The Women's 50m Backstroke at the 2007 World Aquatics Championships took place on 28 March (prelims & semifinals) and the evening of 29 March (finals) at the Rod Laver Arena in Melbourne, Australia. 95 swimmers were entered in the event, of which, 93 swam.

The USA's Natalie Coughlin established a new Championship Record for the distance (28.30) the day prior to the event, with her split from the women's 100m Back final. The record for the distance had been 28.31 by China's Gao Chang from the 2005 Worlds.

Existing records at the start of the event started were: World Record (WR): 28.19, Janine Pietsch (Germany), 25 May 2005 in Berlin, Germany. Championship Record (CR): 28.30, Natalie Coughlin (USA), Melbourne 2007 (27 March 2007)

Results

Finals Place Name Nationality Time Note 1 Leila Vaziri 28.16 2 Aleksandra Gerasimenya 28.46 3 Tayliah Zimmer 28.50 4 Zhao Jing 28.54 5 Reiko Nakamura 28.64 6 Gao Chang 28.70 7 Mai Nakamura 28.86 8 Janine Pietsch 28.87

Semifinals Rank Swimmer Nation Time Note 1 Leila Vaziri 28.16 Q 2 Aleksandra Gerasimenya 28.38 Q 3 Reiko Nakamura 28.58 Q 4 Mai Nakamura 28.59 Q 5 Janine Pietsch 28.72 Q 6 Zhao Jing 28.74 Q 7 Tayliah Zimmer 28.78 Q 8 Gao Chang 28.81 Q 9 Anastasia Zuyeva 28.85 10 Iryna Amshennikova 28.91 11 Margaret Hoelzer 28.94 12 Antje Buschschulte 29.00 13 Fabíola Molina 29.02 14 Emily Seebohm 29.04 15 Hannah McLean 29.22 16 Elena Gemo 29.94

Preliminaries Rank Swimmer Nation Time Note 1 Leila Vaziri 28.25 Q, CR 2 Aleksandra Gerasimenya 28.71 Q 3 Laure Manaudou 28.84 Q 4 Janine Pietsch 28.85 Q Reiko Nakamura Q 6 Mai Nakamura 28.89 Q 7 Margaret Hoelzer 28.93 Q Emily Seebohm Q 9 ZHOA Jing 29.00 Q Tayliah Zimmer Q 11 Iryna Amshennikova 29.01 Q 12 GAO Chang 29.02 Q 13 Fabíola Molina 29.04 Q 14 Anastasia Zuyeva 29.05 Q 15 Hannah McLean 29.14 Q 16 Antje Buschschulte 29.22 Q 17 Elena Gemo 29.25 18 Kateryna Zubkova 29.37 19 Louise Ørnstedt 29.38 20 Hiu Wai Sherry Tsai 29.39 21 Nikolett Szepesi 29.46 Mercedes Peris 23 Sanja Jovanović 29.52 24 Fabienne Nadarajah 29.54 25 Hinkelien Schreuder 29.61 26 TAO Li 29.63 27 Karin Prinsloo 29.66 28 Liz Coster 29.73 29 Kelly Stefanyshyn 29.77 30 Anna Gostomelsky 29.84 31 Esther Baron 29.88 32 Tine Bossuyt 30.00 33 Evelyn Verrasztó 30.03 34 Triin Aljand 30.04 35 Nam Eun Lee 30.19 36 Iwona Lefanowicz 30.33 37 Jorina Aerents 30.38 38 Yoo Jin Jung 30.39 39 Therese Svendsen 30.44 40 Chanelle Van Wyk 30.52 41 Lynette Ng 30.53 42 Kiera Aitken 30.61 43 Carolina Colorado Henao 30.67 44 Carin Moller 30.73 45 Caroline Pickering Puamau 31.07 46 Natalie Ferdinand 31.13 47 Massie Milagros Carrillo 31.14 48 Nazli Ege Calisal 31.40 49 Melanie Nocher 31.52 50 Felicia Leksono 31.68 51 LIN Man Hsu 31.69 52 Lourdes Villaseñor 31.94 53 Wenika Kaewchaiwong 32.08 54 Khadija Ciss 32.14 55 Layla Alghul 32.18 56 Cheok Mei Ma 32.22 Obia Inyengivyikabo 58 Christie Bodden 32.29 59 Weng Kuan 32.35 60 Hsu Jung He 32.43 61 Sook Fun Chai 32.46 62 Kiran Khan 32.61 63 Jonay Briedenhann 32.70 64 Olga Gnedovskaya 32.76 65 Jessica Teixeira Vieira 32.93 Slavica Pavic 67 Siona Huxley 33.10 68 Thi Cuc Hoang 33.18 69 Maria Virginia Baez Franco 33.58 70 Parita Parekh 33.75 71 Lacy Palmer-Martin 33.94 72 Marie Laura Meza Peraza 33.98 73 Rachel Fortunato 34.12 74 April Chang 34.17 75 Ekaterina Mamatkulova 34.30 76 Talisa Pace 34.56 77 Mercedes Milner 34.80 78 Dalia Massiel Torrez Zamora 34.85 79 Debra Daniel FS Micronesia 34.98 80 Anouchka Diane Etiennette 35.18 81 Mirjana Stojanova 35.24 82 Uche Monu 35.33 83 Judith Meauri 35.39 84 Maxine Pardo 35.73 85 Patricia Wellman 36.07 86 Telmen Batjargal 36.67 87 Amber Sikosang Yobech 36.97 88 Natasha Ratter 37.42 89 Kelly How Tam Fat 37.52 90 Sainzaya Khurelbaatar 37.80 91 Sarah Elizabeth Johnson 37.86 92 Teran Matthews Saint Vincent         and the Grenadines 39.02 93 Olga Hachatryan 39.48 -- Gloria Koussihouede DNS -- Anisa Curraj DNS

References

Women's 50m Backstroke Preliminary results from the 2007 World Championships. Published by OmegaTiming.com (official timer of the '07 Worlds); Retrieved 2009-07-10. Women's 50m Backstroke Semifinals results from the 2007 World Championships. Published by OmegaTiming.com (official timer of the '07 Worlds); Retrieved 2009-07-10. Women's 50m Backstroke Final results from the 2007 World Championships. Published by OmegaTiming.com (official timer of the '07 Worlds); Retrieved 2009-07-10.