| Final 18:17 |   | time | gap | L | Ag | Rct | pts | 50m |  | 1. Hanna-Maria Seppala |   Finland | 54.37s |   | 4 | 18 | 0.70 | 994 | 25.96s |  | 2. Jodie Henry |   Australia | 54.58s | +0.21s | 5 | 19 | 0.78 | 988 | 26.55s |  | 3. Jenny Thompson |   United States | 54.65s | +0.28s | 3 | 30 | 0.78 | 986 | 26.23s |  | 4. Alena Popchanka |   Belarus | 54.79s | +0.42s | 1 | 23 | 0.75 | 983 | 26.49s |  | 5. Libby Lenton |   Australia | 54.82s | +0.45s | 6 | 18 | 0.76 | 982 | 26.22s |  | 6. Martina Moravcova |   Slovakia | 54.86s | +0.49s | 2 | 27 | 0.79 | 981 | 26.24s |  | 7. Antje Buschschulte |   Germany | 54.91s | +0.54s | 8 | 24 | 0.81 | 979 | 26.69s |  | 8. Magdalena Veldhuis |   Netherlands | 55.17s | +0.80s | 7 | 24 | 0.90 | 973 | 26.24s |   
| World Record: Inge de Bruijn, Netherlands 53.77s Sydney, Australia 20th September 2000 |  | Championship Record: Jingiy Le, China 54.01s Rome, Italy 5th September 1994 |   
|
 Semi-Finals - Thursday, 24th July 18:17  |  | Best 8 times advanced to Final.  |   
| Semi 1 18:16 |   | time | gap | L | Ag | Rct | pts | Rk | 50m |  | 3. Jenny Thompson |   United States | 54.81s | +0.33s | 4 | 30 | 0.80 | 982 | 3. | 26.60s |  | 4. Libby Lenton |   Australia | 54.92s | +0.44s | 3 | 18 | 0.78 | 979 | 4. | 26.49s |  | 5. Martina Moravcova |   Slovakia | 55.00s | +0.52s | 5 | 27 | 0.79 | 977 | 5. | 26.81s |  | 7. Alena Popchanka |   Belarus | 55.13s | +0.65s | 6 | 23 | 0.74 | 974 | 7. | 27.08s |  | 8. Antje Buschschulte |   Germany | 55.20s | +0.72s | 2 | 24 | 0.82 | 972 | 8. | 26.77s |  | 10.Tomoko Nagai |   Japan | 55.63s | +1.15s | 7 | 22 | 0.79 | 960 | 10. | 27.06s |  | 15.Johanna Sjoberg |   Sweden | 56.48s | +2.00s | 1 | 25 | 0.85 | 938 | 15. | 26.60s |  | 16.Elina Partoka |   Estonia | 56.50s | +2.02s | 8 | 19 | 0.80 | 9 | 16. | 27.36s |   
| Semi 2 |   | time | gap | L | Ag | Rct | pts | Rk | 50m |  | 1. Hanna-Maria Seppala |   Finland | 54.48s |   | 4 | 18 | 0.73 | 991 | 1. | 26.26s |  | 2. Jodie Henry |   Australia | 54.78s | +0.30s | 3 | 19 | 0.81 | 983 | 2. | 26.91s |  | 6. Magdalena Veldhuis |   Netherlands | 55.04s | +0.56s | 5 | 24 | 0.87 | 976 | 6. | 26.77s |  | 9. Chantal Groot |   Netherlands | 55.23s | +0.75s | 6 | 20 | 0.82 | 971 | 9. | 26.61s |  | 11.Petra Dallmann |   Germany | 55.80s | +1.32s | 2 | 24 | 0.81 | 956 | 11. | 26.77s |  | 12.Solenne Figues |   France | 56.04s | +1.56s | 7 | 24 | 0.77 | 950 | 12. | 26.98s |  | 13.Nery Mantey Niangkouara |   Greece | 56.10s | +1.62s | 1 | 20 | 0.77 | 948 | 13. | 27.21s |  | 14.Paulina Barzycka |   Poland | 56.17s | +1.69s | 8 | 17 | 0.86 | 946 | 14. | 27.29s |   
| Heat 12 |   | time | gap | L | Ag | Rct | pts | Rk | 50m |  | 2. Jenny Thompson |   United States | 54.83s | +0.01s | 3 | 30 | 0.80 | 982 | 2. | 26.75s |  | 9. Alena Popchanka |   Belarus | 55.82s | +1.00s | 5 | 23 | 0.74 | 955 | 9. | 27.34s |  | 11.Antje Buschschulte |   Germany | 55.95s | +1.13s | 6 | 24 | 0.83 | 952 | 11. | 27.19s |  | 13.Solenne Figues |   France | 56.02s | +1.20s | 1 | 24 | 0.79 | 950 | 13. | 27.09s |  | 16.Johanna Sjoberg |   Sweden | 56.20s | +1.38s | 7 | 25 | 0.87 | 945 | 16. | 26.91s |  | 28.Therese Alshammar |   Sweden | 56.68s | +1.86s | 2 | 25 | 0.84 | 933 | 28. | 27.20s |  | 30.Lauren Roets |   South Africa | 56.94s | +2.12s | 8 | 15 | 0.70 | 926 | 30. | 27.28s |  | 31.Natalie Coughlin |   United States | 56.98s | +2.16s | 4 | 20 | 0.68 | 925 | 31. | 27.38s |   
| Heat 11 |   | time | gap | L | Ag | Rct | pts | Rk | 50m |  | 1. Hanna-Maria Seppala |   Finland | 54.82s |   | 4 | 18 | 0.74 | 982 | 1. | 26.64s |  | 3. Magdalena Veldhuis |   Netherlands | 55.17s | +0.35s | 2 | 24 | 0.89 | 973 | 3. | 26.63s |  | 4. Martina Moravcova |   Slovakia | 55.19s | +0.37s | 3 | 27 | 0.82 | 972 | 4. | 26.66s |  | 7. Yu Yang |   China | 55.72s | +0.90s | 6 | 18 | 0.71 | 958 | 7. | 27.03s |  | 10.Petra Dallmann |   Germany | 55.86s | +1.04s | 5 | 24 | 0.78 | 954 | 10. | 27.03s |  | 25.Olga Mukomol |   Ukraine | 56.63s | +1.81s | 7 | 24 | 0.86 | 934 | 26. | 27.06s |  | -. Alison Fitch |   New Zealand | DNS |   | 8 | 23 | - | - | -. |   |  | -. Federica Pellegrini |   Italy | DNS |   | 1 | 14 | - | - | -. |   |   
| Heat 10 |   | time | gap | L | Ag | Rct | pts | Rk | 50m |  | 5. Jodie Henry |   Australia | 55.37s | +0.55s | 4 | 19 | 0.82 | 967 | 5. | 27.25s |  | 6. Libby Lenton |   Australia | 55.44s | +0.62s | 5 | 18 | 0.80 | 965 | 6. | 26.86s |  | 8. Chantal Groot |   Netherlands | 55.78s | +0.96s | 7 | 20 | 0.81 | 956 | 8. | 26.93s |  | 12.Yanwei Xu |   China | 55.98s | +1.16s | 3 | 19 | 0.74 | 951 | 12. | 27.07s |  | 15.Alison Sheppard |   Great Britain | 56.17s | +1.35s | 6 | 30 | 0.82 | 946 | 15. | 27.13s |  | 17.Paulina Barzycka |   Poland | 56.39s | +1.57s | 8 | 17 | 0.85 | 940 | 17. | 27.37s |  | 20.Hanna Lorgeril Shcherba |   Belarus | 56.50s | +1.68s | 2 | 21 | 0.72 | 937 | 20. | 27.00s |  | 22.Kathryn Evans |   Great Britain | 56.53s | +1.71s | 1 | 21 | 0.79 | 937 | 22. | 27.52s |   
| Heat 9 |   | time | gap | L | Ag | Rct | pts | Rk | 50m |  | 14.Tomoko Nagai |   Japan | 56.16s | +1.34s | 4 | 22 | 0.81 | 946 | 14. | 26.96s |  | 19.Yoon-Ji Ryu |   South Korea | 56.46s | +1.64s | 3 | 17 | 0.78 | 939 | 19. | 27.17s |  | 20.Nery Mantey Niangkouara |   Greece | 56.50s | +1.68s | 8 | 20 | 0.79 | 937 | 20. | 27.00s |  | 23.Laura Nicholls |   Canada | 56.57s | +1.75s | 7 | 24 | 0.84 | 936 | 23. | 27.18s |  | 24.Flavia Delaroli-Cazziolato |   Brazil | 56.61s | +1.79s | 5 | 19 | 0.80 | 935 | 24. | 27.30s |  | 25.Jana Myskova |   Czechia | 56.63s | +1.81s | 2 | 25 | 0.81 | 934 | 25. | 27.04s |  | 27.Eleni Kosti |   Greece | 56.68s | +1.86s | 1 | 17 | 0.85 | 933 | 27. | 27.72s |  | 35.Marina Chepurkova |   Russia | 57.67s | +2.85s | 6 | 22 | 0.86 | 907 | 35. | 27.56s |   
| Heat 8 |   | time | gap | L | Ag | Rct | pts | Rk | 50m |  | 18.Elina Partoka |   Estonia | 56.43s | +1.61s | 4 | 19 | 0.82 | 939 | 18. | 27.25s |  | 29.Florencia Szigeti |   Argentina | 56.79s | +1.97s | 1 | 22 | 0.64 | 930 | 29. | 27.54s |  | 33.Dominique Diezi |   Switzerland | 57.30s | +2.48s | 2 | 26 | 0.74 | 916 | 33. | 27.70s |  | 34.Jana Kolukanova |   Estonia | 57.45s | +2.63s | 5 | 21 | 0.91 | 912 | 34. | 27.38s |  | 36.Rebeca Gusmao |   Brazil | 57.88s | +3.06s | 3 | 18 | 0.76 | 901 | 36. | 28.17s |  | -. Nataliya Khudyakova |   Ukraine | 57.08 | DSQ | 8 | 18 | 0.92 | 922 | 32 | 27.74s |  | -. Marianne Limpert |   Canada | DNS |   | 6 | 30 | - | - | -. |   |  | -. Wei Ling Joscelin Yeo |   Singapore | DNS |   | 7 | 24 | - | - | -. |   |   
| Heat 7 |   | time | gap | L | Ag | Rct | pts | Rk | 50m |  | 37.Kolbrun Yr Kristjansdottir |   Iceland | 57.94s | +3.12s | 2 | 20 | 0.78 | 900 | 37. | 28.22s |  | 38.Julie Hjorth-Hansen |   Denmark | 58.12s | +3.30s | 3 | 19 | 0.82 | 895 | 38. | 28.28s |  | 39.Marjorie Sagne |   Switzerland | 58.17s | +3.35s | 6 | 18 | 0.83 | 894 | 39. | 27.93s |  | 40.Lara Heinz |   Luxembourg | 58.23s | +3.41s | 4 | 22 | 0.83 | 892 | 40. | 28.21s |  | 41.Julie Douglas |   Ireland | 58.53s | +3.71s | 5 | 22 | 0.73 | 884 | 41. | 27.60s |  | 42.Agnese Ozolina |   Latvia | 58.57s | +3.75s | 1 | 23 | 0.80 | 883 | 42. | 28.00s |  | 44.Shikha Tandon |   India | 58.82s | +4.00s | 7 | 18 | 0.84 | 876 | 44. | 28.36s |  | -. Maj Hillesund |   Norway | DNS |   | 8 |   | - | - | -. |   |   
| Heat 6 |   | time | gap | L | Ag | Rct | pts | Rk | 50m |  | 43.Chi Kwon Jennifer Ng |   Hong Kong | 58.71s | +3.89s | 5 |   | 0.76 | 879 | 43. | 28.01s |  | 45.Diana J Lopez |   Venezuela | 58.99s | +4.17s | 6 | 17 | 0.79 | 872 | 45. | 28.15s |  | 49.Ximena Vilar |   Venezuela | 59.64s | +4.82s | 2 | 17 | 0.70 | 855 | 49. | 28.76s |  | 50.Yamile Bahamonde |   Ecuador | 59.69s | +4.87s | 1 | 16 | 0.75 | 854 | 50. | 28.51s |  | 50.Yelena Skalinskaya |   Kazakhstan | 59.69s | +4.87s | 8 | 15 | 0.91 | 854 | 50. | 28.22s |  | 54.Marianella Marin |   Costa Rica | 1:00.45 | +5.63s | 7 |   | 0.82 | 834 | 54. | 29.02s |  | 55.Irina Shlemova |   Uzbekistan | 1:00.67 | +5.85s | 3 | 19 | 0.76 | 828 | 55. | 28.97s |  | 59.Chonlathorn Vorathamrong |   Thailand | 1:01.23 | +6.41s | 4 | 22 | 0.77 | 814 | 59. | 29.28s |   
| Heat 5 |   | time | gap | L | Ag | Rct | pts | Rk | 50m |  | 46.Lara Hrund Bjargardottir |   Iceland | 59.07s | +4.25s | 7 | 22 | 0.76 | 870 | 46. | 28.70s |  | 47.Anna-Liza Mopio-Jane |   Papua New Guinea | 59.16s | +4.34s | 5 | 16 | 0.86 | 868 | 47. | 28.49s |  | 48.Sharntelle Mclean |   Trinidad Tobago | 59.28s | +4.46s | 3 | 19 | 0.81 | 864 | 48. | 28.29s |  | 52.Maria Tregubova |   Moldova | 59.96s | +5.14s | 4 | 19 | 0.78 | 847 | 52. | 28.22s |  | 57.Larissa Komt |   Peru | 1:00.96 | +6.14s | 2 |   | 0.90 | 821 | 57. | 29.10s |  | 58.Marie-Lizza Danila |   Philippines | 1:01.07 | +6.25s | 6 | 20 | 0.85 | 818 | 58. | 28.98s |  | 60.Carolina Cerqueda |   Andora | 1:01.55 | +6.73s | 1 | 17 | 0.78 | 806 | 60. | 29.29s |  | -. Ayeisha Collymore |   Trinidad Tobago | DNS |   | 8 |   | - | - | -. |   |   
| Heat 4 |   | time | gap | L | Ag | Rct | pts | Rk | 50m |  | 53.Kiera Aitken |   Bermuda | 1:00.16 | +5.34s | 3 | 19 | 0.69 | 842 | 53. | 29.31s |  | 56.Khadija Ciss |   Senegal | 1:00.82 | +6.00s | 4 | 20 | 0.89 | 824 | 56. | 29.48s |  | 61.Geraldine Arce |   Nicaragua | 1:02.29 | +7.47s | 2 | 15 | 0.79 | 787 | 61. | 29.72s |  | 62.Ambica Iyengar |   India | 1:02.32 | +7.50s | 7 |   | 0.88 | 786 | 62. | 30.24s |  | 65.Magdalena Sutanto |   Indonesia | 1:03.07 | +8.25s | 5 |   | 0.83 | 787 | 65. | 30.32s |  | 66.Roshendra Vrolijk |   Aruba | 1:03.28 | +8.46s | 6 | 18 | 0.76 | 762 | 66. | 31.24s |  | 67.Roberta Callus |   Malta | 1:03.30 | +8.48s | 1 | 22 | 0.87 | 761 | 67. | 30.94s |  | 70.Simona Muccioli |   San Marino | 1:04.11 | +9.29s | 8 | 19 | 0.84 | 741 | 69. | 30.98s |   
| Heat 3 |   | time | gap | L | Ag | Rct | pts | Rk | 50m |  | 64.Shrone Austin |   Seychelles | 1:02.67 | +7.85s | 2 | 14 | 0.93 | 777 | 64. | 30.29s |  | 68.Man Wai Fong |   Macau | 1:03.47 | +8.65s | 3 | 14 | 0.80 | 757 | 68. | 30.63s |  | 68.Jakie Wellman |   Zambia | 1:03.47 | +8.65s | 5 | 15 | 0.90 | 757 | 69. | 30.25s |  | 71.Sade Daal |   Surinam | 1:04.70 | +9.88s | 4 | 14 | 0.83 | 727 | 71. | 30.48s |  | 72.Eva Donde |   Kenya | 1:05.65 | +10.83s | 7 | 13 | 0.90 | 704 | 72. | 31.52s |  | 76.Tojohanitra Andriamanjatoarimanana |   Madagascar | 1:08.30 | +13.48s | 6 | 12 | 0.85 | 643 | 76. | 31.71s |  | 80.Ghazal El Jobeili |   Lebanon | 1:09.86 | +15.04s | 1 | 17 | 1.01 | 610 | 80. | 32.43s |  | -. Eliane Droubry Dohi |   Ivory Coast | DSQ |   | 8 | 15 | - | - | -. |   |   
| Heat 2 |   | time | gap | L | Ag | Rct | pts | Rk | 50m |  | 73.Binta Zahra Diop |   Senegal | 1:06.75 | +11.93s | 5 | 13 | 0.89 | 678 | 73. | 32.55s |  | 74.Lasm Quissoh Genevieve Meledje |   Ivory Coast | 1:07.37 | +12.55s | 4 |   | 0.93 | 664 | 74. | 32.50s |  | 75.Ermelinda Zamba |   Mozambique | 1:08.25 | +13.43s | 6 | 21 | 0.81 | 645 | 75. | 31.52s |  | 79.Monika Bakale |   Congo | 1:08.98 | +14.16s | 8 | 24 | 1.08 | 629 | 79. | 32.31s |  | 81.Rovena Marku |   Albania | 1:10.08 | +15.26s | 2 | 16 | 0.88 | 605 | 81. | 33.74s |  | 82.Joana Gjini |   Albania | 1:11.18 | +16.36s | 7 | 17 | 0.82 | 583 | 82. | 33.83s |  | 84.Rubab Raza |   Pakistan | 1:12.16 | +17.34s | 3 | 12 | 0.84 | 563 | 84. | 32.65s |  | -. Elize Taua |   Samoa | DNS |   | 1 |   | - | - | -. |   |   
| Heat 1 |   | time | gap | L | Ag | Rct | pts | Rk | 50m |  | 32.So-Eun Sun |   South Korea | 57.25s | +2.43s | 1 | 15 | 0.73 | 918 | 32. | 27.61s |  | 63.Nicole Hayes |   Palau | 1:02.38 | +7.56s | 3 | 19 | 0.73 | 785 | 63. | 30.06s |  | 77.Asanti Mickle |   Guyana | 1:08.61 | +13.79s | 7 |   | 0.79 | 637 | 77. | 32.79s |  | 78.Sameera Albitar |   Bahrain | 1:08.75 | +13.93s | 4 | 13 | 0.92 | 634 | 78. | 31.79s |  | 83.Aminath Rouya Hussain |   Maldives | 1:11.58 | +16.76s | 6 | 12 | 0.84 | 575 | 83. | 33.53s |  | 85.Mariyam Nafha Ali |   Maldives | 1:15.76 | +20.94s | 5 | 16 | 0.93 | 498 | 85. | 35.03s |  | -. Larissa Inangorore |   Burundi | DNS |   | 2 | 19 | - | - | -. |   |   
 | 
      
 |