4x400 Metres Relay Summary | World Athletics Championships, Tokyo 2025

First 3 of each heat (Q) plus 2 fastest times (q) qualify to Final

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS	ms*
1	1	1	USA	United States	USA	3:10.18 Q
2	2	1	GBR	Great Britain & NI	GBR	3:10.22 Q
3	1	2	BEL	Belgium	BEL	3:10.37 Q SB
4	2	2	NED	Netherlands	NED	3:11.11 Q SB
5	3	2	POL	Poland	POL	3:11.15 Q
6	3	1	RSA	South Africa	RSA	3:11.16 Q AR
7	4	1	ITA	Italy	ITA	3:11.20 q
8	5	1	JPN	Japan	JPN	3:12.08 q NR
9	4	2	ESP	Spain	ESP	3:12.57
10	5	2	AUS	Australia	AUS	3:13.46
11	6	1	IRL	Ireland	IRL	3:13.59
12	7	1	GER	Germany	GER	3:13.61
13	8	1	JAM	Jamaica	JAM	3:13.96	.953
14	6	2	CHN	PR of China	CHN	3:13.96	.958
15	7	2	FRA	France	FRA	3:14.02
16	9	1	CAN	Canada	CAN	3:18.94
		2	KEN	Kenya	KEN	DQ