The women's 50 metre freestyle competition of the swimming events at the 2011 World Aquatics Championships 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 DateWorld record Championship recordBritta Steffen 23.73 RomeAugust 2, 2009

Results

Heats 87 swimmers participated in 12 heats.

Rank Heat Lane Name Nationality Time Notes 1 11 4 Therese Alshammar 24.82 Q 1 11 5 Jessica Hardy 24.82 Q 3 12 5 Aleksandra Gerasimenya 24.85 Q 4 10 5 Dorothea Brandt 24.86 Q 5 10 4 Marleen Veldhuis 25.01 Q 6 12 4 Ranomi Kromowidjojo 25.03 Q 7 11 8 Chantal van Landeghem 25.05 Q 7 12 3 Francesca Halsall 25.05 Q 9 10 3 Amanda Weir 25.11 Q 9 12 6 Yolane Kukla 25.11 Q 11 10 8 Theodora Drakou 25.13 Q 12 10 6 Olivia Halicek 25.18 Q 13 12 2 Jeanette Ottesen 25.23 Q 14 11 6 Victoria Poon 25.24 Q 15 9 3 Arianna Vanderpool-Wallace 25.28 Q, NR 16 10 7 Yayoi Matsumoto 25.34 Q 17 12 7 Triin Aljand 25.41 18 12 8 Flávia Delaroli 25.47 19 9 5 Darya Stepanyuk 25.50 20 12 1 Sviatlana Khakhlova 25.54 21 9 8 Ragnheiður Ragnarsdóttir 25.57 21 11 1 Zhu Qianwei 25.57 23 9 6 Hanna-Maria Seppälä 25.79 24 9 7 Hannah Wilson 25.82 25 10 2 Karin Prinsloo 25.89 25 10 1 Svetlana Fedulova 25.89 27 8 6 Burcu Dolunay 26.01 NR 28 8 5 Liliana Ibáñez 26.04 29 9 2 Miroslava Najdanovski 26.09 30 9 1 Amanda Lim 26.12 31 8 4 Cecilie Johannessen 26.14 32 8 2 Chinyere Pigot 26.19 33 8 7 Gabriela Ņikitina 26.20 NR 34 8 3 Lai Kwan Chui 26.22 35 8 8 Megan Fonteno 26.46 36 8 1 Katarina Filova 26.83 37 7 6 Anna-Liza Mopio 26.91 38 7 3 Nicole Horn 27.01 39 6 5 Karen Torrez 27.08 40 7 7 Jessica Vieira 27.11 41 7 4 Clelia Tini 27.15 42 7 2 Cherelle Thompson 27.21 43 7 8 Kiera Aitken 27.38 44 7 1 Christine Briedenhann 27.46 45 7 5 Nicola Muscat 27.56 46 6 3 Talita Baqlah 27.71 47 6 4 Karen Schulz 27.76 48 6 6 Fabiola Isabel Espinoza 28.18 49 5 5 Zamantha Hoss 28.19 50 9 4 Sylvia Brunlehner 28.20 51 6 7 Jamila Lunkuse 28.34 52 5 4 Ifiezegbe Gagbe 28.35 53 5 7 Ann-Marie Hepler 28.43 54 6 8 Monica Vasilyan 28.51 55 6 1 Pilar Shimizu 28.71 56 5 3 Hazboun Sabine 29.16 57 5 8 Keesha Keane 29.33 58 5 6 Celeste Brown 29.59 59 6 2 Siona Huxley 29.79 60 5 1 Amelie Trinquier 29.94 61 5 2 Magdalena Moshi 30.01 62 4 2 Deandra van der Colff 30.60 63 3 2 Mariana Henriques 30.83 64 3 6 Antoinette Guedia Mouafo 30.84 65 4 3 Grace Kimball 30.94 66 4 7 Osisang Chilton 31.07 67 4 5 Katerina Izmaylova 31.38 68 3 3 Alphonsine Agahozo 31.41 68 4 1 Karin O'Reilly Clashing 31.41 70 4 6 Vitiny Hemthon 31.45 71 4 8 Faleumata Samassekou 32.40 72 3 8 Shreya Dhital 32.44 73 3 1 Gebremedhin Yanet Seyoum 33.17 74 3 5 Shajan Aminath 33.43 75 2 6 Angelika Sita Ouedraogo 33.54 76 3 4 Sara Al Flaij 33.98 77 2 2 Toure Assita 34.45 78 2 7 Elsie Uwamahoro 35.11 79 2 4 Vilayphone Vongphachanh 35.99 80 1 5 Aminata Aboubakar Yacoub 37.07 81 2 1 Mhasin El Nour Fadlalla 38.15 82 2 3 Aicha Hassan Abdillahi 38.38 83 2 5 Angele Gbenou 38.40 84 1 3 Nafissa Adamou 43.36 85 2 8 Ingrid Outtara 44.43 86 1 2 Adzo Rebecca Kpossi 44.60 87 4 4 Masempe Theko 49.75 NR – 1 1 Vandenboss Samira DNS – 1 4 Soukeina Abdellahi DNS - 1 6 Maihi Asono-Nathalie DNS – 1 7 Ophelia Swyne DNS – 1 8 Nganga-Ngbo Tania DNS – 3 7 Sophia Adecky DNS - 11 3 Britta Steffen DNS – 11 7 Li Zhesi DNS

Semifinals The semifinals were held at 18:57.

Semifinal 1 Rank Lane Name Nationality Time Notes1 3 Ranomi Kromowidjojo 24.56 Q2 6 Francesca Halsall 24.80 Q3 4 Jessica Hardy 25.00 Q4 5 Dorothea Brandt 25.06 5 2 Yolane Kukla 25.11 6 7 Olivia Halicek 25.20 7 1 Victoria Poon 25.26 8 8 Triin Aljand 25.57

Semifinal 2 Rank Lane Name Nationality Time Notes1 1 Jeanette Ottesen 24.61 Q NR2 4 Therese Alshammar 24.63 Q3 5 Aleksandra Gerasimenya 24.69 Q4 3 Marleen Veldhuis 24.88 Q5 8 Arianna Vanderpool-Wallace 25.05 Q NR6 2 Amanda Weir 25.14 7 7 Theodora Drakou 25.22 8 6 Chantal van Landeghem 25.23

Final The final was held at 18:20.

Rank Lane Name Nationality Time Notes 3 Therese Alshammar 24.14 4 Ranomi Kromowidjojo 24.27 7 Marleen Veldhuis 24.49 4 2 Francesca Halsall 24.60 5 6 Aleksandra Gerasimenya 24.65 6 5 Jeanette Ottesen 24.67 7 8 Arianna Vanderpool-Wallace 24.79 NR8 1 Jessica Hardy 24.87

References

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