Swimming at the 2009 World Aquatics Championships – Women's 50 metre butterfly
Introduction The heats for the '''women's 50 m butterfly''' race at the 2009 World Championships took place in the morning and evening of 31 July, with the final in the evening session of 1 August at the Foro Italico in Rome, Italy.
Records Prior to this competition, the existing world and competition records were as follows:'''World record'''    '''25.33'''  Amsterdam, Netherlands  19 April 2009'''Championship record'''    '''25.82'''  Melbourne, Australia  30 March 2007The following records were established during the competition:DateRoundNameNationalityTimeRecord 31 July  Heat 10  Sarah Sjöström   Sweden  25.74  '''CR''' 31 July  Heat 13  Therese Alshammar   Sweden  25.44  '''CR''' 31 July  Semifinal 1  Marleen Veldhuis   Netherlands  25.28  '''WR''' 31 July  Semifinal 2  Therese Alshammar   Sweden  25.07  '''WR'''}
Results ===Heats=== Rank  Name  Nationality  Time  Heat  Lane  Notes 1  Therese Alshammar     25.44  13  4  '''CR''', '''NR''' 2  Marleen Veldhuis     25.58  14  4   3  Ingvild Snildal     25.62  13  7  '''NR''' 4  Sarah Sjöström     25.74  10  3   5  Marieke Guehrer     25.83  14  5   6  Silvia di Pietro     25.84   13  6   '''NR''' 7  Jeanette Ottesen     25.86  14  3 '''NR''' 8  Yafei Zhou     26.00  14  2  '''AS''' 9  Christine Magnuson     26.06  13  5   10  Gabriella Silva     26.07  13  2  '''SA''' 11  Daynara de Paula     26.11  13  8   12  Hinkelien Schreuder     26.21  12  5   12  Sviatlana Khakhlova     26.21  14  8   14  Triin Aljand     26.27  14  9   15  Diane Bui Duyet     26.35  14  6  16  Daniela Samulski     26.36  12  8  17  Dara Torres     26.41  12  4  17  Libby Trickett     26.41  13  3  19  Yuka Kato     26.46  12  1   20  Irina Bespalova     26.49  12  2  '''NR''' 21  Jiao Liuyang     26.53  12  3  22  Fabienne Nadarajah     26.55  14  7  23  Amit Ivry     26.59  12  7  23  Iryna Niafedava     26.59  13  9  25  Eszter Dara     26.68  11  4  '''NR''' 26  Jemma Lowe     26.71  11  8  26  Mélanie Henique     26.71  12  6  28  Tao Li     26.76  10  5  29  Katharina Stiberg     26.77  12  0   30  Micha Kathrine Østergaard Jensen     26.79  11  3  31  Martina Moravcová     26.80  12  9  32  Cristina Maccagnola     26.82  14  1  33  Kimberly Buys     26.85  14  0  34  Alana Dillette     27.07  13  9 '''NR''' 35  Beatrix Bordas     27.13  13  1  36  Yui Miyamoto     27.16  11  6  37  Emilia Pikkarainen     27.23  11  5  38  Ellen Gandy     27.28  11  2  39  Victoria Poon     27.31  13  0   40  Katarina Listopadova     27.37  10  4  41  Jane Trepp     27.39  10  9  42  Anna Schoholeva     27.43  11  0  43  Iris Rosenberger     27.44  10  8  44  Fella Bennaceur     27.50  10  6  '''NR''' 45  Audrey Lacroix     27.52  9  5  45  Kelly Shim Robinson     27.52  9  0  47  Linda Laihorinne     27.53  9  7  48  Carolina Colorado Henao     27.56  11  7  49  Laetitia Perez     27.61  11  1   50  Farida Osman     27.78  9  3  51  Sofija Djelic     27.82  9  2  52  Kristina Tchernychev     27.88  9  6   53  Binta Zahra Diop     27.96  9  9  54  Rita Medrano     27.97  8  5  '''NR''' 55  Marellyn Lammert Liew     27.98  9  8  56  Hang Yu Sze     28.12  9  1  57  Aneta Pechancova     28.18  9  4  58  Jeserick Pinto     28.20  10  1  59  Klara Vaclavikova     28.23  7  5   60  Sharntelle McLean     28.25  8  3  61  Christine Mailliet     28.36  8  6  62  Grite Apanaviciute     28.38  10  0  63  Mylene Ong     28.48  8  4  64  Marie Laura Meza     28.58  7  4  '''NR''' 65  Aiste Dobrovolskaite     28.62  8  2  65  Nadia Colovini     28.62  10  2  '''NR''' 67  Monica Bernardo     28.88  7  3  68  Ramond Sherazad     29.01  7  1 '''NR''' 69  Gizem Cam     29.16  8  7   70  Ma Cheok Mei     29.21  8  8  71  Achieng Ajulu-Bushell     29.32  7  2  '''NR''' 72  Nishani Cicilson     29.34  6  3  73  Dalia Torrez     29.35  7  7  74  Chittaranjan Shubha     29.48  7  8  75  Veronica Vdovicenco     29.50  7  6  76  Silvie Ketelaars     29.53  6  6  77  Shaila Millum Garðarnar     29.56  6  2 '''NR''' 78  Maria Georgina Gandionco     29.60  7  1  79  Karen Milenka Torrez Guzman     29.63  6  4   80  Razan Taha     29.66  8  9  81  Kimberley Eeson     29.69  5  1  82  Laura lucia Paz Chavez     29.72  5  8  83  Moira Fraser     29.85  5  6  84  Jonay Briedenhann     29.86  6  7 '''NR''' 85  Ileana Murillo     30.05  8  1  86  Marianela Quesada     30.12  5  0  87  Karrakchou Lilia     30.13  4  5  88  Kendese Nangle     30.18  6  5  89  Davina Mangion     30.24  6  9  90  Kathryn Millin     30.29  3  2  91  Nilshaira Isenia     30.33  5  2  92  Long Chi Wun     30.47  7  0  93  Karla Toscano     30.50  4  5  94  Ashley Bransford     30.53  5  7  95  Labake Anthonia Oriretan     30.63  3  7  96  Vandita Dhariyal     30.65  3  6  96  Amina Meho     30.65  6  1  98  Selma Atic     30.74  8  0  99  Sharon Paola Fajardo Sierra     30.79  5  5  100  Li Chuen Cheong Estelle     30.97  4  4  101  Graciela Peinado Ibanez     31.05  2  2  102  Talisa Pace     31.06  6  0  103  Stephanie Rasoamanana     31.30  3  4  104  Gessica Stagno     31.33  3  8  105  Pina Ercolano     31.35  4  6  105  Adele Rova     31.35  4  0  107  Sara Abdullahu     31.41  4  9  108  Estellah Fils Rabetsara     31.45  4  2  109  Noelyn Faussane     31.69  3  0  110  Cheyenne Rova     31.79  4  1  111  Tin Hon Ko Adeline Mei-Li     31.80  4  3  112  Shannon Austin     31.92  2  2  113  Miniruwani Samarakoon     32.14  3  1  114  Danielle Bernadine Findlay     32.17  3  3  115  Ruth Carvalho     32.20  2  5  115  Julia Alves     32.20  2  7  117  Noelle Anyika Smith     32.34  2  8  118  Sabine Hazboun     32.39  2  4  119  Maria Grace Koh     32.59  4  8  120  Amnahliyani Mohamad Husain     32.65  2  1  121  Judith Ilan Meauri     32.82  3  9  122  Debra Daniel     32.83  2  6  123  Debora Keci     32.92  3  5  124  Kiran Khan     33.13  5  3  125  Yara Dowani     33.64  6  8  126  Sausan Aishath     33.76  1  5  127  Mariam Foum     34.67  1  3  128  Julianne Kirchner     34.96  1  2  129  Katerina Izmailova     36.63  5  4  130  Rida Mitha     37.54  2  9  131  Uwamahoro Elsie     43.87  2  0  132  Awa Keita     44.33  1  6   –  Ana Euceda Gutierrez     DNS  5  9  –  Gantumur Oyungerel     DSQ  1  4  –  Loren Yamile Bahamonde     DSQ  11  9 ===Semifinals=== Rank  Name  Nationality  Time  Heat  Lane  Notes 1  Therese Alshammar     25.07  2  4  '''WR''' 2  Marleen Veldhuis     25.28  1  4  '''NR''' 3  Ingvild Snildal     25.53  2  5  '''NR''' 4  Marieke Guehrer     25.58  2  3  '''OC''' 5  Yafei Zhou     25.59  1  6  '''AS''' 6  Sarah Sjöström     25.76  1  5   7  Daynara de Paula     25.85  2  7  '''SA''' 8  Diane Bui Duyet     25.87  2  8  '''NR''' 9  Jeanette Ottesen     25.90  2  6  10  Hinkelien Schreuder     25.94  1  7   11  Silvia di Pietro     26.00   1  3    12  Sviatlana Khakhlova     26.00  2  1   13  Gabriella Silva     26.02  1  2   14  Triin Aljand     26.16  1  1   15  Christine Magnuson     26.21  2  2   16  Daniela Samulski     26.33  1  8  '''NR'''===Final=== Rank  Name  Nationality  Time  Lane  Notes   Marieke Guehrer      25.48  6  ''' OC'''   Yafei Zhou     25.57  2   '''AS'''   Ingvild Snildal     25.58  3   4  Therese Alshammar      25.59  4    5  Marleen Veldhuis     25.63  5     6  Sarah Sjöström     25.66  7   7  Diane Bui Duyet     25.92  8   8  Daynara de Paula     26.12  1
External links * Heats Results* Semifinals Results* Final Results