400 Metres Summary | World Athletics Championships, Tokyo 2025

First 2 of each heat (Q) plus 2 fastest times (q) qualify to Final

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS	ms*
1	1	3	1427	Sydney MCLAUGHLIN-LEVRONE	USA	48.29 Q WL
2	2	3	851	Amber ANNING	GBR	49.38 Q SB
3	3	3	1035	Nickisha PRYCE	JAM	49.46 q SB
4	1	2	613	Salwa Eid NASER	BRN	49.47 Q
5	1	1	1198	Natalia BUKOWIECKA	POL	49.67 Q SB
6	2	2	711	Roxana GÓMEZ	CUB	49.78 Q SB
7	2	1	741	Marileidy PAULINO	DOM	49.82 Q
8	3	1	1176	Henriette JÆGER	NOR	49.87 q
9	4	3	658	Martina WEIL	CHI	49.88
10	3	2	1451	Isabella WHITTAKER	USA	50.20
11	4	2	1144	Lieke KLAVER	NED	50.25
12	5	2	1045	Stacey Ann WILLIAMS	JAM	50.39	.381
13	4	1	566	Sada WILLIAMS	BAR	50.39 SB	.389
14	5	1	1383	Aaliyah BUTLER	USA	50.63
15	6	1	935	Wadeline VENLOGH	HAI	50.67
16	5	3	746	Bassant HEMIDA	EGY	50.69
17	6	2	559	Printassia JOHNSON	BAH	50.81
18	6	3	1249	Andrea MIKLÓS	ROU	50.90 SB
19	7	3	774	Paula SEVILLA	ESP	50.97
20	8	3	958	Sharlene MAWDSLEY	IRL	51.22
21	7	2	1096	Mercy Adongo OKETCH	KEN	51.36
22	7	1	1034	Dejanea OAKLEY	JAM	51.42
23	8	1	864	Yemi Mary JOHN	GBR	51.51
24	8	2	875	Victoria OHURUOGU	GBR	51.65