The women's 50 metre breaststroke competition of the swimming events

Swimming at the 2011 World Aquatics Championships

The Swimming portion of the 2011 FINA World Championships was held July 24–31 at the Shanghai Oriental Sports Center in Shanghai, China. Swimming is one of five aquatic disciplines at the championships.-Qualifying criteria:...

 at the 2011 World Aquatics Championships

2011 World Aquatics Championships

The 14th FINA World Championships were held at July 16–31, 2011 in Shanghai, China at the Shanghai Oriental Sports Center. The 2011 World Championships featured five aquatics disciplines: swimming, water polo, diving, open water, and synchronised swimming...

 was held on July 30 with the heats and the semifinals and July 31 with the final.

Records

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

	Name	Nation	Time	Location	Date
World record	Jessica Hardy Jessica Hardy Jessica Adele Hardy is an American swimmer who specializes in the breaststroke and freestyle stroke. She currently holds the world record in the 50 m breaststroke and the 100 m breaststroke ....		29.80	Federal Way	August 7, 2009
Championship record	Yuliya Yefimova		30.09	Rome Rome Rome is the capital of Italy and the country's largest and most populated city and comune, with over 2.7 million residents in . The city is located in the central-western portion of the Italian Peninsula, on the Tiber River within the Lazio region of Italy.Rome's history spans two and a half...	August 2, 2009

No new world or competition records were set during this competition.

Heats

36 swimmers participated in 5 heats.

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	5	4	Jessica Hardy Jessica Hardy Jessica Adele Hardy is an American swimmer who specializes in the breaststroke and freestyle stroke. She currently holds the world record in the 50 m breaststroke and the 100 m breaststroke ....		30.20	Q
2	3	4	Yuliya Yefimova		30.72	Q
2	4	5	Rebecca Soni Rebecca Soni Rebecca Soni is an American breaststroke swimmer and three-time Olympic medalist. She currently holds the world record in the 100 and 200 m breaststroke and is a former world-record holder in the 100 and 200 m breaststroke .Soni has won a total of nineteen medals in major...		30.72	Q
4	5	3	Jennie Johansson		30.89	Q, NR
5	5	5	Leisel Jones Leisel Jones Leisel Marie Jones OAM is an Australian Olympic gold medalist swimmer. A participant in the 2000 Summer Olympics – at just 15 years old – and 2004 Summer Olympics, she was part of gold medal winning Australian team in the women's 4 × 100 metre medley relay at the Athens Games in 2004 and a gold...		30.93	Q
6	4	4	Leiston Pickett Leiston Pickett Leiston Jane Pickett is an Australian Commonwealth Games gold medalist swimmer. A participant in the 2010 Commonwealth Games, Pickett won the 50 m breaststroke ahead of fellow Australian and personal hero Leisel Jones.- External links :* - References :...		31.07	Q
7	4	3	Rebecca Ejdervik		31.19	Q
8	3	3	Kate Haywood Kate Haywood Kate Emma Haywood is an English swimmer. She was the youngest swimmer to represent England in the Commonwealth Games when she qualified for the 2002 Commonwealth Games in Manchester, where she won a bronze medal in the 4×100 m medley relay...		31.30	Q
9	3	6	Liu Xiaoyu		31.32	Q
10	4	6	Moniek Nijhuis Moniek Nijhuis Moniek Nijhuis is a Dutch swimmer who specializes in breaststroke. After she had been a professional swimmer, under the guidance of Martin Truijens, for several years she took a break from professional swimming after she had missed out for the 2008 Summer Olympics. She wanted to concentrate more...		31.40	Q
10	5	6	Zhao Jin		31.40	Q
12	5	7	Petra Chocova		31.41	Q
13	5	8	Sycerika McMahon		31.49	Q, NR
14	4	7	Rikke Pedersen		31.65	Q
15	3	8	Suzaan van Biljon Suzaan van Biljon Suzaan van Biljon is an Olympic-swimmer from South Africa. She swam for South Africa at the 2008 Olympics, and as of June 2009 holds both African and South African records.-External links:*...		31.96	Q
16	3	1	Jane Trepp		32.00	Q
17	5	1	Erla Haraldsdottir		32.10
18	3	7	Stephanie Spahn		32.14
19	2	5	Danielle Beaubrun Danielle Beaubrun Danielle Beaubrun is an Olympic and National Record holding swimmer from the Caribbean island nation of Saint Lucia...		32.27	NR
20	4	8	Loh Christina		32.29
21	3	2	Kim Dal-Eun		32.43
22	4	1	Anastasia Christoforou		32.69
23	2	6	Ivana Ninkovic		32.86
24	2	3	Lei On Kei		32.90
25	2	4	Patricia Casellas		33.62
26	2	2	Jamila Lunkuse		36.65
27	2	1	Mariana Henriques		37.23
28	2	7	Oksana Hatamkhanova Oksana Hatamkhanova Oksana Hatamkhanova is an Olympic swimmer from Azerbaijan. She swam for Azerbaijan at in the 2008 Olympics.In Beijing, she finished 46th in the 100m breaststroke, failing to advance on to the semifinals....		37.94
29	1	4	Guedia Mouafo		40.15
30	1	5	Angelika Sita Ouedraogo		40.93
31	2	8	Dede Camara		44.44
32	1	6	Vilayphone Vongphachanh Vilayphone Vongphachanh Vilayphone Vongphachanh is a female Laotian Olympic freestyle swimmer.As a member of the Laos team she competed at the age of 15 in the 2004 Summer Olympics in the Women's 50m Freestyle...		46.37
33	1	2	Angele Gbenou		46.90
34	1	7	Nafissa Adamou		51.24
–	3	5	Dorothea Brandt			DNS
–	4	2	Jillian Tyler			DNS
–	5	2	Satomi Suzuki			DNS
–	1	3	Ingrid Outtara			DSQ

Semifinal 1

Rank	Lane	Name	Nationality	Time	Notes
1	4	Yuliya Yefimova		30.81	Q
2	3	Leiston Pickett Leiston Pickett Leiston Jane Pickett is an Australian Commonwealth Games gold medalist swimmer. A participant in the 2010 Commonwealth Games, Pickett won the 50 m breaststroke ahead of fellow Australian and personal hero Leisel Jones.- External links :* - References :...		30.96	Q
3	5	Jennie Johansson		31.16	Q
4	2	Moniek Nijhuis Moniek Nijhuis Moniek Nijhuis is a Dutch swimmer who specializes in breaststroke. After she had been a professional swimmer, under the guidance of Martin Truijens, for several years she took a break from professional swimming after she had missed out for the 2008 Summer Olympics. She wanted to concentrate more...		31.40	Q
5	6	Kate Haywood Kate Haywood Kate Emma Haywood is an English swimmer. She was the youngest swimmer to represent England in the Commonwealth Games when she qualified for the 2002 Commonwealth Games in Manchester, where she won a bronze medal in the 4×100 m medley relay...		31.43
6	7	Petra Chocova		31.75
7	1	Rikke Pedersen		32.07
8	8	Jane Trepp		32.33

Semifinal 2

Rank	Lane	Name	Nationality	Time	Notes
1	4	Jessica Hardy Jessica Hardy Jessica Adele Hardy is an American swimmer who specializes in the breaststroke and freestyle stroke. She currently holds the world record in the 50 m breaststroke and the 100 m breaststroke ....		30.40	Q
2	5	Rebecca Soni Rebecca Soni Rebecca Soni is an American breaststroke swimmer and three-time Olympic medalist. She currently holds the world record in the 100 and 200 m breaststroke and is a former world-record holder in the 100 and 200 m breaststroke .Soni has won a total of nineteen medals in major...		30.74	Q
3	3	Leisel Jones Leisel Jones Leisel Marie Jones OAM is an Australian Olympic gold medalist swimmer. A participant in the 2000 Summer Olympics – at just 15 years old – and 2004 Summer Olympics, she was part of gold medal winning Australian team in the women's 4 × 100 metre medley relay at the Athens Games in 2004 and a gold...		31.14	Q
4	6	Rebecca Ejdervik		31.41	Q
5	7	Zhao Jin		31.46
6	2	Liu Xiaoyu		31.50
7	1	Sycerika McMahon		31.83
8	8	Suzaan van Biljon Suzaan van Biljon Suzaan van Biljon is an Olympic-swimmer from South Africa. She swam for South Africa at the 2008 Olympics, and as of June 2009 holds both African and South African records.-External links:*...		31.97

Final

The final was held at 18:02.

Rank	Lane	Name	Nationality	Time	Notes
	4	Jessica Hardy Jessica Hardy Jessica Adele Hardy is an American swimmer who specializes in the breaststroke and freestyle stroke. She currently holds the world record in the 50 m breaststroke and the 100 m breaststroke ....		30.19
	3	Yuliya Yefimova		30.49
	5	Rebecca Soni Rebecca Soni Rebecca Soni is an American breaststroke swimmer and three-time Olympic medalist. She currently holds the world record in the 100 and 200 m breaststroke and is a former world-record holder in the 100 and 200 m breaststroke .Soni has won a total of nineteen medals in major...		30.58
4	6	Leiston Pickett Leiston Pickett Leiston Jane Pickett is an Australian Commonwealth Games gold medalist swimmer. A participant in the 2010 Commonwealth Games, Pickett won the 50 m breaststroke ahead of fellow Australian and personal hero Leisel Jones.- External links :* - References :...		30.74
5	7	Jennie Johansson		30.89	=NR
6	2	Leisel Jones Leisel Jones Leisel Marie Jones OAM is an Australian Olympic gold medalist swimmer. A participant in the 2000 Summer Olympics – at just 15 years old – and 2004 Summer Olympics, she was part of gold medal winning Australian team in the women's 4 × 100 metre medley relay at the Athens Games in 2004 and a gold...		31.01
7	1	Moniek Nijhuis Moniek Nijhuis Moniek Nijhuis is a Dutch swimmer who specializes in breaststroke. After she had been a professional swimmer, under the guidance of Martin Truijens, for several years she took a break from professional swimming after she had missed out for the 2008 Summer Olympics. She wanted to concentrate more...		31.33
8	8	Rebecca Ejdervik		31.45

External links

• 2011 World Aquatics Championships: Women's 50 metre breaststroke start list, from OmegaTiming.com; retrieved 2011-07-23.