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	ms*
1	1	1	JAM	Jamaica U20	JAM	43.28 Q
2	1	2	USA	United States U20	USA	43.66 Q SB
3	1	3	GBR	Great Britain & NI U20	GBR	43.78 Q NU20R
4	2	3	COL	Colombia U20	COL	44.34 Q NU20R	.332
5	3	3	GER	Germany U20	GER	44.34 q	.338
6	2	1	ITA	Italy U20	ITA	44.69 Q SB
7	2	2	AUS	Australia U20	AUS	44.83 Q SB
8	3	2	SUI	Switzerland U20	SUI	44.94 q SB	.940
8	4	3	CZE	Czech Republic U20	CZE	44.94 SB	.940
10	4	2	POL	Poland U20	POL	45.14 SB
11	3	1	FRA	France U20	FRA	45.20 SB
12	4	1	RSA	South Africa U20	RSA	45.84 SB
13	5	1	PUR	Puerto Rico U20	PUR	46.12 NU20R
14	6	1	TTO	Trinidad and Tobago U20	TTO	46.44
15	7	1	BAH	Bahamas U20	BAH	46.51 SB
		2	FIN	Finland U20	FIN	DQ
		3	NGR	Nigeria U20	NGR	DQ
		3	BRA	Brazil U20	BRA	DQ
		2	CAN	Canada U20	CAN	DNS