The heats for the women's 50 m breaststroke race at the 2009 World Championships took place in the morning of 1 August, with the final in the evening session of 2 August at the Foro Italico in Rome, Italy.

Records Prior to this competition, the existing world and competition records were as follows: World record 30.23 Montreal, Canada 8 July 2009Championship record 30.45 Montreal, Canada 31 July 2005 The following records were established during the competition:

DateRoundNameNationalityTimeRecord 1 August Heat 10 Kasey Carlson United States 30.34 CR 1 August Heat 12 Yuliya Yefimova Russia 30.24 CR 2 August Final Yuliya Yefimova Russia 30.09 WR

Results

Heats Rank Name Nationality Time Heat Lane Notes 1 Yuliya Yefimova 30.24 12 4 CR, ER 2 Kasey Carlson 30.34 10 6 NR 3 Sarah Katsoulis 30.48 10 5 4 Moniek Nijhuis 30.57 12 3 NR 5 Amanda Reason 30.73 10 4 6 Kerstin Vogel 30.77 10 7 NR 7 Rebecca Soni 30.82 11 6 8 Tarnee White 30.96 12 5 9 Annamay Pierse 31.02 11 5 10 Sophie de Ronchi 31.06 12 6 11 Valentina Artemyeva 31.10 11 4 12 Georgia Holderness 31.11 7 5 12 Katharina Stiberg 31.11 9 4 NR 14 Roberta Panara 31.13 12 2 15 Katja Lehtonen 31.14 9 6 16 Lowri Tynan 31.15 8 5 17 Rikke Moller-Pedersen 31.23 11 0 NR 18 Concepcion Badillo 31.27 11 7 19 Inna Kapishina 31.29 9 7 20 Achieng Ajulu-Bushell 31.30 10 0 NR 21 Jane Trepp 31.32 9 2 NR 21 Mirna Jukić 31.32 10 8 NR 21 Caroline Ruhnau 31.32 12 1 24 Ana Carla Carvalho 31.38 12 7 25 Angeliki Exarchou 31.52 9 5 NR 26 Kim Daleun 31.55 10 2 27 Tatiane Sakemi 31.61 11 3 28 Hitomi Nose 31.68 10 1 29 Ewa Scieszko 31.69 8 4 29 Petra Chocova 31.69 10 9 31 Rebecca Ejdervik 31.77 11 8 32 Wang Randi 31.79 11 2 33 Kim Hyejin 31.82 9 1 34 Yekaterina Sadovnik 31.85 7 6 35 Anastasia Christoforou 31.87 9 3 36 Joline Höstman 31.88 12 9 37 Yuliya Banach 31.98 9 8 NR 37 Martina Carraro 31.98 11 1 39 Ana Marisa Brito 32.00 11 9 40 Elise Matthysen 32.12 8 6 NR 41 Joana Carvalho 32.24 12 0 42 Urte Kazakeviciute 32.37 7 7 NR 43 Doaa Reda Masarwa 32.46 8 8 44 Raminta Dvariskyte 32.53 7 2 45 Tanja Šmid 32.55 8 0 46 Sarra Lajnef 32.68 7 4 NR 47 Hrafnhildur Lúthersdóttir 32.71 8 3 48 Alicia Lightbourne 32.84 6 7 NR 49 Anna Khlistunova 32.87 7 1 50 Roanne Ho 32.93 9 9 51 Daniela Victoria 32.95 8 1 52 Martina Dankova 32.97 7 0 53 Lei On Kei 33.34 6 5 54 Agnieszka Ostrowska 33.36 7 8 55 Veronica Vdovicenco 33.46 8 7 56 Jonay Briedenhann 33.50 6 8 NR 57 Kimba Collymore 33.61 6 4 58 Maxine Heard 33.70 5 5 NR 59 Carolina Colorado Henao 33.93 7 9 59 Dilara Buse Gunaydin 33.93 8 9 61 Danielle Beaubrun 33.95 6 2 62 Daniela Lindemeier 34.12 5 4 63 Cherelle Thompson 34.87 6 6 64 Maria Zenoni 34.93 5 1 NR 65 Labake Anthonia Oriretan 34.95 5 8 66 Monica Bernardo 35.07 4 5 67 Racheal Tonjor 35.15 5 0 68 Cheryl Lim 35.20 6 9 69 Selma Atic 35.72 6 1 70 Nibal Yamout 35.74 6 3 71 Melinda Sue Micallef 35.77 5 3 72 Nilshaira Isenia 35.87 6 0 73 Amanda Jia Xin Liew 35.90 4 7 NR 74 Karla Toscano 36.35 5 2 75 Karen Vilorio 36.55 5 7 76 Doli Akhter 36.62 4 3 77 Ana Euceda Gutierrez 36.74 4 2 78 Gantumur Oyungerel 37.00 3 7 79 Stephanie Rasoamanana 37.17 5 6 80 Clarissa Brady 37.29 4 6 81 Jessika Cossa 37.81 3 5 82 Mirella Alam 37.88 5 9 83 Tea Pikuli 37.94 4 0 84 Debora Keci 38.24 4 4 85 Jamila Lunkuse 38.90 3 2 86 Mariam Foum 39.07 2 0 87 Adele Rova 39.09 3 3 88 Rayleen David 39.42 2 5 89 Jade Ashleigh Howard 39.51 3 4 90 Noelle Anyika Smith 40.39 3 0 91 Sabine Hazboun 40.61 4 9 92 Danielle Bernadine Findlay 40.65 3 6 93 Murugaperumal Venpa 40.67 4 1 94 Julia Alves 41.08 2 3 95 Debra Daniel 41.43 2 4 96 Amnahliyani Mohamad Husain 41.65 3 8 97 Aelia Mehdi 41.81 3 9 98 Maria Gibbons 41.85 2 6 99 Aqsa Tariq 42.55 3 1 100 Angele Gbenou Mahutin 43.26 1 6 101 Angelika Sita Ouedraogo 44.71 1 5 102 Aicha Oumar Coulibaly 46.12 2 1 103 Svetlana Dogadkina 46.51 7 3 104 Ismail Aminath Inas 46.91 2 2 105 Awa Keita 47.48 1 4 106 Catherine Decker 48.23 2 8 107 Antja Flowers 48.25 2 7 – Elsa Partio Fatima Traore DQ 1 3 – Ouleye Diallo DNS 4 8 – Sara Nordenstam DNS 8 2 – Maria Georgia Michalaka DNS 9 0 – Chen Huijia DNS 10 3 – Nanaka Tamura DNS 12 8

Semifinals Rank Name Nationality Time Heat Lane Notes 1 Sarah Katsoulis 30.33 2 5 2 Moniek Nijhuis 30.38 1 5 NR 3 Yuliya Yefimova 30.40 2 4 4 Amanda Reason 30.42 2 3 5 Kasey Carlson 30.46 1 4 6 Rebecca Soni 30.56 2 6 7 Tarnee White 30.80 1 6 8 Valentina Artemyeva 30.92 2 7 8 Annamay Pierse 30.92 2 2 10 Lowri Tynan 31.03 1 8 11 Kerstin Vogel 31.04 1 3 12 Katharina Stiberg 31.09 2 1 NR 13 Sophie de Ronchi 31.12 1 2 14 Roberta Panara 31.16 1 1 15 Georgia Holderness 31.25 1 7 16 Katja Lehtonen 31.37 2 8

Swim-off Rank Name Nationality Time Lane Notes 1 Annamay Pierse 30.98 5 2 Valentina Artemyeva 30.99 4

Final Rank Name Nationality Time Lane Notes Yuliya Yefimova 30.09 3 WR Rebecca Soni 30.11 7 AM Sarah Katsoulis 30.16 4 OC 4 Moniek Nijhuis 30.46 5 5 Annamay Pierse 30.53 8 6 Kasey Carlson 30.65 2 7 Amanda Reason 30.67 6 8 Tarnee White 30.91 1

External links Heats Results Semifinals Results Swim-off Results Final Results