The women's 400 metres at the 2025 World Athletics Indoor Championships took place on the short track of the Nanjing's Cube at Nanjing Youth Olympic Sports Park in Nanjing, China, on 21 and 22 March 2025. It was the 21st time the event was contested at the World Athletics Indoor Championships. Athletes could qualify by achieving the entry standard or by their World Athletics Ranking in the event.
The heats of round 1 were held on 21 March during the evening session. The final was held on 22 March during the evening session. It was won by Amber Anning of Great Britain in 50.60 s, followed by Alexis Holmes of the United States and Henriette Jæger of Norway.
Background The women's 400 metres was contested 20 times before 2025, at every previous edition of the World Athletics Indoor Championships. + Records before the 2025 World Athletics Indoor Championships Record Athlete (nation) Location Date World record"All time Top lists – Senior – 400 Metres women", World Athletics. Retrieved 25 February 2025. 49.17 Glasgow, United Kingdom 2 March 2024 Championship record World leading"Season Top Lists – Senior 2025 – 400 Metres Short Track women", World Athletics, 2025. Retrieved 6 February 2025. 49.24 Virginia Beach, Virginia, United States 15 March 2025
Qualification For the women's 400 metres, the qualification period ran from 1 September 2024 until 9 March 2025. Athletes could qualify by achieving the entry standards of 51.00 s. Athletes could also qualify by virtue of their World Athletics Ranking for the event or by virtue of their World Athletics Indoor Tour wildcard. There was a target number of 30 athletes.
Results Round 1 The three heats of round 1 were held on 21 March, starting at 20:26 (UTC+8) in the evening. First two athletes of each heat () qualified for the final.
+ Results from heats of round 1 Rank Heat Athlete Nation Notes 1 3 50.79 2 1 51.42 3 1 51.67 , 4 2 51.67 5 3 52.13 6 2 52.22 7 2 52.62 8 2 52.86 9 3 53.14 10 3 53.39 11 1 55.54 12 2 56.34 13 3 56.67 1
Final The final was held on 22 March, starting at 20:44 (UTC+8) in the evening.
+Results of the final Rank Lane Name Nation Notes 6 50.60 4 50.63 5 50.92 4 3 51.78 5 2 51.97 6 1 52.90
References