The heats for the Women's 100 m Backstroke race at the 2009 World Championships took place in the morning and evening of 27 July and the final took place in the evening session of 28 July at the Foro Italico in Rome, Italy.

Records Prior to this competition, the existing world and competition records were as follows: World record 58.77 Beijing, China 11 August 2008Championship record 59.44 Melbourne, Australia 27 March 2007 The following records were established during the competition:

DateRoundNameNationalityTimeRecord 27 July Heat 11 Gemma Spofforth Great Britain 58.78 CR 27 July Semifinal 1 Anastasia Zuyeva Russia 58.48 WR 28 July Final Gemma Spofforth Great Britain 58.12 WR

Heats Rank Name Nationality Time Heat Lane Notes 1 Gemma Spofforth 58.78 11 4 CR, ER 2 Anastasia Zuyeva 59.01 12 5 NR 3 Kirsty Coventry 59.51 12 4 4 Emily Seebohm 59.64 11 5 5 Shiho Sakai 59.80 10 5 6 Gao Chang 59.84 11 7 7 Hayley McGregory 59.91 10 4 8 Elizabeth Simmonds 1:00.04 10 6 9 Aya Terakawa 1:00.18 11 3 10 Maria Gromova 1:00.32 11 8 11 Daniela Samulski 1:00.34 12 2 12 Elizabeth Pelton 1:00.47 12 7 13 Fabíola Molina 1:00.53 10 2 SA 14 Pernille Jessing Larsen 1:00.67 12 8 15 Zhao Jing 1:00.79 12 3 16 Alexianne Castel 1:00.80 11 6 17 Belinda Hocking 1:00.90 10 3 18 Fernanda González 1:00.94 9 5 NR 19 Eszter Dara 1:01.10 11 2 19 Elena Gemo 1:01.10 11 1 21 Valentina De Nardi 1:01.46 10 0 22 Esther Baron 1:01.48 12 6 23 Sanja Jovanović 1:01.53 10 7 24 Sinead Russell 1:01.63 12 1 25 Alicja Tchorz 1:01.75 12 0 26 Simona Baumrtova 1:01.79 12 9 27 Petra Klosova 1:01.83 8 4 28 Carolina Colorado Henao 1:01.85 10 1 29 Iryna Amshennikova 1:02.00 11 0 30 Gabrielle Soucisse 1:02.14 10 8 31 Kseniya Grygorenko 1:02.36 9 4 32 Kimberly Buys 1:02.46 9 1 NR 33 Aisling Cooney 1:02.55 9 8 34 Anastasiya Prilepa 1:02.72 7 7 35 Klaudia Nazieblo 1:02.74 11 9 36 Melanie Nocher 1:02.76 8 7 37 Marica Strazmester 1:02.90 9 0 38 Sarah Rolko 1:02.97 8 1 39 Kiera Aitken 1:02.99 9 7 40 Dina Hegazy 1:03.03 8 3 NR 41 Aleksandra Kovaleva 1:03.17 8 2 42 Yekaterina Rudenko 1:03.29 8 5 43 Martina van Berkel 1:03.44 8 6 44 Ekaterina Avramova 1:03.47 9 2 45 Jeserick Pinto 1:03.48 7 5 NR 46 Lau Yin Yan Claudia 1:03.51 7 3 47 Katarina Milly 1:03.57 6 3 48 Maja Sovinek 1:03.66 7 6 49 Tsai Hiu Wai Sherry 1:03.69 10 9 50 Lim Shana Jia Yi 1:03.72 8 8 51 Ramirez Monica 1:03.79 5 4 52 Elodie Vanhamme 1:04.01 9 9 53 Alana Dillette 1:04.09 9 6 54 Dana Gales 1:04.12 8 0 55 Anna-Liisa Põld 1:04.14 6 7 56 Lourdes Villaseñor 1:04.22 6 5 57 Erika Stewart 1:04.55 7 9 58 Kätlin Sepp 1:04.79 7 1 59 Riia-Rosa Koskelainen 1:04.89 7 8 60 Kang Yeong-Seo 1:05.19 8 9 61 Diana Chang 1:05.33 6 9 62 Yulduz Kuchkarova 1:05.34 7 0 63 Lynette Ng 1:05.65 6 1 63 Chen Ting 1:05.65 7 4 65 Nicole Marmol 1:05.77 6 4 66 Maria Virginia Baez Franco 1:05.81 7 2 67 Elimar Barrios 1:06.14 6 2 68 Amina Meho 1:06.80 6 8 NR 69 Nishani Cicilson 1:07.34 4 3 70 Siona Huxley 1:07.55 4 1 NR 71 Gizem Çam 1:07.62 1 6 72 Karla Toscano 1:07.76 5 3 73 Karen Milenka Torrez Guzman 1:07.90 5 5 NR 74 Kirsten Lapham 1:07.95 5 8 75 Silvie Ketelaars 1:08.09 5 2 76 Rebecca Sharpe 1:08.31 6 0 77 Kendese Nangle 1:08.37 5 7 78 Karen Vilorio 1:08.84 4 2 79 Jonay Briedenhann 1:08.88 5 6 80 Nicol Cremona 1:09.10 5 1 81 Rachita Shah 1:09.32 3 1 82 Fong Man Wai 1:09.53 4 5 83 Fariha Zaman 1:10.12 5 0 84 Che Lok In 1:10.20 5 9 85 Laura Lucia Paz Chavez 1:10.25 4 8 86 Birita Debes 1:10.30 3 5 87 Angelique Trinquier 1:10.58 3 6 88 Mariana Zaballa 1:11.10 4 0 89 Sophia Noel 1:11.40 4 9 90 Sylvia Brunlehner 1:11.60 3 2 91 Jade Ashleigh Howard 1:11.86 2 5 92 Dalia Torrez 1:12.99 4 6 93 Jessika Cossa 1:13.10 2 3 94 Mareme Faye 1:13.23 3 7 95 Kiran Khan 1:13.37 4 4 96 Ruth Carvalho 1:13.52 3 4 97 Cheyenne Rova 1:13.53 3 9 98 Rachael Catherine Glenister 1:13.74 3 0 99 Faina Salate 1:14.77 2 7 100 Estellah Fils Rabetsara 1:14.81 3 3 101 Khadidiatou Dieng 1:14.91 3 8 102 Amelie Trinquier 1:16.10 2 2 103 Maria Grace Koh 1:17.73 2 4 104 Judith Ilan Meauri 1:18.09 2 6 105 Amnahliyani Mohamed Husain 1:19.60 2 9 106 Reni Jani 1:19.95 1 4 107 Sausan Aishath 1:20.65 1 5 108 Rida Mitha 1:21.22 2 8 109 Gouri Kotecha 1:23.64 1 3 110 Shaila Rana 1:23.81 2 0 111 Ifiezibe Gagbe 1:24.96 2 1 112 Daoheuang Inthavong 1:30.02 1 7 113 Thepaksone Chinfavong 1:42.58 1 2 — Magdalena Kuras DNS 1 1 — Anahit Barseghyan DNS 4 7 — Ingvild Snildal DNS 9 3 — Anna Volchkov DSQ 6 6

Semifinals Rank Name Nationality Time Heat Lane Notes 1 Anastasia Zuyeva 58.48 1 4 WR 2 Gemma Spofforth 58.74 2 4 NR 3 Emily Seebohm 59.15 1 5 OC 4 Kirsty Coventry 59.21 2 5 5 Shiho Sakai 59.25 2 3 AS 6 Zhao Jing 59.39 2 8 NR 7 Elizabeth Simmonds 59.55 1 6 7 Hayley McGregory 59.55 2 6 9 Daniela Samulski 59.77 2 7 NR 10 Gao Chang 1:00.21 1 3 11 Aya Terakawa 1:00.31 2 2 12 Maria Gromova 1:00.49 1 2 13 Elizabeth Pelton 1:00.51 1 7 14 Fabíola Molina 1:00.55 2 1 15 Alexianne Castel 1:00.63 1 8 16 Pernille Jessing Larsen 1:00.67 1 1

Final Rank Name Nationality Time Lane Notes Gemma Spofforth 58.12 5 WR Anastasia Zuyeva 58.18 4 NR Emily Seebohm 58.88 3 OC 4 Shiho Sakai 59.14 2 AS 5 Zhao Jing 59.28 7 NR 6 Hayley McGregory 59.42 8 7 Elizabeth Simmonds 59.71 1 8 Kirsty Coventry 59.74 6

External links Heats Results Semifinals Results Finals Results