Final 18:56 | | time | gap | L | Ag | Rct | pts | 50m | 1. Aaron Peirsol | United States | 53.61s | CR | 4 | 19 | 0.62 | 1012 | 26.20s | 2. Arkady Vyatchanin | Russia | 53.92s | +0.31s | 5 | 19 | 0.90 | 1004 | 26.66s | 2. Matt Welsh | Australia | 53.92s | +0.31a | 6 | 26 | 0.70 | 1004 | 25.96s | 4. Steffen Driesen | Germany | 54.17s | +0.56s | 3 | 21 | 0.76 | 998 | 26.46s | 5. Markus Rogan | Austria | 54.53s | +0.92s | 7 | 21 | 0.72 | 988 | 26.67s | 6. Tomomi Morita | Japan | 54.86s | +1.25s | 8 | 18 | 0.64 | 979 | 26.78s | 7. Laszlo Cseh | Hungary | 54.95s | +1.34s | 1 | 17 | 0.63 | 977 | 26.83s | 8. Alex Lim Keng Liat | Malaysia | 55.18s | +1.57s | 2 | 22 | 0.73 | 971 | 26.72s |
World Record: Lenny Krayzelburg, United States 53.60s Sydney, Australia 24th August 1999 | Championship Record: Matt Welsh, Australia 54.31s Fukuoka, Japan 23rd July 2001 |
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| Best 8 times advanced to Final. |
Semi 1 | | time | gap | L | Ag | Rct | pts | Rk | 50m | 2. Arkady Vyatchanin | Russia | 54.49s | +0.21s | 4 | 19 | 0.86 | - | 2. | 26.78s | 3. Steffen Driesen | Germany | 54.60s | +0.32s | 1 | 21 | 0.76 | - | 3. | 26.75s | 8. Tomomi Morita | Japan | 55.17s | +0.89s | 5 | 18 | 0.66 | - | 8. | 27.14s | 10.Blaz Medvesek | Slovenia | 55.30s | +1.02s | 3 | 23 | 0.72 | - | 10. | 27.10s | 11.Simon Dufour | France | 55.31s | +1.03s | 7 | 24 | 0.70 | - | 11. | 27.25s | 12.Atsushi Nishikori | Japan | 55.36s | +1.08s | 8 | | 0.68 | - | 12. | 27.31s | 14.Orn Arnarson | Iceland | 55.67s | +1.39s | 2 | 21 | 0.70 | - | 14. | 27.19s | 15.Yoav Gath | Israel | 55.71s | +1.43s | 6 | 22 | 0.70 | - | 15. | 27.29s |
Semi 2 | | time | gap | L | Ag | Rct | pts | Rk | 50m | 1. Aaron Peirsol | United States | 54.28s | CR | 5 | 19 | 0.67 | - | 1. | 26.58s | 4. Alex Lim Keng Liat | Malaysia | 54.77s | +0.49s | 8 | 22 | 0.63 | - | 4. | 26.50s | 4. Matt Welsh | Australia | 54.77s | +0.49s | 4 | 26 | 0.70 | - | 4. | 26.86s | 6. Markus Rogan | Austria | 55.11s | +0.83s | 2 | 21 | 0.77 | - | 6. | 27.02s | 7. Laszlo Cseh | Hungary | 55.12s | +0.84s | 3 | 17 | 0.64 | - | 7. | 27.02s | 9. Kunpeng Ouyang | China | 55.21s | +0.93s | 6 | 20 | 0.60 | - | 9. | 26.96s | 13.Razvan Ionut Florea | Romania | 55.42s | +1.14s | 1 | 22 | 0.71 | - | 13. | 27.10s | 16.Péter Horvšth | Hungary | 55.83s | +1.55s | 7 | 28 | 0.68 | - | 16. | 26.71s |
Heat 12 | | time | gap | L | Ag | Rct | pts | Rk | 50m | 1. Matt Welsh | Australia | 54.79s | | 4 | 26 | 0.66 | - | 1. | 26.88s | 4. Tomomi Morita | Japan | 55.06s | +0.27s | 6 | 18 | 0.61 | - | 4. | 27.20s | 16.Atsushi Nishikori | Japan | 55.67s | +0.88s | 5 | | 0.66 | - | 16. | 27.46s | 18.Johannes Zandberg | South Africa | 55.80s | +1.01s | 8 | 20 | 0.72 | - | 18. | 26.98s | 19.Josh Watson | Australia | 55.81s | +1.02s | 3 | 25 | 0.73 | - | 19. | 27.06s | 21.David Ortega Pitarch | Spain | 55.85s | +1.06s | 1 | 24 | 0.68 | - | 21. | 27.10s | 22.Toni Helbig | Germany | 55.90s | +1.11s | 7 | | 0.66 | - | 22. | 26.54s | 29.Evgeny Aleshin | Russia | 56.31s | +1.52s | 2 | 24 | 0.74 | - | 29. | 27.05s |
Heat 11 | | time | gap | L | Ag | Rct | pts | Rk | 50m | 3. Aaron Peirsol | United States | 54.99s | +0.20s | 4 | 19 | 0.67 | - | 3. | 27.01s | 5. Laszlo Cseh | Hungary | 55.11s | +0.32s | 7 | 17 | 0.63 | - | 5. | 26.80s | 7. Kunpeng Ouyang | China | 55.29s | +0.50s | 1 | 20 | 0.58 | - | 7. | 27.23s | 9. Markus Rogan | Austria | 55.42s | +0.63s | 5 | 21 | 0.73 | - | 9. | 27.15s | 12.Simon Dufour | France | 55.49s | +0.70s | 2 | 24 | 0.70 | - | 12. | 27.16s | 15.Alex Lim Keng Liat | Malaysia | 55.62s | +0.83s | 6 | 22 | 0.63 | - | 15. | 26.85s | 30.Pierre Roger | France | 56.34s | +1.55s | 3 | 19 | 0.77 | - | 30. | 27.26s | 31.Min Sung | South Korea | 56.38s | +1.59s | 8 | 20 | 0.64 | - | 31. | 27.27s |
Heat 10 | | time | gap | L | Ag | Rct | pts | Rk | 50m | 2. Arkady Vyatchanin | Russia | 54.81s | +0.02s | 2 | 19 | 0.90 | - | 2. | 26.81s | 6. Blaz Medvesek | Slovenia | 55.28s | +0.49s | 8 | 23 | 0.76 | - | 6. | 26.92s | 10.Péter Horvšth | Hungary | 55.47s | +0.68s | 3 | 28 | 0.71 | - | 10. | 26.93s | 13.Steffen Driesen | Germany | 55.56s | +0.77s | 5 | 21 | 0.78 | - | 13. | 26.83s | 17.Riley Janes | Canada | 55.76s | +0.97s | 7 | 23 | 0.71 | - | 17. | 26.93s | 23.Gordan Kozulj | Croatia | 55.94s | +1.15s | 6 | 26 | 0.71 | - | 23. | 27.04s | 27.Volodymyr Nikolaychuk | Ukraine | 56.14s | +1.35s | 1 | 28 | 0.75 | - | 27. | 27.75s |
Heat 9 | | time | gap | L | Ag | Rct | pts | Rk | 50m | 10.Orn Arnarson | Iceland | 55.47s | +0.68s | 8 | 21 | 0.68 | - | 10. | 27.04s | 13.Razvan Ionut Florea | Romania | 55.56s | +0.77s | 1 | 22 | 0.72 | - | 13. | 27.25s | 20.Karel Novy | Switzerland | 55.82s | +1.03s | 5 | 23 | 0.75 | - | 20. | 27.21s | 24.Moustafa Ahmed | Egypt | 55.95s | +1.16s | 4 | 19 | 0.61 | - | 24. | 27.24s | 28.Cameron Gibson | New Zealand | 56.22s | +1.43s | 7 | 20 | 0.75 | - | 28. | 27.60s | 33.Jorge Sanchez | Spain | 56.44s | +1.65s | 2 | 26 | 0.77 | - | 33. | 27.68s | 36.Rui Yu | China | 56.77s | +1.98s | 3 | 21 | 0.65 | - | 36. | 27.50s | 37.Paulo Machado | Brazil | 57.01s | +2.22s | 6 | 24 | 0.68 | - | 37. | 28.23s |
Heat 8 | | time | gap | L | Ag | Rct | pts | Rk | 50m | 8. Yoav Gath | Israel | 55.41s | +0.62s | 4 | 22 | 0.71 | - | 8. | 27.16s | 25.Darius Grigalionis | Lithuania | 56.00s | +1.21s | 2 | 26 | 0.64 | - | 25. | 27.21s | 26.Ryan Pini | Papua New Guinea | 56.06s | +1.27s | 7 | 21 | 0.74 | - | 26. | 27.36s | 34.Klaas-Erik Zwering | Netherlands | 56.58s | +1.79s | 6 | 22 | 0.75 | - | 34. | 27.69s | 38.Nuno Filipe Laurentino Gomes | Portugal | 57.10s | +2.31s | 3 | 27 | 0.82 | - | 38. | 27.74s | 39.Flori Lang | Switzerland | 57.12s | +2.33s | 1 | 20 | 0.59 | - | 39. | 27.35s | 42.Sander Ganzevles | Netherlands | 57.69s | +2.90s | 5 | | 0.74 | - | 42. | 27.61s | 45.Gabriel Mangabeira | Brazil | 58.08s | +3.29s | 8 | 21 | 0.75 | - | 45. | 28.15s |
Heat 7 | | time | gap | L | Ag | Rct | pts | Rk | 50m | 32.Pavel Suskov | Lithuania | 56.42s | +1.63s | 6 | 21 | 0.69 | - | 32. | 27.84s | 35.Pavlo Illichov | Ukraine | 56.60s | +1.81s | 4 | 19 | 0.73 | - | 35. | 27.63s | 40.Jens Petersson | Sweden | 57.36s | +2.57s | 7 | | 0.75 | - | 40. | 27.94s | 41.Keith Beavers | Canada | 57.54s | +2.75s | 5 | 20 | 0.65 | - | 41. | 28.48s | 42.Martin Viilep | Estonia | 57.69s | +2.90s | 1 | | 0.68 | - | 42. | 28.11s | 46.Alexandru Ivlev | Moldova | 58.53s | +3.74s | 3 | 22 | 0.67 | - | 46. | 28.26s | 47.Andrei Mihailov | Moldova | 58.67s | +3.88s | 2 | 22 | 0.84 | - | 47. | 28.79s | 48.Nicholas Bovell | Trinidad Tobago | 59.42s | +4.63s | 8 | 17 | 0.70 | - | 48. | 28.73s |
Heat 6 | | time | gap | L | Ag | Rct | pts | Rk | 50m | 49.Mauricio Prudencio | Bolivia | 59.62s | +4.83s | 4 | 23 | 0.70 | - | 49. | 29.08s | 50.Jared J Heine | Marshall Islands | 1:00.13 | +5.34s | 8 | 18 | 0.70 | - | 50. | 28.65s | 51.Brendan Ashby | Zimbabwe | 1:00.21 | +5.42s | 3 | 23 | 0.69 | - | 51. | 28.96s | 52.Yau Sun Fai | Hong Kong | 1:00.87 | +6.08s | 7 | 18 | 0.67 | - | 52. | 29.18s | 53.Guillermo Andres Ramirez Lemis | Colombia | 1:01.38 | +6.59s | 2 | | 0.72 | - | 53. | 29.42s | 54.Gustavo Vera | Paraguay | 1:01.44 | +6.65s | 1 | | 0.61 | - | 54. | 29.44s | 56.Mikhail Alekseyev | Uzbekistan | 1:02.38 | +7.59s | 5 | | 0.78 | - | 56. | 29.91s | 61.Iurii Zakharov | Kyrgyzstan | 1:02.91 | +8.12s | 6 | 17 | 0.70 | - | 61. | 30.36s | 64.Oleg Deikrishvili | Georgia | 1:03.84 | +9.05s | 6 | | 0.68 | - | 64. | 30.05s | 67.Ammar Altamimi | UA Emirates | 1:04.31 | +9.52s | 6 | 16 | 0.62 | - | 67. | 31.07s |
Heat 5 | | time | gap | L | Ag | Rct | pts | Rk | 50m | 55.Long Do Huy | Vietnam | 1:02.06 | +7.27s | 4 | 15 | 0.69 | - | 55. | 30.09s | 57.Roberto Sanso | Costa Rica | 1:02.40 | +7.61s | 1 | | 0.67 | - | 57. | 30.70s | 59.Danil Bugakov | Uzbekistan | 1:02.67 | +7.88s | 5 | 15 | 0.66 | - | 59. | 30.75s | 60.Mohammad Nazeri | Iran | 1:02.75 | +7.96s | 7 | | 0.80 | - | 60. | 30.86s | 65.Chi Lon Lei | Macau | 1:03.86 | +9.07s | 5 | 18 | 0.70 | - | 65. | 30.73s | 66.Onan Thom | Guyana | 1:03.91 | +9.12s | 5 | 19 | 0.80 | - | 66. | 30.15s | 70.Olufolahan Oluwole | Nigeria | 1:05.35 | +10.56s | 2 | 22 | 0.74 | - | 70. | 31.46s | 73.Rony Bakale | Congo | 1:05.82 | +11.03s | 8 | 15 | 0.82 | - | 73. | 31.69s |
Heat 4 | | time | gap | L | Ag | Rct | pts | Rk | 50m | 58.Khaly Ciss | Senegal | 1:02.49 | +7.70s | 3 | | 0.82 | - | 58. | 31.14s | 62.James Walsh | Philippines | 1:03.72 | +8.93s | 4 | 16 | 0.68 | - | 62. | 30.97s | 68.Omar Abu Fares | Jordan | 1:04.45 | +9.66s | 2 | 18 | 0.72 | - | 68. | 31.02s | 71.Kabir Singh Walia | Kenya | 1:05.50 | +10.71s | 8 | 18 | 0.78 | - | 71. | 31.94s | 72.Mohammad Rubel Rana | Bangladesh | 1:05.62 | +10.83s | 1 | 20 | 0.69 | - | 72. | 31.45s |
Heat 3 | | time | gap | L | Ag | Rct | pts | Rk | 50m | 63.Abdel Rahman Al Kaaki | Lebanon | 1:03.77 | +8.98s | 3 | 17 | 0.77 | - | 63. | 30.11s | 69.Seung Gin Lee | Northern Marianas | 1:04.80 | +10.01s | 6 | 18 | 0.67 | - | 69. | 31.45s | 74.Nuno Miguel Rola | Angola | 1:06.49 | +11.70s | 2 | 19 | 0.77 | - | 74. | 31.81s | 76.Daniel Kang | Guam | 1:07.92 | +13.13s | 3 | | 0.67 | - | 76. | 32.24s | 77.Ganbold Urnultsaikhan | Mongolia | 1:08.19 | +13.40s | 4 | 17 | 0.74 | - | 77. | 32.11s | 78.Sean Chow | Fiji | 1:09.18 | +14.39s | 7 | | 0.62 | - | 78. | 32.71s | 84.Hojamamed Hojamamedov | Turkmenistan | 1:14.23 | +19.44s | 8 | 17 | 0.75 | - | 84. | 34.68s |
Heat 2 | | time | gap | L | Ag | Rct | pts | Rk | 50m | 75.Patrick Boustany | Lebanon | 1:07.14 | +12.35s | 5 | 16 | 0.82 | - | 75. | 33.01s | 79.Muzeya Muzyamba | Zambia | 1:10.71 | +15.92s | 1 | 18 | 0.75 | - | 79. | 34.34s | 80.Kin-Vincent Duenas | Guam | 1:11.15 | +16.36s | 6 | 17 | 0.65 | - | 80. | 33.90s | 82.Leonel Matonse | Mozambique | 1:13.11 | +18.32s | 2 | 14 | 0.73 | - | 82. | 34.18s | 83.Mohammed Abbas | Iraq | 1:13.75 | +18.96s | 8 | 25 | 0.70 | - | 83. | 34.30s |
Heat 1 | | time | gap | L | Ag | Rct | pts | Rk | 50m | 44.Mattias Ohlin | Sweden | 57.75s | +2.96s | 6 | 25 | 0.78 | - | 44. | 28.27s | 81.Peter Lynch | Zambia | 1:12.30 | +17.51s | 4 | 15 | 0.70 | - | 81. | 35.34s |
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