2016 IAAF World U20 Championships – Women's 400 metres

The women's 400 metres event at the 2016 IAAF World U20 Championships was held at Zdzisław Krzyszkowiak Stadium on 19, 20 and 21 July.

Medalists

Gold	Tiffany James Jamaica
Silver	Lynna Irby United States
Bronze	Junelle Bromfield Jamaica

Records

Standing records prior to the 2016 IAAF World U20 Championships in Athletics
World Junior Record	Grit Breuer (GER)	49.42	Tokyo, Japan	27 August 1991
Championship Record	Ashley Spencer (USA)	50.50	Barcelona, Spain	13 July 2012
World Junior Leading	Salwa Eid Naser (BHR)	51.63	Stara Zagora, Bulgaria	9 June 2016

Results

Heats

Heat 1

Heat 2

Heat 3

Qualification: First 3 of each heat (Q) and the 6 fastest times (q) qualified for the semifinals.

Rank	Heat	Name	Nationality	Time	Note
1	4	Tiffany James	Jamaica	52.98	Q
2	1	Maureen Nyatichi Thomas	Kenya	53.04	Q
3	5	Lynna Irby	United States	53.08	Q
4	3	Roxana Gómez	Cuba	53.16	Q
5	2	Junelle Bromfield	Jamaica	53.21	Q
6	1	Natassha McDonald	Canada	53.62	Q, PB
7	1	Hendrikje Richter	Germany	53.67	Q
8	5	Jessica Thornton	Australia	53.70	Q
9	2	Dzhois Koba	Ukraine	53.74	Q
10	3	Hannah Williams	Great Britain	53.85	Q
11	6	Paola Morán	Mexico	53.96	Q
12	2	Karrington Winters	United States	54.12	Q
13	6	Zdenka Seidlová	Czech Republic	54.13	Q, SB
14	6	Rebecca Borga	Italy	54.41	Q
15	5	Ashlan Best	Canada	54.47	Q
16	2	Jeanelle Griesel	South Africa	54.47	q
17	1	Shaquania Dorsett	Bahamas	54.55	q
18	6	Vijona Kryeziu	Kosovo	54.67	q, SB
19	6	Lily Beckford	Great Britain	54.70	q
20	4	Ivanna Avramchuk	Ukraine	54.71	Q
21	5	Hannah Mergenthaler	Germany	54.75	q
22	3	Natalia Kaczmarek	Poland	54.75	Q
23	1	Erika Krūminaitė	Lithuania	54.89	q, SB
24	6	Mollie O'Reilly	Ireland	54.92
25	4	Jenna Bromell	Ireland	54.98	Q
26	3	Chelsea Zoller	Switzerland	55.00
27	5	Tarika Moses	British Virgin Islands	55.04
28	2	Dora Filipović	Croatia	55.16
29	4	Haruko Ishizuka	Japan	55.20
30	1	Myia Dorsey	United States Virgin Islands	55.25
31	1	Galefele Moroko	Botswana	55.38
32	6	Molly Blakey	Australia	55.49
33	5	Daniela Tassani	Italy	55.62
34	3	Zinash Tesfaye	Ethiopia	55.75
35	3	Þórdís Eva Steinsdóttir	Iceland	56.06
36	4	Liang Nuo	China	56.08
37	4	Eliana Chávez	Colombia	56.96
38	5	Jane Njoki Theuri	Kenya	57.13
39	5	María Simancas	Venezuela	57.51
40	1	Kalliopi Kountouri	Cyprus	59.11
	2	Mahilet Fikre	Ethiopia	DQ	R163.3(a)
	3	Jisna Mathew	India	DQ	R163.3(a)
	2	Shafiqua Maloney	Saint Vincent and the Grenadines	DNS
	3	Mariette Agbety	Benin	DNS
	4	Praise Oghenefejiro Idamadudu	Nigeria	DNS
	4	Artesha Richardson	Anguilla	DNS
	6	Yinka Ajayi	Nigeria	DNS

Semifinals

Semifinal 2

Semifinal 3

Qualification: First 2 of each heat (Q) and the 2 fastest times (q) qualified for the final.

Rank	Heat	Name	Nationality	Time	Note
1	3	Tiffany James	Jamaica	51.77	Q
2	1	Lynna Irby	United States	51.90	Q, SB
3	2	Jessica Thornton	Australia	52.12	Q, PB
4	2	Junelle Bromfield	Jamaica	52.18	Q
5	1	Roxana Gómez	Cuba	52.26	Q, PB
6	2	Maureen Nyatichi Thomas	Kenya	52.52	q
7	1	Dzhois Koba	Ukraine	52.79	q, PB
8	1	Hannah Williams	Great Britain	52.80	PB
9	2	Karrington Winters	United States	52.80	PB
10	3	Natassha McDonald	Canada	53.06	Q, PB
11	3	Paola Morán	Mexico	53.08
12	1	Ashlan Best	Canada	53.27	PB
13	3	Jeanelle Griesel	South Africa	53.68	SB
14	3	Hendrikje Richter	Germany	53.85
15	1	Rebecca Borga	Italy	53.93
16	2	Zdenka Seidlová	Czech Republic	53.95	PB
17	1	Hannah Mergenthaler	Germany	54.13
18	2	Natalia Kaczmarek	Poland	54.32
19	3	Ivanna Avramchuk	Ukraine	54.64
20	3	Erika Krūminaitė	Lithuania	54.87	SB
21	2	Lily Beckford	Great Britain	54.88
22	3	Jenna Bromell	Ireland	55.20
23	1	Vijona Kryeziu	Kosovo	55.95
	2	Shaquania Dorsett	Bahamas	DNS

Final

Rank	Lane	Name	Nationality	Time	Note
	5	Tiffany James	Jamaica	51.32	WU20L
	7	Lynna Irby	United States	51.39	PB
	4	Junelle Bromfield	Jamaica	52.05
4	6	Jessica Thornton	Australia	52.05	PB
5	2	Maureen Nyatichi Thomas	Kenya	52.09	NU20R
6	9	Roxana Gómez	Cuba	52.24	PB
7	8	Natassha McDonald	Canada	53.35
8	3	Dzhois Koba	Ukraine	53.74