18.11.00 |  | 2. Alexis Holmes |   United States | 50.63s |   | 4 | 28.01.00 |  | 3. Henriette Jæger |   Norway | 50.92s |   | 5 | 30.06.03 |  | 4. Martina Weil |   Chile | 51.78s |   | 3 | 12.07.99 |  | 5. Justyna Święty-Ersetic |   Poland | 51.97s |   | 2 | 03.12.92 |  | 6. Rosey Effiong |   United States | 52.90s |   | 1 | 08.05.01 |   
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 | 100m: Amber Anning (GBR) 11.80s |  | 200m: Amber Anning (GBR) 23.67s |  | 300m: Alexis Holmes (USA) 36.38s |   
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| 14 athletes |  | 30 quota |  | 12 nations |   
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| _ Women 400m History. Henriette Jæger, Norway won silver at Europe Indoor 2025 Women 400m 2 weeks earlier. |  | Venue: Nanjing's Clube at Nanjing Youth Olympic Sports Park. Entry standard 51.00s until 9th March 2025. |  | World Indoor and Championship Record: Femke Bol, Netherlands 49.17s Glasgow, Great Britain 2 March 2024 |  | World Leading: Isabella Whittaker, United States 49.24s Virginia Beach, United States 15 March 2025 |   
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|
 Heats - Friday, 21st March 20:26 | 
| First 2 from each Heat advanced to Final. | 
| Heat 1 20:26 |   | time |   | L | Rk  |  | 1. Henriette Jæger |   Norway | 51.42s | Q | 5 | 2. |  | 2. Martina Weil |   Chile | 51.67s | Q, NR | 6 | 3. |  | 3. Sita Sibiri |   Burkina Faso | 55.54s | NR | 4 | 11. |  | -. Joanne Reid |   Jamaica | DNS |   | 3 | 14. |   
| 200m: Henriette Jæger (NOR) 24.26s |   
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| Heat 2 20:33 |   | time |   | L | Rk |  | 1. Alexis Holmes |   United States | 51.67s | Q | 6 | 3. |  | 2. Justyna Święty-Ersetic |   Poland | 52.22s | Q | 5 | 6. |  | 3. Bassant Hemida |   Egypt | 52.62s |   | 4 | 7. |  | 4. Leah Anderson |   Jamaica | 52.86s |   | 3 | 8. |  | 5. Bongiwe Mahlalela |   Eswatini | 56.34s | PB | 2 | 12. |   
| 200m: Alexis Holmes (USA) 23.97s |   
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| Heat 3 20:40 |   | time |   | L | Rk |  | 1. Amber Anning |   Great Britain | 50.79s | Q | 6 | 1. |  | 2. Rosey Effiong |   United States | 52.13s | Q | 5 | 5. |  | 3. Liu Yinglan |   China | 53.14s | PB | 3 | 9. |  | 4. Daniela Ledecká |   Slovakia | 53.39s |   | 2 | 10. |  | 5. Anny de Bassi |   Brazil | 56.67s | PB | 4 | 13. |   
| 200m: Amber Anning (GBR) 23.96s |   
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Prepared and maintained by Todor Krastev
todor1966@yahoo.com
Last updated: 27 Mar 2025
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