Swimming at the 2009 World Aquatics Championships – Women's 50 metre breaststroke
Introduction 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 2009'''Championship record'''    '''30.45'''  Montreal, Canada  31 July 2005The 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