400 Metres Summary | World Athletics U20 Championships

First 3 of each heat (Q) qualify to Final

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS	ms*
1	1	3	2428	Quincy WILSON	USA	45.02 Q
2	1	2	2244	Leendert KOEKEMOER	RSA	45.18 Q
3	1	1	2387	Jayden DELEON	USA	45.49 Q
4	2	1	1908	Malachi AUSTIN	GUY	45.87 Q	.864
5	2	3	2256	Kryn ROMIJN	RSA	45.87 Q	.868
6	2	2	1804	Milann KLEMENIC	FRA	45.87 Q	.870
7	3	2	1893	Godfred OPOKU	GHA	45.91 Q
8	3	1	1560	Zion DAVIS	BAH	45.96 Q
9	3	3	1943	Mohammed ASHFAQ	IND	46.00 Q
10	4	3	2284	Omel Shashintha Silva JAYATHUNGALAGE	SRI	46.06
11	4	1	2355	Suleiman ABDULRAHMAN	UAE	46.27
12	5	3	1605	Junior PHATSIMA	BOT	46.32
13	4	2	1526	Chase GRANT	AUS	46.36
14	6	3	2030	Jason PITTER	JAM	46.50
15	7	3	1534	Seth KENNEDY	AUS	46.51 PB
16	5	2	1911	Tishawn EASTON	GUY	46.57
17	5	1	1797	Lucas COUDERC	FRA	46.69
18	6	1	2024	Jabari MATHESON	JAM	47.10
19	6	2	2440	Ropafadzo Liberty MZONDO	ZIM	47.11
20	7	2	2107	Emīls LAMBA	LAT	47.20
21	8	3	1694	Dominik JEZERNIK	CRO	47.27
22	7	1	2218	Yariel PEREZ	PUR	47.29
23	8	2	2229	Jessus Armando BĂNICIOIU	ROU	47.46
24	9	2	2287	Rajakaruna MUDIYANSELAGE	SRI	47.59
25	8	1	1509	Imadeddine HAMIDA	ALG	47.62
26	9	1	2344	Zachery FRANK	TTO	47.91
27	9	3	1648	Zachary JEGGO	CAN	49.15