4x400 Metres Relay Summary | IAAF World Athletics Championships, DOHA 2019

First 3 in each heat (Q) and the next 2 fastest (q)

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS
1	1	1	USA	United States	USA	3:12.42 Q WR
2	2	1	JAM	Jamaica	JAM	3:12.73 Q NR
3	3	1	BRN	Bahrain	BRN	3:12.74 Q AR
4	4	1	GBR	Great Britain & N.I.	GBR	3:12.80 q AR
5	1	2	POL	Poland	POL	3:15.47 Q
6	2	2	BRA	Brazil	BRA	3:16.12 Q AR
7	3	2	IND	India	IND	3:16.14 Q SB
8	4	2	BEL	Belgium	BEL	3:16.16 q NR
9	5	2	ITA	Italy	ITA	3:16.52
10	5	1	CAN	Canada	CAN	3:16.76 NR
11	6	2	KEN	Kenya	KEN	3:17.09
12	6	1	FRA	France	FRA	3:17.17 NR
13	7	1	UKR	Ukraine	UKR	3:17.50
14	7	2	GER	Germany	GER	3:17.85
15	8	1	CZE	Czech Republic	CZE	3:18.01
16	8	2	JPN	Japan	JPN	3:18.77 NR

4x400 Metres Relay mixed