400 Metres Result | World Athletics U20 Championships

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

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	1852	Lythe PILLAY	RSA	45.61 Q SB	0.171
2	1659	Shaemar UTER	JAM	45.96 Q PB	0.231
3	1299	Abbas Yusuf ALI	BRN	46.21 q	0.164
4	1314	Tyler FLOYD	CAN	46.22 q PB	0.191
5	1772	Andreas GRIMERUD	NOR	46.54	0.202
6	1408	Markel FERNANDEZ	ESP	46.88	0.168
7	1717	Lukas SUTKUS	LTU	47.55	0.187
8	1663	Shion ARITA	JPN	47.97	0.179

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	1270	Busang Collen KEBINATSHIPI	BOT	45.91 Q	0.229
2	1924	Joshua ATKINSON	THA	46.13 Q NU20R	0.230
3	1995	Ashton SCHWARTZMAN	USA	46.50	0.234
4	1369	Tadeáš PLAČEK	CZE	46.63	0.172
5	1326	Martin KOUYOUMDJIAN	CHI	46.69 PB	0.177
6	1411	Ángel GONZÁLEZ	ESP	46.81	0.194
7	1241	Cooper SHERMAN	AUS	46.94 PB	0.147
8	1689	Elkanah Kiprotich CHEMELILI	KEN	48.03	0.224

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	1648	Delano KENNEDY	JAM	45.49 Q PB	0.185
2	1986	Steven MCELROY	USA	45.67 Q	0.147
3	1319	Christopher MORALES-WILLIAMS	CAN	46.27 PB	0.206
4	1682	Masataka TOMODA	JPN	46.62	0.152
5	1293	Vinícius MOURA	BRA	47.00	0.150
6	1350	Marko OREŠKOVIĆ	CRO	47.51	0.139
7	1859	Tjaart VAN DER WALT	RSA	47.69	0.216
8	1515	Lukas KRAPPE	GER	48.10	0.244