Women's 100 metre backstroke at the 2013 World Aquatics Championships
Venue	Palau Sant Jordi
Date	July 29, 2013 (heats & semifinals) July 30, 2013 (final)
Competitors	50 from 43 nations
Winning time	58.42
Medalists
Missy Franklin    United States   Emily Seebohm    Australia   Aya Terakawa    Japan
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The women's 100 metre backstroke event in swimming at the 2013 World Aquatics Championships took place on 29–30 July at the Palau Sant Jordi in Barcelona, Spain.^[1][2]

Prior to this competition, the existing world and championship records were:

World record	Gemma Spofforth (GBR)	58.12	Rome, Italy	28 July 2009	[3]
Competition record	Gemma Spofforth (GBR)	58.12	Rome, Italy	28 July 2009	[3]

The heats were held at 10:00.^[4]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	4	4	Missy Franklin	United States	59.13	Q
2	4	6	Katinka Hosszú	Hungary	59.40	Q, NR, WD
3	5	5	Elizabeth Pelton	United States	59.94	Q
4	3	5	Fu Yuanhui	China	1:00.01	Q
5	5	4	Emily Seebohm	Australia	1:00.02	Q
6	4	3	Simona Baumrtová	Czech Republic	1:00.05	Q
7	3	4	Aya Terakawa	Japan	1:00.09	Q
8	5	3	Sinead Russell	Canada	1:00.17	Q
9	4	5	Belinda Hocking	Australia	1:00.39	Q
10	5	2	Daryna Zevina	Ukraine	1:00.43	Q
11	4	2	Cloe Credeville	France	1:00.70	Q
12	3	6	Duane Da Rocha	Spain	1:00.80	Q
13	4	7	Zhou Yanxin	China	1:00.99	Q
14	3	1	Mercedes Peris	Spain	1:01.19	Q
15	3	3	Lauren Quigley	Great Britain	1:01.23	Q
16	3	0	Karin Prinsloo	South Africa	1:01.25	Q
17	4	1	Kimberly Buys	Belgium	1:01.35	Q
18	5	0	Carolina Colorado Henao	Colombia	1:01.41
19	5	6	Georgia Davies	Great Britain	1:01.61
20	5	1	Eygló Ósk Gústafsdóttir	Iceland	1:01.71
21	3	7	Etiene Medeiros	Brazil	1:01.75
22	5	9	Klaudia Nazieblo	Poland	1:01.77
23	5	8	María Fernanda González	Mexico	1:01.84
24	1	9	Daria Ustinova	Russia	1:02.04
25	2	5	Stephanie Au	Hong Kong	1:02.10
26	2	6	Gisela Morales	Guatemala	1:02.12
27	3	9	Yekaterina Rudenko	Kazakhstan	1:02.49
28	3	2	Sayaka Akase	Japan	1:02.51
29	4	9	Ekaterina Avramova	Bulgaria	1:02.79
30	2	4	Halime Zeren	Turkey	1:02.91
31	4	8	Selina Hocke	Germany	1:02.94
32	5	7	Kristina Steins	Canada	1:03.15
33	3	8	Tao Li	Singapore	1:03.31
34	2	8	Zanre Oberholzer	Namibia	1:03.36
35	2	3	Yulduz Kuchkarova	Uzbekistan	1:03.54
36	2	9	Tatiana Perstniova	Moldova	1:03.59
37	4	0	Kim Ji-Hyun	South Korea	1:04.66
38	2	1	Karen Vilorio	Honduras	1:04.79
39	2	2	McKayla Lightbourn	Bahamas	1:04.97
40	2	0	Birita Debes	Faroe Islands	1:05.64	NR
41	2	7	Inés Remersaro	Uruguay	1:06.70
42	1	4	Siona Huxley	Saint Lucia	1:09.05
43	1	3	Evelina Afoa	Samoa	1:09.11
44	1	5	Kuan Weng I	Macau	1:09.70
44	1	6	Nadeera Jayasekera	Sri Lanka	1:09.70
46	1	7	Caylee Watson	Virgin Islands	1:09.90	NR
47	1	2	Elvira Hasanova	Azerbaijan	1:10.47
48	1	8	Nur Hamizah Ahmad	Brunei	1:13.25
49	1	1	Altansukh Nomin	Mongolia	1:18.95
50	1	0	Vivie Geneva Chamberlain	Laos	1:29.16

The semifinals were held at 18:55.^[5]

Rank	Lane	Name	Nationality	Time	Notes
1	5	Emily Seebohm	Australia	59.38	Q
2	4	Elizabeth Pelton	United States	59.44	Q
3	3	Aya Terakawa	Japan	59.80	Q
4	6	Belinda Hocking	Australia	1:00.24	Q
5	7	Zhou Yanxin	China	1:00.85
6	1	Lauren Quigley	Great Britain	1:00.96
7	2	Cloe Credeville	France	1:01.16
8	8	Kimberly Buys	Belgium	1:01.24

Rank	Lane	Name	Nationality	Time	Notes
1	4	Missy Franklin	United States	59.31	Q
2	5	Fu Yuanhui	China	59.82	Q
3	2	Daryna Zevina	Ukraine	59.90	Q, NR
4	3	Simona Baumrtová	Czech Republic	59.99	Q, =NR
5	6	Sinead Russell	Canada	1:00.37
6	7	Duane Da Rocha	Spain	1:00.53
7	8	Karin Prinsloo	South Africa	1:01.05
8	1	Mercedes Peris	Spain	1:01.59

The final was held at 18:10.^[6]

Rank	Lane	Name	Nationality	Time	Notes
	4	Missy Franklin	United States	58.42
	5	Emily Seebohm	Australia	59.06
	6	Aya Terakawa	Japan	59.23
4	3	Elizabeth Pelton	United States	59.45
5	2	Fu Yuanhui	China	59.61
6	1	Simona Baumrtová	Czech Republic	59.84	NR
7	7	Daryna Zevina	Ukraine	1:00.16
8	8	Belinda Hocking	Australia	1:00.29

• Barcelona 2013 Swimming Coverage