4x100 Metres Relay Summary | World Athletics U20 Championships

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

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS
1	1	3	JAM	Jamaica U20	JAM	43.81 Q
2	1	2	USA	United States U20	USA	44.22 Q SB
3	2	2	AUS	Australia U20	AUS	44.76 Q
4	1	1	SUI	Switzerland U20	SUI	44.88 Q SB
5	3	2	POL	Poland U20	POL	45.00 q
6	2	1	CAN	Canada U20	CAN	45.23 Q SB
7	3	1	UKR	Ukraine U20	UKR	45.26 q
8	2	3	PUR	Puerto Rico U20	PUR	45.28 Q NU20R
9	4	2	IND	India U20	IND	45.31 NU20R
10	3	3	ITA	Italy U20	ITA	45.55
11	4	3	SLO	Slovenia U20	SLO	45.63 NU20R
12	4	1	ESP	Spain U20	ESP	45.84
13	5	1	CHI	Chile U20	CHI	46.15
14	5	3	BOT	Botswana U20	BOT	46.43 NU20R
15	5	2	RSA	South Africa U20	RSA	46.61 SB
16	6	1	ECU	Ecuador U20	ECU	47.43
17	6	2	PER	Peru U20	PER	49.31
		1	GER	Germany U20	GER	DNF
		1	GBR	Great Britain & NI U20	GBR	DQ
		3	BRA	Brazil U20	BRA	DQ
		3	NGR	Nigeria U20	NGR	DQ
		3	FRA	France U20	FRA	DQ
		2	TTO	Trinidad and Tobago U20	TTO	DQ
		2	HUN	Hungary U20	HUN	DNS

4x100 Metres Relay women