Swimming at the 2013 World Aquatics Championships – Women's 100 metre butterfly

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

World record	Dana Vollmer (USA)	55.98	London, Great Britain	29 July 2012	[3][4]
Competition record	Sarah Sjöström (SWE)	56.06	Rome, Italy	27 July 2009	[5]

The heats were held at 10:00.^[6]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	6	4	Dana Vollmer	United States	57.22	Q
2	6	5	Sarah Sjöström	Sweden	57.28	Q
3	6	3	Katerine Savard	Canada	57.31	Q, NR
4	5	4	Alicia Coutts	Australia	57.56	Q
5	5	5	Jeanette Ottesen Gray	Denmark	57.79	Q
6	6	6	Noemie Thomas	Canada	58.11	Q
7	4	5	Ilaria Bianchi	Italy	58.22	Q
8	5	6	Brittany Elmslie	Australia	58.27	Q
9	4	6	Jemma Lowe	Great Britain	58.38	Q
10	5	3	Claire Donahue	United States	58.58	Q
11	4	8	Ingvild Snildal	Norway	58.83	Q
12	4	4	Lu Ying	China	58.93	Q
13	6	2	Tao Li	Singapore	58.94	Q
14	5	8	Evelyn Verrasztó	Hungary	58.95	Q
15	5	0	Daynara de Paula	Brazil	59.16	Q
16	6	0	Judit Ignacio Sorribes	Spain	59.18	QSO
16	6	7	Natsumi Hoshi	Japan	59.18	QSO
18	4	3	Jiao Liuyang	China	59.21
19	5	1	Kimberly Buys	Belgium	59.28
19	5	2	Svetlana Chimrova	Russia	59.28
21	6	8	Katarína Listopadová	Slovakia	59.34
22	6	1	Amit Ivry	Israel	59.45
23	4	1	Sophia Batchelor	New Zealand	59.46
24	3	4	Farida Osman	Egypt	59.85
25	4	0	Elmira Aigaliyeva	Kazakhstan	1:00.00
26	5	7	Louise Hansson	Sweden	1:00.11
27	4	2	Kristel Vourna	Greece	1:00.33
28	4	7	Emilia Pikkarainen	Finland	1:00.47
29	3	5	Jessica Maria Camposano Rios	Colombia	1:00.65
30	4	9	Marne Erasmus	South Africa	1:00.73
31	6	9	Park Jin-Young	South Korea	1:00.78
32	5	9	Sze Hang Yu	Hong Kong	1:01.01
33	3	6	İris Rosenberger	Turkey	1:01.35
34	3	3	Cheng Wan-jung	Chinese Taipei	1:01.61
35	3	2	Jasmine Alkhaldi	Philippines	1:01.71
36	3	1	Loreen Whitfield	American Samoa	1:02.50
37	2	7	Dorian McMenemy	Dominican Republic	1:03.53
38	2	4	Marie Laura Meza	Costa Rica	1:03.63
39	3	8	Monalisa Arieswati	Indonesia	1:03.93
40	2	6	Dalia Tórrez Zamora	Nicaragua	1:04.43
41	2	2	Poula Øssursdóttir Mohr	Faroe Islands	1:04.58
42	3	7	Barbara Caraballo	Puerto Rico	1:04.65
43	3	0	Caroline Puamau	Fiji	1:04.72
44	1	3	Pooja Alva	India	1:05.70
45	2	1	Ana Nobrega	Angola	1:06.55
46	2	3	Noel Borshi	Albania	1:06.77
47	2	8	María José Ribera Pinto	Bolivia	1:07.02
48	2	0	Emily Mueti	Kenya	1:07.37
49	2	5	Amboaratiana Domoinannava	Madagascar	1:09.30
50	3	9	Johanna Umurungi	Rwanda	1:10.41
51	2	9	Su Moe Theint San	Myanmar	1:10.62
52	1	4	Afsana Ismayilova	Azerbaijan	1:16.58
53	1	5	Charissa Panuve	Tonga	1:21.78

The swim-off was held at 12:09.^[7]

Rank	Lane	Name	Nationality	Time	Notes
1	4	Natsumi Hoshi	Japan	58.83	Q
2	5	Judit Ignacio Sorribes	Spain	58.87

The semifinals were held at 18:02.^[8]

Rank	Lane	Name	Nationality	Time	Notes
1	4	Sarah Sjöström	Sweden	57.10	Q
2	5	Alicia Coutts	Australia	57.49	Q
3	3	Noemie Thomas	Canada	57.99	Q
4	2	Claire Donahue	United States	58.44	Q
5	6	Brittany Elmslie	Australia	58.56
6	7	Lu Ying	China	58.67
7	1	Evelyn Verrasztó	Hungary	58.74
8	8	Natsumi Hoshi	Japan	59.42

Rank	Lane	Name	Nationality	Time	Notes
1	3	Jeanette Ottesen Gray	Denmark	57.19	Q
2	4	Dana Vollmer	United States	57.84	Q
3	5	Katerine Savard	Canada	58.00	Q
4	6	Ilaria Bianchi	Italy	58.29	Q
5	2	Jemma Lowe	Great Britain	58.46
6	7	Ingvild Snildal	Norway	58.84
7	1	Tao Li	Singapore	59.02
8	8	Daynara de Paula	Brazil	59.04

The final was held at 18:10.^[9]

Rank	Lane	Name	Nationality	Time	Notes
	4	Sarah Sjöström	Sweden	56.53
	3	Alicia Coutts	Australia	56.97
	6	Dana Vollmer	United States	57.24
4	5	Jeanette Ottesen Gray	Denmark	57.27
5	7	Katerine Savard	Canada	57.97
6	1	Ilaria Bianchi	Italy	58.11
7	2	Noemie Thomas	Canada	58.13
8	8	Claire Donahue	United States	58.30

• Barcelona 2013 Swimming Coverage