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	ms*
1	1	1	537	Yemi Mary JOHN	GBR	51.72 Q PB
2	1	2	635	. RUPAL	IND	52.27 Q PB
3	2	1	715	Damaris MUTUNGA	KEN	52.29 Q PB	.284
4	2	2	686	Dejanea OAKLEY	JAM	52.29 Q	.289
5	3	2	776	Henriette JÆGER	NOR	52.33 q NU20R
6	1	3	474	Berta SEGURA	ESP	52.51 Q
7	4	2	304	Ellie BEER	AUS	52.55 q SB
8	3	1	378	Ella CLAYTON	CAN	52.84
9	4	1	973	Mekenze KELLEY	USA	53.09
10	5	1	628	Priya HABBATHANAHALLI MOHAN	IND	53.22
11	2	3	848	Precious MOLEPO	RSA	53.28 Q
12	3	3	310	Jasmin GUTHRIE	AUS	53.56 PB
13	5	2	943	Zaya AKINS	USA	53.62
14	4	3	769	Queen USUNOBUN	NGR	53.63
15	5	3	706	Sylvia CHELANGAT	KEN	53.89 SB
16	6	1	510	Katriina WRIGHT	FIN	53.95
17	6	2	784	Mia POWELL	NZL	54.37
18	6	3	688	Rickianna RUSSELL	JAM	54.44
19	7	2	861	Ana RUS	SLO	54.53
20	7	3	820	Ioana Rebecca ANDREI	ROU	54.78
21	7	1	872	Tharushi M. DISSANAYAKA	SRI	54.86
22	8	1	338	Javonya VALCOURT	BAH	54.89 PB
		3	368	Zenab Moussa ALI MAHAMAT	BRN	DQ
		2	735	Salma LEHLALI	MAR	DQ