The women's 4 × 100 metre freestyle relay competition at the 2023 World Aquatics Championships was held on 23 July 2023.[1][2][3]
Prior to the competition, the existing world and championship records were as follows:[4]
The following new records were set during this competition:
The heats were held at 13:03.[5]
The final was held at 21:32.[6]
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