400 Metres 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	1648	Delano KENNEDY	JAM	45.49 Q PB
2	1	1	1852	Lythe PILLAY	RSA	45.61 Q SB
3	2	3	1986	Steven MCELROY	USA	45.67 Q
4	1	2	1270	Busang Collen KEBINATSHIPI	BOT	45.91 Q
5	2	1	1659	Shaemar UTER	JAM	45.96 Q PB
6	2	2	1924	Joshua ATKINSON	THA	46.13 Q NU20R
7	3	1	1299	Abbas Yusuf ALI	BRN	46.21 q
8	4	1	1314	Tyler FLOYD	CAN	46.22 q PB
9	3	3	1319	Christopher MORALES-WILLIAMS	CAN	46.27 PB
10	3	2	1995	Ashton SCHWARTZMAN	USA	46.50
11	5	1	1772	Andreas GRIMERUD	NOR	46.54
12	4	3	1682	Masataka TOMODA	JPN	46.62
13	4	2	1369	Tadeáš PLAČEK	CZE	46.63
14	5	2	1326	Martin KOUYOUMDJIAN	CHI	46.69 PB
15	6	2	1411	Ángel GONZÁLEZ	ESP	46.81
16	6	1	1408	Markel FERNANDEZ	ESP	46.88
17	7	2	1241	Cooper SHERMAN	AUS	46.94 PB
18	5	3	1293	Vinícius MOURA	BRA	47.00
19	6	3	1350	Marko OREŠKOVIĆ	CRO	47.51
20	7	1	1717	Lukas SUTKUS	LTU	47.55
21	7	3	1859	Tjaart VAN DER WALT	RSA	47.69
22	8	1	1663	Shion ARITA	JPN	47.97
23	8	2	1689	Elkanah Kiprotich CHEMELILI	KEN	48.03
24	8	3	1515	Lukas KRAPPE	GER	48.10

400 Metres men