4x400 Metres Relay Summary | IAAF World Relays

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

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS
1	1	2	USA	United States	USA	3:23.84 Q CR
2	2	2	JAM	Jamaica	JAM	3:24.95 Q SB
3	1	1	NGR	Nigeria	NGR	3:27.07 Q CR
4	3	2	GBR	Great Britain & NI	GBR	3:27.30 Q SB
5	4	2	POL	Poland	POL	3:27.37 q SB
6	5	2	FRA	France	FRA	3:28.93 q SB
7	2	1	BRA	Brazil	BRA	3:30.37 Q SB
8	3	1	ITA	Italy	ITA	3:30.67 Q SB
9	4	1	TTO	Trinidad and Tobago	TTO	3:30.91 SB
10	6	2	AUS	Australia	AUS	3:30.92 SB
11	5	1	CAN	Canada	CAN	3:34.60 SB
12	6	1	BAH	Bahamas	BAH	3:54.65
		1	RUS	Russia	RUS	DNS

4x400 Metres Relay women