Swimming at the 2009 World Aquatics Championships – Women's 100 metre freestyle
Introduction The heats for the '''women's 100 m freestyle''' race at the 2009 World Championships took place on the morning of 30 July, with the final in the evening session of 31 July at the Foro Italico in Rome, Italy.
Records Prior to this competition, the existing world and competition records were as follows:'''World record'''    '''52.56'''  Berlin, Germany  27 June 2009'''Championship record'''    '''53.40'''  Melbourne, Australia  29 March 2007   30 March 2007The following records were established during the competition:DateRoundNameNationalityTimeRecord 26 July  Heat 4*  Francesca Halsall   Great Britain  53.02  '''CR''' 26 July  Final*  Britta Steffen   Germany  52.22  '''WR''' 31 July  Final  Britta Steffen   Germany  52.07  '''WR''' Split from the women's 4 × 100 m freestyle relay
Results ===Heats=== Rank  Name  Nationality  Time  Heat  Lane  Notes 1  Amanda Weir     53.20  16  6  '''AM''' 2  Libby Trickett     53.49 16  4   3  Ranomi Kromowidjojo     53.61  17  6   4  Britta Steffen     53.62  17  4   5  Dana Vollmer     53.69  15  3   6  Jeanette Ottesen     53.79   15  6  '''NR''' 7  Malia Metella     53.91  17  5   7  Francesca Halsall     53.91  17  3   9  Hanna-Maria Seppälä     53.94  15  5   9  Evelyn Verrasztó     53.94  16  3  '''NR''' 11  Daniela Schreiber     54.08  16  7   12  Li Zhesi     54.10  15  7   12  Hayley Palmer     54.10  16  1  '''NR''' 14  Victoria Poon     54.27  15  1   15  Aleksandra Gerasimenya     54.52  17  7  16  Marieke Guehrer     54.60  16  2  17  Anastasia Aksenova     54.70  15  8  '''NR''' 18  Josefin Lillhage     54.87  17  2  19  Arlene Semeco     54.92  14  1  '''SA''' 19  Dar'ya Stepanyuk     54.92  16  9  '''NR''' 21  Arianna Vanderpool-Wallace     54.96  14  6 '''NR''' 22  Tatiana Lemos     55.02  16  8  23  Heather MacLean     55.44  17  1  24  Gabriella Fagundez     55.45  17  8  24  Miroslava Najdanovski     55.45  17  0  26  Birgit Koschischek     55.76  15  9  27  Ragnheidur Ragnarsdottir     55.78  14  7  28  Katherine Wyld     55.83  14  3  29  Lee Jae Young     55.86  13  6  30  Haruka Ueda     55.91  16  0  31  Katarina Filova     56.00  13  8  32  Vanessa García     56.01  11  3  33  Liliana Ibanez     56.04  13  7 '''NR''' 33  Sviatlana Khakhlova     56.04  17  9  35  Heysi Villareal     56.12  10  6  35  Nina Rangelova     56.12  13  9  37  Yayoi Matsumoto     56.20  14  4  37  Katarzyna Wilk     56.20  15  0  39  Anna Stylianou     56.29  13  1  39  Quah Ting Wen     56.29  14  2  41  Clare Dawson     56.32  12  6  '''NR''' 42  Jolien Sysmans     56.33  14  8  43  Petra Klosova     56.34  13  3  44  Natthanan Junkrajang     56.42  13  2  45  Henriette Brekke     56.47  12  4  46  Cecilie Johannessen     56.50  11  5  47  Katarina Listopadova     56.54  12  2  48  Nicole Horn     56.57  12  9  49  Eszter Dara     56.65  14  0  50  Nadia Colovini     56.66  14  5  51  Nina Van Koeckhoven     56.69  13  4  51  Nina Sovinek     56.69  14  9  53  Loren Yamile Bahamonde     56.73  12  8  54  Juanita Barreto Barreto     56.75  10  3  55  Nina Drolc     56.76  11  4  56  Elina Partoka     56.77  9  8  57  Verena Klocker     56.79  12  5  58  Emilia Pikkarainen     56.94  13  0  59  Amanda Lim     56.95  13  5  60  Fiona Doyle     56.96  12  3  61  Kiera Aitken     56.99  10  5 '''NR''' 62  Rugile Mileisyte     57.30  11  1  63  Christine Mailliet     57.35  11  2  64  Sherry Tsai     57.53  12  0  65  Pamela Benitez     57.54  11  9  66  Annika Saarnak     57.58  11  8  67  Hang Yu Sze     57.61  10  0  68  Ximena Vilar     57.66  10  9  69  Natasha Moodie     57.71  11  7  70  Nicole Marmol     57.93  11  6  71  Anna-Liza Mopio-Jane     57.97  9  6  '''NR''' 72  Coral del Mar Lopez Rosario     57.98  9  4  73  Kimberley Eeson     58.06  8  5  74  Sharntelle McLean     58.31  10  1  75  Teisha Lightbourne     58.47  8  2  76  Erika Stewart     58.48  10  7  77  Fella Bennaceur     58.49  11  0  78  Kristina Tchernychev     58.53  1  1  79  Chinyere Pigot     58.57  9  7  '''NR''' 80  Leung Chii Lin     58.64  10  8  81  Grite Apanaviciute     58.70  12  1  82  Marie Laura Meza     58.88  8  4  83  Maida Turnadzic     58.91  12  7  84  Marianela Quesada     59.25  7  4  85  Ashley Bransford     59.27  9  1  86  Karen Milenka Torrez Guzman     59.42  8  3  87  Farida Osman     59.45  10  2  88  Amina Meho     59.60  9  3  89  Clelia Tini     59.62  8  1  90  Shaila Millum Garðarnar     59.63  8  8 '''NR''' 91  Miriam Hatamleh     59.84  7  6  92  Nishani Cicilson     59.94  6  8  93  Sara Abdullahu     1:00.14  7  1  '''NR''' 94  Raffaella Rodoni Palma     1:00.31  9  0  95  Baean Jouma     1:00.47  7  5  95  Chittaranjan Shubha     1:00.47  7  7  97  Daniela Miyahara Coello     1:00.63  7  3  97  Sharon Paola Fajardo Sierra     1:00.63  8  6  99  Noelyn Faussane     1:00.70  6  4  100  Talasha Prabhu     1:00.73  7  9  101  Jonay Briedenhann     1:00.75  6  2  102  Christine Briedenhann     1:00.78  6  3  103  Natalya Filina     1:00.84  7  8  104  Melinda Sue Micallef     1:00.99  7  2  104  Razan Taha     1:00.99  8  9  106  Talisa Pace     1:01.01  8  0  107  Nilshaira Isenia     1:01.12  7  0  108  Ting Sheng-Yo     1:01.29  9  2  109  Shannon Austin     1:01.38  5  9  110  Silvie Ketelaars     1:01.47  8  7  111  Andrea Cedron     1:01.49  6  6  112  Sylvia Brunlehner     1:01.56  4  5  113  Dalia Torrez     1:01.68  6  7  114  Monica Bernardo     1:01.71  5  0  115  Ramond Sherazad     1:02.02  9  9  116  Tan Chi Yan     1:02.09  6  5  117  Judith Ilan Meauri     1:02.34  5  7  118  Sophia Noel     1:02.41  4  2  119  Karla Toscano     1:02.68  5  6  120  Anahit Barseghyan     1:02.69  4  6  121  Long Chi Wun     1:02.76  6  9  122  Kathryn Millin     1:02.78  4  7  123  Amanda Jia Xin Liew     1:03.00  5  1  124  Birita Debes     1:03.10  3  7  125  Pina Ercolano     1:03.26  5  8  126  Angelique Trinquier     1:03.32  5  3  127  Li Chuen Cheong Estelle     1:03.45  3  4  128  Ifiezibe Gagbe     1:03.48  3  6  129  Rovena Marku     1:03.87  5  5  130  Tin Hon Ko Adeline Mei-Li     1:03.91  6  1  131  Ayesha Noel     1:03.96  5  2  132  Estellah Fils Rabetsara     1:04.06  5  4  133  Ouleye Diallo     1:04.07  6  0  134  Mariana Zaballa     1:04.37  4  8  135  Cheyenne Rova     1:04.67  4  1  136  Amelie Trinquier     1:04.87  3  3  137  Gessica Stagno     1:04.94  4  9  138  Sameera Al Bitar     1:05.05  2  4  139  Mareme Faye     1:05.06  4  3  140  Tieri Erasito     1:05.26  3  2  141  Yara Dowani     1:06.02  3  1  142  Julia Alves     1:06.13  2  6  143  Mirella Alam     1:06.53  4  0  144  Maria Grace Koh     1:06.93  4  4  145  Rachael Catherine Glenister     1:07.00  3  5  146  Enkhjargal Khulan     1:07.07  3  8  147  Noelle Anyika Smith     1:07.11  3  9  148  Julianne Kirchner     1:07.84  2  2  149  Maria Gibbons     1:08.21  2  5  150  Olivia Infield     1:08.31  1  5  151  Sabine Hazboun     1:08.57  3  0  152  Mahnoor Maqsood     1:08.92  2  3  153  Katerina Izmailova     1:09.80  2  9  154  Osisang Chilton     1:10.45  2  7  155  Rida Mitha     1:12.62  2  1  156  Gouri Kotecha     1:13.14  1  7  157  Shreya Dhital     1:15.58  1  4  158  Shaila Rana     1:15.84  2  0  159  Ismail Aminath Inas     1:18.25  1  2  160  Jennet Saryyeva     1:18.63  1  6  161  Irankunda Lena Courageuse     1:18.73  1  3   –  Maroua Mathlouthi     DNS  9  5   –  Dina Hegazy     DNS  10  4   –  Pang Jiaying     DNS  15  2   –  Marleen Veldhuis     DNS  15  4   –  Federica Pellegrini     DNS  16  5 ===Semifinals=== Rank  Name  Nationality  Time  Heat  Lane  Notes 1  Libby Trickett     52.84  1  4   2  Britta Steffen     52.87  1  5   3  Amanda Weir     53.02  2  4  '''AM''' 4  Francesca Halsall     53.05  1  6   5  Ranomi Kromowidjojo     53.31  2  5   6  Jeanette Ottesen     53.41   1  3  '''NR''' 7  Dana Vollmer     53.55  2  3   8  Evelyn Verrasztó     53.74  1  2  '''NR''' 9  Daniela Schreiber     53.76  2  7   10  Hanna-Maria Seppälä     53.82  2  2   11  Hayley Palmer     53.91  2  1  '''NR''' 12  Malia Metella     53.95  2  6   13  Li Zhesi     53.97  1  7   14  Marieke Guehrer     54.21  1  8  15  Victoria Poon     54.29  1  1   16  Aleksandra Gerasimenya     54.51  2  8 ===Final=== Rank  Name  Nationality  Time  Lane  Notes   Britta Steffen      52.07  5  '''WR'''   Francesca Halsall     52.87  6  '''NR'''   Libby Trickett     52.93  4   4  Amanda Weir      53.12  3    5  Dana Vollmer     53.30 1    6  Ranomi Kromowidjojo     53.37  2   7  Jeanette Ottesen     53.70  7   8  Evelyn Verrasztó     53.92  8
External links * Heats Results* Semifinals Results* Final Results