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

Event:	Women's 100 metre butterfly
Competition:	2011 World Aquatics Championships
Dates:	24 July 2011 (heats and semifinals) 25 July 2011 (final)
Competitors:	47
Nations:	40
Win Value:	56.87
Gold:	Dana Vollmer
Goldnoc:	USA
Silver:	Alicia Coutts
Silvernoc:	AUS
Bronze:	Lu Ying
Bronzenoc:	CHN
Prev:	2009
Next:	2013

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.

Results

Heats

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

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	5	5				Q
2	6	4				Q
3	4	5				Q
4	4	2				Q
5	6	2				Q
6	4	4				Q
7	4	3				Q
7	5	6				Q
9	6	5				Q
10	5	4				Q
11	5	3				Q
12	4	6				Q
13	6	6				Q
14	6	3				Q
15	5	2				Q
15	6	8				Q
17	4	7
17	4	8
19	2	3
20	5	8
21	5	1
22	6	7
23	3	6
24	5	7
25	3	4
26	3	2
26	3	8
28	2	5
29	2	4
30	2	6
31	3	1
32	6	1
33	3	5
34	3	3
35	2	2
36	4	1
37	2	7
38	2	1
39	3	7
40	1	4
41	1	3
42	1	5
43	1	6
43	1	7
45	1	1
46	1	2
47	1	8

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			58.66
2	5			59.47

Semifinals

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

Semifinal 1

Rank	Lane	Name	Nationality	Time	Notes
1	3			57.29	Q
2	4			57.41	Q
3	5			57.95	Q
4	7			58.07
5	1			58.20
6	6			58.24
7	2			58.59
8	8			59.02

Semifinal 2

Rank	Lane	Name	Nationality	Time	Notes
1	4			56.47	Q, AM
2	3			57.18	Q
3	5			57.57	Q
4	2			57.85	Q
5	6			57.97	Q
6	7			58.70
7	1			58.71
8	8			58.78

Final

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

Rank	Lane	Name	Nationality	Time	Notes
	4			56.87
	6			56.94
	5			57.06
4	3			57.38
5	8			57.55
6	7			57.57
7	1			57.95
8	2			57.96

External links

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

Notes and References

1. Web site: 2011 World Aquatics Championships – Women's 100 metre butterfly (heats). Omega Timing. 2011-07-24. dead. https://web.archive.org/web/20120331094232/http://omegatiming.com/swimming/racearchives/2011/shanghai2011/C74A_Results%20(Summary%20-%20Individual)_1_Women_100_Fly.pdf. 2012-03-31.
2. Web site: 2011 World Aquatics Championships – Women's 100 metre butterfly (swimoff). Omega Timing. 2011-07-25.
3. Web site: 2011 World Aquatics Championships – Women's 100 metre butterfly (semifinals). Omega Timing. 2011-07-24.
4. Web site: 2011 World Aquatics Championships – Women's 100 m butterfly (final). Omega Timing. 2011-07-25.