Medals list
- GoldChina
- SilverGreat Britain
- BronzeUnited States
Over - 1ChinaWRWorld Record45.09Time: 45.09 secondes qGuohuaZhouHaoWangXiaoyanWenYangHu
- 2Great BritainARArea Record46.61Time: 46.61 secondes qZacharyShawJonniePeacockAliSmithSamanthaKinghorn
- 1ChinaWRWorld Record
Over - 1United StatesSBSeason Best46.39 Time: 46.39 secondes qNoahMaloneKorbanBestTaylorSwansonTatyanaMcfadden
- 2JapanSBSeason Best
47.09 Time: 47.09 secondes qUranSawadaSaeTsujiTakeruMatsumotoTomokiIkoma - 3BrazilSBSeason Best
51.19 Time: 51.19 secondes LorenaSilva SpoladoreWashingtonJuniorVeronicaHipolitoAriosvaldoFernandes Da Silva
- 1United StatesSBSeason Best
- WR
- World Record
- q
- Qualified by time (track and relays) or performance (field events)
- AR
- Area Record
- SB
- Season Best
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