2015 World Youth Championships in Athletics – Girls' 400 metres

The girls' 400 metres at the 2015 World Youth Championships in Athletics was held at the Estadio Olímpico Pascual Guerrero in Cali, Colombia from 15 to 17 July 2015.

Girls' 400 metres at the 2015 World Youth Championships in Athletics
Venue	Estadio Olímpico Pascual Guerrero
Dates	15–17 July
Competitors	49 from 34 nations
Winning time	51.50
Medalists
Salwa Eid Naser   Bahrain   Lynna Irby   United States   Catherine Reid   Great Britain

Records

Prior to the competition, the following records were as follows.

World Youth Best	Li Jing (CHN)	50.01	Shanghai, China	18 October 1997
Championship Record	Nawal El Jack (SUD)	51.19	Marrakesh, Morocco	15 July 2005
World Youth Leading	Sydney McLaughlin (USA)	52.59	South Plainfield, United States	30 May 2015

Results

Round 1

First 3 in each heat (Q) and the next 3 fastest (q) advance to the semifinals.

Rank	Heat	Name	Nationality	Time	Note
1	2	Kyra Constantine	Canada	53.20	Q, PB
2	3	Lynna Irby	United States	53.49	Q
3	5	Salwa Eid Naser	Bahrain	53.61	Q
4	6	Roxana Gómez	Cuba	53.65	Q
5	2	Hannah Williams	Great Britain	53.93	Q, PB
6	3	Andrea Miklós	Romania	54.29	Q, PB
7	1	Symone Mason	United States	54.41	Q
8	4	Ivanna Avramchuk	Ukraine	54.42	Q, PB
9	4	Victoria Tachinski	Canada	54.43	Q
10	7	Erika Krūminaitė	Lithuania	54.63	Q, PB
11	7	Catherine Reid	Great Britain	54.69	Q
12	7	Dzhois Koba	Ukraine	54.89	Q
13	5	Natalia Kaczmarek	Poland	55.12	Q
14	4	Rebecca Borga	Italy	55.22	Q, PB
15	1	Janet Richard	Malta	55.36	Q
16	2	Alexía Polikráti	Greece	55.38	Q, PB
17	4	Avon Samuels	Guyana	55.42	q, PB
18	4	Dreshanae Rolle	Bahamas	55.51	q, PB
19	1	Rin Aoki	Japan	55.72	Q
20	5	Dora Filipović	Croatia	55.77	Q, SB
21	3	Alessia Tirnetta	Italy	55.84	Q
22	7	Mari Drabløs	Norway	55.84	q, PB
23	4	Shereen Samson Vallabouy	Malaysia	56.02
24	6	Meleni Rodney	Grenada	56.05	Q
25	2	Liang Nuo	China	56.14
26	6	Purity Chepkoech	Kenya	56.21	Q, PB
27	2	Ema Chovanová	Slovakia	56.44
28	7	Patricia Mendoza	Mexico	56.53
29	2	Patrīcija Roshofa	Latvia	56.62
30	5	Sofía Bencomo	Mexico	56.71
31	3	Andrea Serrano	Spain	56.84
32	1	Cristina Balan	Romania	57.08
33	6	Satanya Wright	Jamaica	57.11
34	6	D'Nia Freeman	Bahamas	57.34
35	6	Artesha Richardson	Anguilla	57.72	PB
36	5	Tamara Polić	Serbia	57.85
37	4	Ruth Peña	Spain	58.62
38	5	Janiel Moore	Jamaica	59.20
39	1	Nomatter Kapfudzaruwa	Zimbabwe	59.40
40	7	Jarly Marín	Colombia	59.41
41	3	Xiang Miaochan	China	1:00.14
42	3	Rebecca Guidi	San Marino	1:02.32	PB
43	1	Kellandie Bully	Dominica	1:02.81
–	1	Tania Caicedo	Ecuador	DQ
–	3	Lilian Reyes	Dominican Republic	DQ
–	7	Jane Njoki Theuri	Kenya	DQ
–	2	Natricia Hooper	Guyana	DQ
–	6	Luna Jović	Serbia	DQ
–	5	Yamani Mudiyanselage	Sri Lanka	DNS

Semifinal

First 2 in each heat (Q) and the next 2 fastest (q) advance to the final.

Rank	Heat	Name	Nationality	Time	Note
1	2	Lynna Irby	United States	52.77	Q, PB
2	1	Kyra Constantine	Canada	52.88	Q, PB
3	3	Salwa Eid Naser	Bahrain	52.99	Q
4	1	Catherine Reid	Great Britain	53.20	Q, PB
5	1	Symone Mason	United States	53.38	q
6	2	Hannah Williams	Great Britain	53.52	Q, PB
7	3	Roxana Gómez	Cuba	53.61	Q
8	3	Andrea Miklós	Romania	53.93	q, PB
9	2	Natalia Kaczmarek	Poland	54.25	PB
10	3	Dzhois Koba	Ukraine	54.26	PB
11	2	Ivanna Avramchuk	Ukraine	54.43
12	3	Victoria Tachinski	Canada	54.77
13	1	Janet Richard	Malta	55.37
14	1	Erika Krūminaitė	Lithuania	55.51
15	2	Dreshanae Rolle	Bahamas	55.58
16	2	Alexía Polikráti	Greece	55.68
16	1	Dora Filipović	Croatia	55.68	SB
18	1	Rin Aoki	Japan	55.69
19	2	Alessia Tirnetta	Italy	55.91
20	1	Mari Drabløs	Norway	56.33
21	2	Meleni Rodney	Grenada	56.36
22	3	Rebecca Borga	Italy	56.56
23	3	Purity Chepkoech	Kenya	57.87
–	3	Avon Samuels	Guyana	DQ

Final

Rank	Name	Nationality	Time	Note
	Salwa Eid Naser	Bahrain	51.50	WYL
	Lynna Irby	United States	51.79	PB
	Catherine Reid	Great Britain	52.25	PB
4	Kyra Constantine	Canada	52.44	PB
5	Roxana Gómez	Cuba	52.79	PB
6	Hannah Williams	Great Britain	53.24	PB
7	Andrea Miklós	Romania	53.29	PB
8	Symone Mason	United States	53.55