# Swimming at the 2005 World Aquatics Championships – Women's 100 metre backstroke

The Women's 100 Backstroke at the 11th FINA World Aquatics Championships was swum 25 – 26 July 2005 in Montreal, Quebec, Canada. Preliminary and Semifinal heats were 25 July; the Final heat on 26 July.
At the start of the event, the existing World (WR) and Championships (CR) records were:
* WR: 59.58, Natalie Coughlin (USA), swum 13 August 2002 in Fort Lauderdale, USA;
* CR: 1:00.16, Cihong He (China), swum 10 September 1994 in Rome, Italy

## Results
### Preliminaries

| Rank | Heat + Lane | Swimmer | Nation | Time | Notes |
| 1 | H9 L4 | Natalie Coughlin | United States | 1:01.25 | q |
| 2 | H7 L3 | Reiko Nakamura | Japan | 1:01.40 | q |
| 3 | H8 L5 | Antje Buschschulte | Germany | 1:01.41 | q |
| 4 | H9 L2 | Hannah McLean | New Zealand | 1:01.46 | q |
| 5 | H7 L4 | Kirsty Coventry | Zimbabwe | 1:01.51 | q |
| 6 | H8 L3 | Hanae Ito | Japan | 1:01.95 | q |
| 7 | H8 L4 | Louise Ørnstedt | Denmark | 1:02.07 | q |
| 8 | H9 L3 | Giaan Rooney | Australia | 1:02.25 | q |
| 9 | H7 L8 | Janine Pietsch | Germany | 1:02.37 | q |
| 10 | H9 L6 | Stanislava Komarova | Russia | 1:02.46 | q |
| 11 | H7 L5 | Sophie Edington | Australia | 1:02.48 | q |
| 12 | H9 L7 | Chen Yanyan | China | 1:02.49 | q |
| 13 | H8 L1 | Alessia Filippi | Italy | 1:02.50 | q |
| 13 | H9 L1 | Jeri Moss | United States | 1:02.50 | q |
| 15 | H8 L6 | GAO Chang | China | 1:02.62 | q |
| 16 | H8 L7 | Kateryna Zubkova | Ukraine | 1:02.92 | q |
| 17 | H7 L2 | Erin Gammel | Canada | 1:02.96 | |
| 18 | H8 L2 | Iryna Amshennikova | Ukraine | 1:03.12 | |
| 19 | H6 L2 | Fabíola Molina | Brazil | 1:03.14 | |
| 20 | H7 L1 | Kelly Stefanyshyn | Canada | 1:03.19 | |
| 21 | H6 L7 | Katarzyna Staszak | Poland | 1:03.27 | |
| 22 | H8 L8 | Yoo Jin Jung | South Korea | 1:03.39 | |
| 23 | H5 L5 | Melissa Ingram | New Zealand | 1:03.41 | |
| 24 | H9 L8 | Sanja Jovanović | Croatia | 1:03.46 | |
| 25 | H6 L1 | Anna Gostomelsky | Israel | 1:03.56 | |
| 26 | H6 L3 | Nam-Eun Lee | South Korea | 1:03.67 | |
| 27 | H6 L4 | Gisela Morales | Guatemala | 1:03.81 | |
| 28 | H7 L6 | Alexandra Putra | France | 1:03.88 | |
| 29 | H6 L5 | Svitlana Khkhlova | Belarus | 1:03.98 | |
| 30 | H6 L6 | Therese Svendsen | Sweden | 1:04.19 | |
| 31 | H5 L3 | Hanna-Maria Seppälä | Finland | 1:04.61 | |
| 32 | H4 L3 | Petra Klosova | Czech Republic | 1:04.86 | |
| 33 | H7 L7 | Gemma Spofforth | Great Britain | 1:04.88 | |
| 34 | H5 L8 | Sadan Derya Erke | Turkey | 1:05.06 | |
| 35 | H5 L4 | Kiera Aitken | Bermuda | 1:05.18 | |
| 36 | H5 L1 | Jane Kaljonen | Finland | 1:05.48 | |
| 37 | H4 L6 | Lenka Jarosova | Czech Republic | 1:05.67 | |
| 38 | H5 L7 | Anja Čarman | Slovenia | 1:05.83 | |
| 39 | H4 L2 | Berit Aljand | Estonia | 1:05.90 | |
| 40 | H4 L5 | Hannah Wilson | Hong Kong | 1:06.03 | |
| 41 | H5 L6 | Chonlathorn Vorathamrong | Thailand | 1:06.31 | |
| 42 | H6 L8 | Man-Hsu Lin | Chinese Taipei | 1:06.37 | |
| 43 | H5 L2 | Danit Kama | Israel | 1:06.85 | |
| 44 | H3 L5 | Shikha Tandon | India | 1:07.32 | |
| 45 | H3 L4 | Carolina Colorado Henao | Colombia | 1:07.38 | |
| 46 | H3 L2 | Fatima Valderrama | Peru | 1:07.60 | |
| 47 | H4 L8 | Lynette Ng | Singapore | 1:07.80 | |
| 48 | H3 L6 | Khadija Ciss | Senegal | 1:08.49 | |
| 49 | H4 L4 | Ting-Wei Lin | Chinese Taipei | 1:09.02 | |
| 50 | H4 L1 | Bernadette Lee | Singapore | 1:09.07 | |
| 51 | H3 L8 | Nicole Marmol | Ecuador | 1:09.34 | |
| 52 | H4 L7 | Saida Iskandarova | Uzbekistan | 1:09.42 | |
| 53 | H2 L4 | Imane Boulaamane | Morocco | 1:09.79 | |
| 54 | H2 L5 | Jonay Briedenhann | Namibia | 1:10.08 | |
| 55 | H3 L3 | Laura Rodriguez | Dominican Republic | 1:10.45 | |
| 56 | H2 L2 | Man Wai Fong | Macau | 1:10.71 | |
| 57 | H3 L7 | Lacken Malateste | Tahiti | 1:11.13 | |
| 58 | H3 L1 | Mireille Hakimeh | Syria | 1:12.45 | |
| 59 | H2 L6 | Kiran Khan | Pakistan | 1:12.94 | |
| 60 | H2 L3 | Weng I Kuan | Macau | 1:13.71 | |
| 61 | H2 L1 | Prabha Madhavi Dharmadasa | Sri Lanka | 1:14.15 | |
| 62 | H1 L5 | Jessica Vieira | Mozambique | 1:15.01 | |
| 63 | H1 L7 | Rubab Raza | Pakistan | 1:15.05 | |
| 64 | H2 L7 | Sussie Pineda | Honduras | 1:15.94 | |
| 65 | H1 L4 | Yelena Rojkova | Turkmenistan | 1:16.77 | |
| 66 | H2 L8 | Mbolatiana Ramanisa | Madagascar | 1:18.66 | |
| 67 | H1 L3 | Gabriella Grant | Grenada | 1:22.09 | |
| 68 | H1 L6 | Natasaha Ratter | Uganda | 1:26.75 | |
| - | H1 L2 | Lasm Quissoh Genevieve Meledje | Ivory Coast | DNS | |
| - | H9 L5 | Laure Manaudou | France | DNS | |

### Semifinals

| Rank | Heat + Lane | Swimmer | Nation | Time |
| 1 | S2 L4 | Natalie Coughlin | USA | 1:00.59 |
| 2 | S2 L5 | Antje Buschschulte | Germany | 1:00.67 |
| 3 | S1 L5 | Hannah McLean | New Zealand | 1:01.14 |
| 4 | S1 L4 | Reiko Nakamura | Japan | 1:01.22 |
| 5 | S1 L3 | Hanae Ito | Japan | 1:01.25 |
| 6 | S2 L6 | Louise Ørnstedt | Denmark | 1:01.45 |
| 6 | S2 L3 | Kirsty Coventry | Zimbabwe | 1:01.45 |
| 8 | S2 L7 | Sophie Edington | Australia | 1:01.64 |
| 9 | S1 L1 | Stanislava Komarova | Russia | 1:02.09 |
| 10 | S2 L1 | Alessia Filippi | Italy | 1:02.11 |
| 11 | S1 L7 | Chen Yanyan | China | 1:02.34 |
| 12 | S1 L6 | Giaan Rooney | Australia | 1:02.47 |
| 13 | S2 L2 | Janine Pietsch | Germany | 1:02.49 |
| 14 | S1 L8 | Kateryna Zubkova | Ukraine | 1:02.60 |
| 15 | S1 L1 | Jeri Moss | USA | 1:02.68 |
| 16 | S2 L8 | GAO Chang | China | 1:02.86 |

### Final

| Place | Swimmer | Nation | Time |
| | Kirsty Coventry | Zimbabwe | 1:00.24 |
| | Antje Buschschulte | Germany | 1:00.84 |
| | Natalie Coughlin | USA | 1:00.88 |
| 4 | Reiko Nakamura | Japan | 1:01.00 |
| 5 | Hannah McLean | New Zealand | 1:01.16 |
| 6 | Hanae Ito | Japan | 1:01.25 |
| 7 | Louise Ørnstedt | Denmark | 1:01.36 |
| 8 | Sophie Edington | Australia | 1:01.97 |