Swimming at the 2009 World Aquatics Championships – Women's 50 metre butterfly

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 2009Championship record 25.82 Melbourne, Australia 30 March 2007

The 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 9 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 3 102 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