400 Metres Summary | World Athletics U20 Championships

First 3 of each heat (Q) plus 6 fastest times (q) qualify to Semi-Final

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS	ms*
1	1	3	1126	Ataja STEPHANIE-VAZQUEZ	USA	51.44 Q
2	1	4	671	Tianna SPRINGER	GUY	52.39 Q
3	1	1	901	Anastazja KUŚ	POL	52.55 Q
4	2	1	325	Shari HURDMAN	AUS	53.03 Q
5	3	1	622	Luna FISCHER	GER	53.17 Q
6	1	6	759	Daniellia DIXON	JAM	53.19 Q
7	2	3	597	Casey MUSGRAVE	GBR	53.25 Q
8	2	6	953	Davida STRONG	RSA	53.26 Q
9	3	6	832	Kenya MATURANA	MEX	53.31 Q PB
10	4	6	357	Kadia ROCK	BAR	53.32 q
11	1	2	1030	Lenka GYMERSKÁ	SVK	53.54 Q	.533
12	1	7	1079	Clara ADAMS	USA	53.54 Q	.536
13	2	4	969	Maša MEDJIMUREC	SLO	53.72 Q
14	1	5	324	Alice HILL	AUS	53.82 Q
15	3	3	740	Laura FRATTAROLI	ITA	53.85 Q
16	2	2	726	Matilde ABELLI	ITA	53.88 Q
17	3	2	769	Shameika MCLEAN	JAM	53.95 Q
18	3	4	636	Eni KUSKE	GER	53.97 Q	.966
19	4	4	858	Jecinta LAWRENCE	NGR	53.97 q	.966
20	4	3	986	Teodora POPOVIĆ	SRB	54.00 q PB
21	2	5	1133	Tyhra CHARLES	VIN	54.02 Q
22	2	7	566	Shade LAPORAL	FRA	54.04 Q
23	4	1	445	Wenyu ZHOU	CHN	54.31 q
24	3	5	351	Keyezra THOMAS	BAH	54.33 Q
25	5	3	303	Kettia AMBROSE	ANT	54.36 q
26	3	7	856	Faith EZECHUKWU	NGR	54.38 Q
27	4	2	499	Génesis Nicole CAÑOLA	ECU	54.43 q
28	6	3	882	Madeleine WADDELL	NZL	54.48
29	4	5	959	Kaliyah JONES	SKN	54.65 PB
30	5	6	401	Charlotte BOSMA	CAN	54.76
31	5	5	942	Christi LOGGENBERG	RSA	54.83
32	5	1	415	Sasha SALWONCHUK	CAN	54.87
33	4	7	674	Annette MCGRATH	HAI	55.08
34	5	4	501	Daniela Astrid CASTRO	ECU	55.19
35	7	3	1026	Lucia BORTLÍKOVÁ	SVK	55.20
36	6	1	967	Manca MARČELJA	SLO	55.29
37	6	5	872	Mia DE JAGER	NZL	55.31
38	5	2	999	Joelle HAUSAMMANN	SUI	55.33
39	6	2	868	Lilje LOPES PATEY	NOR	55.47
40	7	1	385	Isadora JUSTINIANA	BRA	55.50
41	7	2	924	Dianelis RIVERA	PUR	55.51
42	5	7	831	Alisson Judith MARTINEZ	MEX	55.53
43	6	7	346	Ilaha GULIYEVA	AZE	55.55
44	8	3	886	Isabel QUIROZ	PER	55.60
45	8	1	960	De'Cheynelle THOMAS	SKN	55.61
46	7	5	1053	Kayla CHARLES	TTO	55.89
47	7	7	803	Judith SINTILA	KEN	56.16	.151
48	6	6	382	Hemily DE JESUS	BRA	56.16	.153
49	7	6	349	Alexis ROBERTS	BAH	56.16	.157
50	8	6	685	Szonja KESZTHELYI	HUN	56.24
51	6	4	792	Sofya KIDENKO	KAZ	56.29
52	8	2	687	Nerina PÁPAI	HUN	56.53
53	8	7	458	Silvanilda Carina DELGADO GOMES	CPV	56.61 PB
54	7	4	451	Sara Manuela CUESTA	COL	57.12
55	9	3	804	Ji-woo CHOI	KOR	57.35
56	9	7	1056	Kyah HYSON	TTO	57.58
		4	653	Aishatu JAFFAR	GHA	DQ
		5	453	Isabella HURTADO	COL	DNS