The women's 50 metre freestyle event at the 2005 World Aquatics Championships took place between 30 July – 31 July. The heats and semifinals were held on 30 July. The final was held on 31 July.

Records

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

	Name	Nationality	Time	Location	Date
World record	Inge de Bruijn Inge de Bruijn Inge de Bruijn is a Dutch former swimmer. She was a four-time Olympic champion and a former world record holder.-Biography:De Bruijn was born in Barendrecht, South Holland, and tried several sports before settling with swimming....	Netherlands Netherlands The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...	24.13	Sydney Sydney Sydney is the most populous city in Australia and the state capital of New South Wales. Sydney is located on Australia's south-east coast of the Tasman Sea. As of June 2010, the greater metropolitan area had an approximate population of 4.6 million people...	22 September 2000
Championship record	Inge de Bruijn Inge de Bruijn Inge de Bruijn is a Dutch former swimmer. She was a four-time Olympic champion and a former world record holder.-Biography:De Bruijn was born in Barendrecht, South Holland, and tried several sports before settling with swimming....	Netherlands Netherlands The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...	24.45	Fukuoka Fukuoka Fukuoka most often refers to the capital city of Fukuoka Prefecture.It can also refer to:-Locations:* Fukuoka, Gifu, a town in Gifu Prefecture, Japan* Fukuoka, Toyama, a town in Toyama Prefecture, Japan...	28 July 2001

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

Heats

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	11	4	Alice Mills Alice Mills Alice Mary Mills OAM is an Australian sprint freestyle, butterfly and individual medley swimmer who represented Australia at the 2004 Athens Olympics, winning two relay gold medals....		25.15
2	11	5	Therese Alshammar Therese Alshammar Malin Therese Alshammar is a Swedish swimmer who has won three Olympic medals, 25 World Championship medals, and 43 European Championship medals. Standing at 1.80 m, she is a specialist of short races in freestyle and butterfly...		25.19
3	9	7	Yingwen Zhu Yingwen Zhu Zhu Yingwen is a female Olympic medal-winning swimmer from the People's Republic of China, who competed at the 2004 Olympic Games in Athens.Along with Xu Yanwei, Yang Yu, and Pang Jiaying, she was part of China's 4 x 200 m freestyle relay team, which won the silver medal, beaten by the US relay...		25.22
4	9	5	Marleen Veldhuis Marleen Veldhuis Magdalena Johanna Maria Veldhuis is a professional swimmer from the Netherlands. She is world record holder in 4 events . Veldhuis has won 6 world championships gold medals and 20 European championships gold medals...		25.27
5	10	4	Lisbeth Lenton		25.29
5	10	5	Kara Lynn Joyce Kara Lynn Joyce Kara Lynn Joyce is an American swimmer and four-time Olympic silver medalist.-High school career:...		25.29
7	9	4	Malia Metella Malia Metella Malia Metella is a French Olympic freestyle swimmer from French Guiana. She swam for France at the 2004 and 2008 Olympics, winning a silver medal in 2004 in the women's 50 free....		25.42
8	10	3	Flavia Cazziolato		25.55
9	9	3	Svitlana Khakhlova		25.56
10	9	8	Jana Kolukanova		25.64
11	9	2	Hanna-Maria Seppala		25.65
12	11	3	Anna-Karin Kammerling Anna-Karin Kammerling Anna-Karin Kammerling is a world-record breaking Swedish swimmer, who was born in Malmö, Sweden. Currently she resides in Sundsvall and trains with the Sundsvalls Swim Club under coach Hans Bergquist....		25.68
13	10	2	Amanda Weir Amanda Weir Amanda Weir is an American swimmer.At the 2004 Summer Olympics, Weir swam the third leg in the US team for the Women's 4×100 m freestyle relay. Leading after her leg of the relay, the US team finished second to the Australians, setting an American Record with their finishing time...		25.69
14	11	2	Cristina Chiuso Cristina Chiuso Cristina Chiuso is a former Italian swimmer.Italian record holder of 50 freestyle and 4x100 freestyle relay in short and long course, was captain of Italian women swimming team....		25.71
15	10	7	Celine Couderc Céline Couderc Céline Couderc is a female freestyle swimmer from France, who twice competed for her native country at the Summer Olympics: in 2004 and 2008.- References :*...		25.83
16	11	6	Nery-Mantey Niangkouara		25.91
17	9	6	Chantal Groot Chantal Groot Chantal Groot is a butterfly and freestyle swimmer from the Netherlands, who has represented her country in many international championships since 1999...		25.94
18	11	8	Nichola Chellingworth		25.95
19	11	7	Martina Moravcova Martina Moravcová Martina Moravcová is a medley, butterfly and freestyle swimmer from Slovakia. She made her international swimming debut in 1991 for Czechoslovakia, and has gone on to compete in five consecutive Summer Olympics...		26.19
20	10	1	Triin Aljand Triin Aljand Triin Aljand is an Estonian swimmer. She was a member of the Estonian national team that competed in the 2004 Summer Olympics and multiple FINA World Aquatics Championships. She competed again for the team in the 2008 Summer Olympics.She currently attends Texas A&M University, where she swims for...		26.23
21	8	7	Vanessa Garcia Vanessa García Vanessa García Vega is an Olympic and National Record holding freestyle swimmer from Puerto Rico. She swam for her native country at the 2004 and 2008 Olympics....		26.24
22	8	5	Binan Wu		26.26
23	8	6	Kaori Yamada		26.39
24	7	4	Ragnheidur Ragnarsdottir		26.42
25	8	1	Petra Klosova		26.47
26	11	1	Maryia Hanchar		26.48
27	7	3	Ionela Cozma		26.49
27	8	8	Atsumi Yamada		26.49
29	10	8	Jeanette Ottesen Jeanette Ottesen Jeanette Ottesen is a Danish swimmer who participated at the 2004 and 2008 Summer Olympics in swimming. She currently holds the Danish record in 100 m freestyle...		26.51
30	7	5	Hannah Wilson Hannah Wilson Hannah Wilson is a Hong Kong amateur swimmer. She is a two-time Olympic swimmer for Hong Kong, having swam at the 2004 Summer Olympic Games in Athens and the 2008 Summer Olympic Games in the Water Cube in Beijing. She has won two career Universiade gold medals...		26.53
31	8	2	Alison Fitch Alison Fitch Alison Rachel Fitch is a New Zealand swimming competitor. She won a bronze medal with Lauren Boyle, Helen Norfolk and Melissa Ingram in the 4 x 200m freestyle relay at the 2006 Commonwealth Games....		26.60
32	4	6	Heather Brand		26.65
33	7	1	Keo Ra Lee		26.68
34	7	8	Jennifer Carroll Jennifer Carroll Jennifer Carroll is a Trinidadian-born American politician who is the 18th and current Lieutenant Governor of the U.S. state of Florida. The first African American and the first woman elected to the position, she assumed the office on January 4, 2011...		26.69
35	8	3	Pin-Chieh Nieh		26.72
36	6	6	Hang Yu Sze		26.74
37	7	6	Joscelin Yeo Joscelin Yeo Joscelin Yeo Wei Ling is a Nominated Member of Parliament and a former competitive swimmer from Singapore. Yeo won 40 gold medals at the Southeast Asian Games, as well as represented the Republic in the Asian Games, Commonwealth Games and Summer Olympics...		27.00
38	7	7	Shikha Tandon Shikha Tandon Shikha Tandon is a champion swimmer from Bangalore, India. Tandon has won 146 national medals, and 36 medals in international competitions, including five gold medals.- Career :...		27.04
39	6	3	Chin-Kuei Yang		27.08
40	6	4	Shu Yong Ho		27.16
41	7	2	Annette Hansen		27.23
42	6	7	Yamile Bahamonde		27.28
43	6	2	Irina Shlemova		27.43
44	6	8	Nikia Deveaux Nikia Deveaux Nikia Hillarie Deveaux is a female freestyle swimmer from the Bahamas. She swam for the Bahamas at the 2004 Summer Olympics. At the 2007 Pan American Games she was part of the bronze medal winning women's 4x100 m medley relay alongside Alicia Lightbourne, Arianna Vanderpool and Alana...		27.49
45	5	5	Carolina Colorado		27.70
46	5	3	Anna Liza Mopio Jane		27.72
47	6	1	Sarah Chahed		27.73
48	4	3	Alexis Jordan		27.77
49	5	7	Melissa Vincent		27.80
50	5	4	Gisela Morales		27.89
50	5	8	Kiera Aitken Kiera Aitken Kiera Aitken is an Olympic and national-record holding swimmer from Bermuda. She is one of Bermuda's most successful swimmers, and has twice been named Bermuda's Female Athlete of the Year...		27.89
52	5	6	Samantha Fajardo		27.90
53	4	8	Carolina Cerqueda		28.13
54	5	2	Ashley Aitken		28.19
55	4	1	Jasna Ovsenik		28.23
56	4	7	Jakie Wellman		28.27
56	5	1	Khadija Ciss		28.27
58	3	4	Cheok Mei Ma		28.32
59	4	5	Sharon Fajardo		28.59
60	2	4	Mbolatiana Ramanisa		28.99
61	4	2	Man Wai Fong		29.06
62	3	7	Katerine Moreno Katerine Moreno Katerine Moreno de Quintanilla is a retired female swimmer from Bolivia. She competed in four Summer Olympics for her native South American country, starting in 1988.-References:*...		29.08
63	3	6	Jonay Briedenhann		29.38
64	4	4	Mireille Hakimeh		29.42
65	2	5	Rubab Raza Rubab Raza Rubab Raza is an Olympic and national-record-holding swimmer from Pakistan. She became Pakistan's first female Olympic swimmer when she swam at the 2004 Olympics....		29.57
66	3	1	Jessica Vieira		29.61
67	3	2	Binta Zahra Diop		30.07
68	3	8	Heba Bashouti		30.34
69	2	1	Aya Nakitanda		30.51
70	2	6	Sussie Pineda		30.54
71	2	7	Aminath Rouya		30.62
72	2	3	Kiran Khan Kiran Khan Kiran Khan . Kiran Khan is an Olympian Swimmer and national record-holder from Pakistan, and is one of the first international female swimmers for the country. She started her career in 2001. Kiran Khan first came to national attention at the 28th Pakistan National Games in 2001...		31.18
73	2	2	Sameera Al Bitar		31.19
74	2	8	Christal Clashing		31.45
75	1	5	Oshin Bharati		34.14
76	1	6	Raksmey Hem		35.29
–	1	2	Ayele Sika Ornella Pamela Dossavi		DNS
–	1	3	Yelena Rojkova		DNS
–	1	4	Anifath F.M. Okanla		DNS
–	1	7	Lasm Quissoh Genevieve Meledje		DNS
–	3	3	Eliane Droubry Dohi		DNS
–	3	5	Lenient Obia		DNS
–	6	5	Jiratida Phinyosophon		DNS
–	8	4	Fabienne Nadarajah		DNS
–	9	1	Daniela Gotz Daniela Götz Daniela Götz is a German swimmer.Götz represented Germany in the 2004 and 2008 Summer Olympics. She won bronze medal at the 2004 Olympics in 4×100 metre medley relay. An the 2008 Olympics she cometed in 4×100 metre freestyle relay....		DNS
–	10	6	Rebeca Gusmão Rebeca Gusmão Rebeca Gusmão was a freestyle swimmer from Brazil. She won the bronze medal in the women's 4×100 m freestyle relay at the Pan American Games in Santo Domingo, Dominican Republic...		DNS

Semifinals

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	1	5	Marleen Veldhuis Marleen Veldhuis Magdalena Johanna Maria Veldhuis is a professional swimmer from the Netherlands. She is world record holder in 4 events . Veldhuis has won 6 world championships gold medals and 20 European championships gold medals...		24.92
2	1	4	Therese Alshammar Therese Alshammar Malin Therese Alshammar is a Swedish swimmer who has won three Olympic medals, 25 World Championship medals, and 43 European Championship medals. Standing at 1.80 m, she is a specialist of short races in freestyle and butterfly...		24.99
3	2	3	Lisbeth Lenton		25.05
4	2	4	Alice Mills Alice Mills Alice Mary Mills OAM is an Australian sprint freestyle, butterfly and individual medley swimmer who represented Australia at the 2004 Athens Olympics, winning two relay gold medals....		25.10
4	2	5	Yingwen Zhu Yingwen Zhu Zhu Yingwen is a female Olympic medal-winning swimmer from the People's Republic of China, who competed at the 2004 Olympic Games in Athens.Along with Xu Yanwei, Yang Yu, and Pang Jiaying, she was part of China's 4 x 200 m freestyle relay team, which won the silver medal, beaten by the US relay...		25.10
6	1	3	Kara Lynn Joyce Kara Lynn Joyce Kara Lynn Joyce is an American swimmer and four-time Olympic silver medalist.-High school career:...		25.14
6	2	2	Svitlana Khakhlova		25.14
8	1	2	Jana Kolukanova		25.28
9	2	6	Malia Metella Malia Metella Malia Metella is a French Olympic freestyle swimmer from French Guiana. She swam for France at the 2004 and 2008 Olympics, winning a silver medal in 2004 in the women's 50 free....		25.35
10	2	1	Amanda Weir Amanda Weir Amanda Weir is an American swimmer.At the 2004 Summer Olympics, Weir swam the third leg in the US team for the Women's 4×100 m freestyle relay. Leading after her leg of the relay, the US team finished second to the Australians, setting an American Record with their finishing time...		25.46
11	1	1	Cristina Chiuso Cristina Chiuso Cristina Chiuso is a former Italian swimmer.Italian record holder of 50 freestyle and 4x100 freestyle relay in short and long course, was captain of Italian women swimming team....		25.51
12	1	6	Flavia Cazziolato		25.53
13	2	8	Celine Couderc Céline Couderc Céline Couderc is a female freestyle swimmer from France, who twice competed for her native country at the Summer Olympics: in 2004 and 2008.- References :*...		25.64
14	2	7	Hanna-Maria Seppala		25.70
15	1	7	Anna-Karin Kammerling Anna-Karin Kammerling Anna-Karin Kammerling is a world-record breaking Swedish swimmer, who was born in Malmö, Sweden. Currently she resides in Sundsvall and trains with the Sundsvalls Swim Club under coach Hans Bergquist....		25.75
16	1	8	Nery-Mantey Niangkouara		25.78

Final

Rank	Name	Nationality	Time	Notes
	Libby Lenton Libby Lenton Lisbeth "Libby" Constance Trickett OAM is a world record holding and Olympic gold medalist swimmer from Australia. She was a gold medallist at both the 2004 Summer Olympics and the 2008 Summer Olympics. She is the world record holder in the short-course 100 metres freestyle...		24.59
	Marleen Veldhuis Marleen Veldhuis Magdalena Johanna Maria Veldhuis is a professional swimmer from the Netherlands. She is world record holder in 4 events . Veldhuis has won 6 world championships gold medals and 20 European championships gold medals...		24.83
	Zhu Yingwen		24.91
4	Therese Alshammar Therese Alshammar Malin Therese Alshammar is a Swedish swimmer who has won three Olympic medals, 25 World Championship medals, and 43 European Championship medals. Standing at 1.80 m, she is a specialist of short races in freestyle and butterfly...		24.96
5	Alice Mills Alice Mills Alice Mary Mills OAM is an Australian sprint freestyle, butterfly and individual medley swimmer who represented Australia at the 2004 Athens Olympics, winning two relay gold medals....		25.02
6	Svitlana Khakhlova		25.17
7	Kara Lynn Joyce Kara Lynn Joyce Kara Lynn Joyce is an American swimmer and four-time Olympic silver medalist.-High school career:...		25.36
8	Jana Kolukanova		25.56