| Event: | Women's 100m Backstroke |
| Competition: | 2005 FINA World Aquatics Championships |
| Dates: | 25 July (prelims and semifinals) 26 July (final) |
| Competitors: | 70 |
| Win Value: | 1 minute .24 seconds |
| Gold: | Kirsty Coventry |
| Goldnoc: | ZIM |
| Silver: | Antje Buschschulte |
| Silvernoc: | GER |
| Bronze: | Natalie Coughlin |
| Bronzenoc: | USA |
| Prev: | 2003 |
| Next: | 2007 |
See main article: Swimming at the 2005 World Aquatics Championships.
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;[1] [2] the Final heat on 26 July.[3]
At the start of the event, the existing World (WR) and Championships (CR) records were:
| Rank | Heat + Lane | Swimmer | Nation | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | H9 L4 | 1:01.25 | q | |||
| 2 | H7 L3 | 1:01.40 | q | |||
| 3 | H8 L5 | 1:01.41 | q | |||
| 4 | H9 L2 | 1:01.46 | q | |||
| 5 | H7 L4 | 1:01.51 | q | |||
| 6 | H8 L3 | 1:01.95 | q | |||
| 7 | H8 L4 | 1:02.07 | q | |||
| 8 | H9 L3 | 1:02.25 | q | |||
| 9 | H7 L8 | 1:02.37 | q | |||
| 10 | H9 L6 | 1:02.46 | q | |||
| 11 | H7 L5 | 1:02.48 | q | |||
| 12 | H9 L7 | 1:02.49 | q | |||
| 13 | H8 L1 | 1:02.50 | q | |||
| 13 | H9 L1 | 1:02.50 | q | |||
| 15 | H8 L6 | 1:02.62 | q | |||
| 16 | H8 L7 | 1:02.92 | q | |||
| 17 | H7 L2 | 1:02.96 | ||||
| 18 | H8 L2 | 1:03.12 | ||||
| 19 | H6 L2 | 1:03.14 | ||||
| 20 | H7 L1 | 1:03.19 | ||||
| 21 | H6 L7 | 1:03.27 | ||||
| 22 | H8 L8 | 1:03.39 | ||||
| 23 | H5 L5 | 1:03.41 | ||||
| 24 | H9 L8 | 1:03.46 | ||||
| 25 | H6 L1 | 1:03.56 | ||||
| 26 | H6 L3 | 1:03.67 | ||||
| 27 | H6 L4 | 1:03.81 | ||||
| 28 | H7 L6 | 1:03.88 | ||||
| 29 | H6 L5 | 1:03.98 | ||||
| 30 | H6 L6 | 1:04.19 | ||||
| 31 | H5 L3 | 1:04.61 | ||||
| 32 | H4 L3 | 1:04.86 | ||||
| 33 | H7 L7 | 1:04.88 | ||||
| 34 | H5 L8 | 1:05.06 | ||||
| 35 | H5 L4 | 1:05.18 | ||||
| 36 | H5 L1 | 1:05.48 | ||||
| 37 | H4 L6 | 1:05.67 | ||||
| 38 | H5 L7 | 1:05.83 | ||||
| 39 | H4 L2 | 1:05.90 | ||||
| 40 | H4 L5 | 1:06.03 | ||||
| 41 | H5 L6 | 1:06.31 | ||||
| 42 | H6 L8 | 1:06.37 | ||||
| 43 | H5 L2 | 1:06.85 | ||||
| 44 | H3 L5 | 1:07.32 | ||||
| 45 | H3 L4 | 1:07.38 | ||||
| 46 | H3 L2 | 1:07.60 | ||||
| 47 | H4 L8 | 1:07.80 | ||||
| 48 | H3 L6 | 1:08.49 | ||||
| 49 | H4 L4 | 1:09.02 | ||||
| 50 | H4 L1 | 1:09.07 | ||||
| 51 | H3 L8 | 1:09.34 | ||||
| 52 | H4 L7 | 1:09.42 | ||||
| 53 | H2 L4 | 1:09.79 | ||||
| 54 | H2 L5 | 1:10.08 | ||||
| 55 | H3 L3 | 1:10.45 | ||||
| 56 | H2 L2 | 1:10.71 | ||||
| 57 | H3 L7 | 1:11.13 | ||||
| 58 | H3 L1 | 1:12.45 | ||||
| 59 | H2 L6 | 1:12.94 | ||||
| 60 | H2 L3 | 1:13.71 | ||||
| 61 | H2 L1 | 1:14.15 | ||||
| 62 | H1 L5 | 1:15.01 | ||||
| 63 | H1 L7 | 1:15.05 | ||||
| 64 | H2 L7 | 1:15.94 | ||||
| 65 | H1 L4 | 1:16.77 | ||||
| 66 | H2 L8 | 1:18.66 | ||||
| 67 | H1 L3 | 1:22.09 | ||||
| 68 | H1 L6 | 1:26.75 | ||||
| - | H1 L2 | DNS | ||||
| - | H9 L5 | DNS | ||||
| Rank | Heat + Lane | Swimmer | Nation | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | S2 L4 |  USA | 1:00.59 | |||
| 2 | S2 L5 | Germany | 1:00.67 | |||
| 3 | S1 L5 |  New Zealand | 1:01.14 | |||
| 4 | S1 L4 |  Japan | 1:01.22 | |||
| 5 | S1 L3 | Japan | 1:01.25 | |||
| 6 | S2 L6 | Denmark | 1:01.45 | |||
| 6 | S2 L3 | Zimbabwe | 1:01.45 | |||
| 8 | S2 L7 |  Australia | 1:01.64 | |||
| 9 | S1 L1 |  Russia | 1:02.09 | |||
| 10 | S2 L1 |  Italy | 1:02.11 | |||
| 11 | S1 L7 |  China | 1:02.34 | |||
| 12 | S1 L6 | Australia | 1:02.47 | |||
| 13 | S2 L2 | Germany | 1:02.49 | |||
| 14 | S1 L8 |  Ukraine | 1:02.60 | |||
| 15 | S1 L1 | USA | 1:02.68 | |||
| 16 | S2 L8 | China | 1:02.86 | |||
| Place | Swimmer | Nation | Time | Notes |
|---|---|---|---|---|
| Zimbabwe | 1:00.24 | |||
| Germany | 1:00.84 | |||
| USA | 1:00.88 | |||
| 4 | Japan | 1:01.00 | ||
| 5 | New Zealand | 1:01.16 | ||
| 6 | Japan | 1:01.25 | ||
| 7 | Denmark | 1:01.36 | ||
| 8 | Australia | 1:01.97 | ||