Swimming at the 2011 World Aquatics Championships – Women's 100 metre butterfly

Men's 200 metre freestyle at the 2011 World Aquatics Championships
Dates	24 July 2011 (heats and semifinals) 25 July 2011 (final)
Competitors	47 from 40 nations
Winning time	56.87
Medalists
Dana Vollmer    United States   Alicia Coutts    Australia   Lu Ying    China

The women's 100 metre butterfly competition of the swimming events at the 2011 World Aquatics Championships took place on 24 and 25 July. The heats and semifinals took place on 24 July and the final was held on 25 July.

Records

Prior to the competition, the existing world and championship records were as follows.

	Name	Nation	Time	Location	Date
World record Championship record	Sarah Sjöström	Sweden	56.06	Rome	27 July 2009

Results

Heats

47 swimmers participated in 6 heats, qualified swimmers are listed:^[1]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	5	5	Dana Vollmer	United States	!!!!!!!56.97 56.97	Q
2	6	4	Alicia Coutts	Australia	!!!!!!!57.49 57.49	Q
3	4	5	Jemma Lowe	Great Britain	!!!!!!!57.81 57.81	Q
4	4	2	Jessicah Schipper	Australia	!!!!!!!57.86 57.86	Q
5	6	2	Lu Ying	China	!!!!!!!57.93 57.93	Q
6	4	4	Sarah Sjöström	Sweden	!!!!!!!58.10 58.10	Q
7	4	3	Ellen Gandy	Great Britain	!!!!!!!58.32 58.32	Q
7	5	6	Jeanette Ottesen	Denmark	!!!!!!!58.32 58.32	Q
9	6	5	Liu Zige	China	!!!!!!!58.44 58.44	Q
10	5	4	Christine Magnuson	United States	!!!!!!!58.49 58.49	Q
11	5	3	Inge Dekker	Netherlands	!!!!!!!58.53 58.53	Q
12	4	6	Katerine Savard	Canada	!!!!!!!58.59 58.59	Q
13	6	6	Yuka Kato	Japan	!!!!!!!58.70 58.70	Q
14	6	3	Therese Alshammar	Sweden	!!!!!!!58.71 58.71	Q
15	5	2	Tao Li	Singapore	!!!!!!!58.89 58.89	Q
15	6	8	Irina Bespalova	Russia	!!!!!!!58.89 58.89	Q
17	4	7	Vanessa Mohr	South Africa	!!!!!!!58.96 58.96
17	4	8	Sina Sutter	Germany	!!!!!!!58.96 58.96
19	2	3	Otylia Jędrzejczak	Poland	!!!!!!!59.00 59.00
20	5	8	Audrey Lacroix	Canada	!!!!!!!59.02 59.02
21	5	1	Daynara de Paula	Brazil	!!!!!!!59.24 59.24
22	6	7	Kristel Vourna	Greece	!!!!!!!59.27 59.27
23	3	6	Judit Ignacio Sorribes	Spain	!!!!!!!59.52 59.52
24	5	7	Amit Ivry	Israel	!!!!!!!59.56 59.56
25	3	4	Natsumi Hoshi	Japan	!!!!!!!59.63 59.63
26	3	2	Hannah Wilson	Hong Kong	!!!!!!!59.78 59.78
26	3	8	Triin Aljand	Estonia	!!!!!!!59.78 59.78
28	2	5	Ingvild Snildal	Norway	!!!!!!!59.80 59.80
29	2	4	Birgit Koschischek	Austria	!!!!!!!59.84 59.84
30	2	6	Katarina Listopadova	Slovakia	!!!!!!!59.87 59.87
31	3	1	Kimberly Buys	Belgium	!!!!!!!59.88 59.88
32	6	1	Sara Oliveira	Portugal	!!!!!!!59.93 59.93
33	3	5	Sara Isaković	Slovenia	!!!!!1:00.23 1:00.23
34	3	3	Ilaria Bianchi	Italy	!!!!!1:00.36 1:00.36
35	2	2	Rita Medrano	Mexico	!!!!!1:00.55 1:00.55
36	4	1	Eszter Dara	Hungary	!!!!!1:00.69 1:00.69
37	2	7	Se-Hyeon An	South Korea	!!!!!1:00.76 1:00.76
38	2	1	Iris Rosenberger	Turkey	!!!!!1:00.99 1:00.99
39	3	7	Sophia Batchelor	New Zealand	!!!!!1:01.92 1:01.92
40	1	4	Jasmine Alkhaldi	Philippines	!!!!!1:03.69 1:03.69
41	1	3	Loreen Whitfield	American Samoa	!!!!!1:04.82 1:04.82
42	1	5	Marie Laura Meza	Costa Rica	!!!!!1:05.05 1:05.05
43	1	6	Noel Borshi	Albania	!!!!!1:05.71 1:05.71
43	1	7	Dalia Torrez	Nicaragua	!!!!!1:05.71 1:05.71
45	1	1	Simona Muccioli	San Marino	!!!!!1:06.45 1:06.45
46	1	2	Dorian McMenemy	Dominican Republic	!!!!!1:06.58 1:06.58
47	1	8	Debra Daniel	F.S. Micronesia	!!!!!1:14.51 1:14.51

Reserve place swimoff

As two swimmers had the same time in the heats at place 17 they had to participate in a swimoff to determine the first semifinal reserve swimmer.^[2]

Rank	Lane	Name	Nationality	Time	Notes
1	4	Vanessa Mohr	South Africa	58.66
2	5	Sina Sutter	Germany	59.47

Semifinals

The semifinals were held on 24 July at 18:00.^[3]

Semifinal 1

Rank	Lane	Name	Nationality	Time	Notes
1	3	Sarah Sjöström	Sweden	57.29	Q
2	4	Alicia Coutts	Australia	57.41	Q
3	5	Jessicah Schipper	Australia	57.95	Q
4	7	Katerine Savard	Canada	58.07
5	1	Therese Alshammar	Sweden	58.20
6	6	Jeanette Ottesen	Denmark	58.24
7	2	Christine Magnuson	United States	58.59
8	8	Irina Bespalova	Russia	59.02

Semifinal 2

Rank	Lane	Name	Nationality	Time	Notes
1	4	Dana Vollmer	United States	56.47	Q, AM
2	3	Lu Ying	China	57.18	Q
3	5	Jemma Lowe	Great Britain	57.57	Q
4	2	Liu Zige	China	57.85	Q
5	6	Ellen Gandy	Great Britain	57.97	Q
6	7	Inge Dekker	Netherlands	58.70
7	1	Yuka Kato	Japan	58.71
8	8	Tao Li	Singapore	58.78

Final

The final was held at 18:02.^[4]

Rank	Lane	Name	Nationality	Time	Notes
01 !	4	Dana Vollmer	United States	56.87
02 !	6	Alicia Coutts	Australia	56.94
03 !	5	Lu Ying	China	57.06
4	3	Sarah Sjöström	Sweden	57.38
5	8	Ellen Gandy	Great Britain	57.55
6	7	Liu Zige	China	57.57
7	1	Jessicah Schipper	Australia	57.95
8	2	Jemma Lowe	Great Britain	57.96

References

External links

• 2011 World Aquatics Championships: Women's 100 metre butterfly entry list, from OmegaTiming.com; retrieved 2011-07-23.