4x100 Metres Relay Summary | 12th IAAF World Junior Championships

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

POS	Rank	Heat	ATHLETE	COUNTRY	RESULTS
1	1	1	United States U20	USA	43.76 Q WJL
2	2	1	Brazil U20	BRA	44.25 Q SB
3	3	1	Bahamas U20	BAH	44.32 q NJ
4	4	1	Saint Kitts and Nevis U20	SKN	44.45 q NJ
5	1	2	Jamaica U20	JAM	44.55 Q SB
6	5	1	Poland U20	POL	44.73 SB
7	1	3	Barbados U20	BAR	44.79 Q NJ
8	2	3	France U20	FRA	44.96 Q SB
9	3	3	Germany U20	GER	44.98 SB
10	4	3	Russia U20	RUS	45.15 SB
11	6	1	Netherlands U20	NED	45.21 NJ
12	5	3	Nigeria U20	NGR	45.30 SB
13	2	2	Switzerland U20	SUI	45.57 Q
14	3	2	Italy U20	ITA	45.64 SB
15	7	1	Canada U20	CAN	45.66 SB
16	6	3	Spain U20	ESP	45.88
17	4	2	Ireland U20	IRL	45.93 NJ
18	8	1	Thailand U20	THA	45.99
19	7	3	South Africa U20	RSA	46.37 SB
20	5	2	Sweden U20	SWE	46.58
21	8	3	Serbia U20	SRB	47.73 PB
		2	Australia U20	AUS	DQ
		2	Great Britain & NI U20	GBR	DNF
		2	Slovenia U20	SLO	DNS

4x100 Metres Relay women