4x400 Metres Relay Summary | World Athletics Championships, Budapest 2023

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	3:10.41 Q WL
2	2	1	GBR	Great Britain & NI	GBR	3:11.19 Q NR
3	3	1	BEL	Belgium	BEL	3:11.81 Q SB
4	1	2	NED	Netherlands	NED	3:12.12 Q SB
5	2	2	FRA	France	FRA	3:12.25 Q NR
6	3	2	CZE	Czech Republic	CZE	3:12.52 Q
7	4	2	GER	Germany	GER	3:13.25 q SB
8	4	1	IRL	Ireland	IRL	3:13.90 q SB
9	5	2	JAM	Jamaica	JAM	3:14.05 SB
10	5	1	HUN	Hungary	HUN	3:14.08 NR
11	6	2	SUI	Switzerland	SUI	3:14.38	.371
12	7	2	NGR	Nigeria	NGR	3:14.38 SB	.378
13	6	1	ITA	Italy	ITA	3:14.56
14	8	2	POL	Poland	POL	3:14.63 qR
15	7	1	KEN	Kenya	KEN	3:15.47
16	8	1	POR	Portugal	POR	3:15.75
		1	DOM	Dominican Republic	DOM	DNS