| Final Wednesday 05.08 17:52 | time | gap | L | React. | 50m | 100m | 150m |  | 1. Laszlo Cseh |  HUN | 1:53.48 |   | 4 | 0.73 | 25.18s | 2. | 54.21s | 2. | 1:23.54 | 1. |  | 2. Chad Le Clos |  RSA | 1:53.68 | 0.20 | 5 | 0.64 | 24.81s | 1. | 54.13s | 1. | 1:24.33 | 3. |  | 3. Jan Switkowski |  POL | 1:54.10 | 0.62 | 7 | 0.73 | 25.96s | 8. | 55.18s | 7. | 1:24.86 | 6. |  | 4. Masato Sakai |  JPN | 1:54.24 | 0.76 | 3 | 0.65 | 25.56s | 5. | 54.70s | 3. | 1:24.04 | 2. |  | 5. Viktor B Bromer |  DEN | 1:54.66 | 1.18 | 6 | 0.65 | 25.79s | 6. | 54.93s | 5. | 1:24.96 | 7. |  | 6. Daiya Seto |  JPN | 1:55.16 | 1.68 | 2 | 0.63 | 25.35s | 3. | 54.90s | 4. | 1:24.53 | 4. |  | 7. Louis Croenen |  BEL | 1:55.39 | 1.91 | 1 | 0.69 | 25.52s | 4. | 55.12s | 6. | 1:24.80 | 5. |  | 8. Tom Shields |  USA | 1:56.17 | 2.69 | 8 | 0.77 | 25.82s | 7. | 55.28s | 8. | 1:25.56 | 8. |   
| World and World Championships Record: Michael Phelps (USA) 1:51.51, Roma (ITA), 29.07.2009. |  | World Junior Record: Andrew Seliskar (USA) 1:55.92, Kihei, Maui (USA) 27.08.2014. |  | Qualification times. Standard A: 1:57.37, Standard B: 2:01.48 |   
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| Ranking | time | gap | L | React. | 50m | 100m | 150m | Semi | birth |  | 1. Laszlo Cseh |  HUN | 1:53.53 |   | 4 | 0.75 | 25.53s | 55.01s | 1:24.59 | Semi 2 | 1985 |  | 2. Chad Le Clos |  RSA | 1:54.50 | 0.97 | 1 | 0.68 | 24.87s | 54.03s | 1:23.83 | Semi 1 | 1992 |  | 3. Masato Sakai |  JPN | 1:54.75 | 1.22 | 6 | 0.63 | 25.47s | 54.74s | 1:24.65 | Semi 2 | 1995 |  | 4. Viktor B Bromer |  DEN | 1:54.82 | 1.29 | 4 | 0.65 | 26.36s | 56.26s | 1:25.61 | Semi 1 | 1993 |  | 5. Daiya Seto |  JPN | 1:54.95 | 1.42 | 5 | 0.62 | 25.53s | 54.92s | 1:24.77 | Semi 2 | 1994 |  | 6. Jan Switkowski |  POL | 1:55.42 | 1.89 | 5 | 0.70 | 26.19s | 55.49s | 1:25.57 | Semi 1 | 1994 |  | 7. Louis Croenen |  BEL | 1:55.49 | 1.96 | 7 | 0.70 | 26.13s | 55.77s | 1:25.79 | Semi 1 | 1994 |  | 8. Tom Shields |  USA | 1:55.75 | 2.22 | 2 | 0.73 | 25.07s | 54.40s | 1:24.49 | Semi 2 | 1991 |  |  eliminated |  | 9. Leonardo De Deus |  BRA | 1:56.02 | 2.49 | 3 | 0.66 | 26.08s | 55.23s | 1:25.38 | Semi 2 | 1991 |  | 10.Joseph Isaac Schooling |  SIN | 1:56.11 | 2.58 | 1 | 0.58 | 25.43s | 55.24s | 1:25.32 | Semi 2 | 1995 |  | 11.Stefanos Dimitriadis |  GRE | 1:56.31 | 2.78 | 2 | 0.82 | 25.99s | 56.01s | 1:25.95 | Semi 1 | 1989 |  | 12.Tyler Clary |  USA | 1:56.47 | 2.94 | 3 | 0.64 | 26.17s | 55.66s | 1:25.50 | Semi 1 | 1989 |  | 13.Sebastien Rousseau |  RSA | 1:56.96 | 3.43 | 7 | 0.62 | 26.24s | 55.51s | 1:25.57 | Semi 2 | 1990 |  | 14.Alexander Kunert |  GER | 1:57.29 | 3.76 | 8 | 0.66 | 26.45s | 55.90s | 1:25.92 | Semi 1 | 1996 |  | 15.Grant Irvine |  AUS | 1:57.94 | 4.41 | 8 | 0.71 | 25.97s | 55.52s | 1:26.13 | Semi 2 | 1991 |  | 16.David Morgan |  AUS | 1:58.83 | 5.30 | 6 | 0.66 | 25.98s | 55.89s | 1:27.09 | Semi 1 | 1994 |   
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| Ranking | time | gap | L | React. | 50m | 100m | 150m | Heat | birth |  | 1. Laszlo Cseh |  HUN | 1:53.71 |   | 4 | 0.76 | 25.54s | 54.97s | 1:24.38 | Heat 3 | 1985 |  | 2. Viktor B Bromer |  DEN | 1:54.47 | 0.76 | 3 | 0.64 | 25.96s | 54.75s | 1:24.17 | Heat 3 | 1993 |  | 3. Daiya Seto |  JPN | 1:55.60 | 1.89 | 4 | 0.63 | 25.82s | 55.61s | 1:25.54 | Heat 4 | 1994 |  | 4. Jan Switkowski |  POL | 1:55.78 | 2.07 | 3 | 0.73 | 26.08s | 55.14s | 1:25.09 | Heat 4 | 1994 |  | 5. Leonardo De Deus |  BRA | 1:55.83 | 2.12 | 5 | 0.67 | 25.90s | 55.31s | 1:25.56 | Heat 2 | 1991 |  | 6. Tyler Clary |  USA | 1:55.86 | 2.15 | 3 | 0.64 | 26.00s | 55.49s | 1:25.38 | Heat 2 | 1989 |  | 7. Masato Sakai |  JPN | 1:55.97 | 2.26 | 5 | 0.65 | 25.85s | 55.45s | 1:25.47 | Heat 4 | 1995 |  | 8. David Morgan |  AUS | 1:56.05 | 2.34 | 2 | 0.64 | 25.79s | 55.11s | 1:25.65 | Heat 4 | 1994 |  | 9. Tom Shields |  USA | 1:56.12 | 2.41 | 5 | 0.77 | 25.87s | 55.30s | 1:25.57 | Heat 3 | 1991 |  | 10.Stefanos Dimitriadis |  GRE | 1:56.23 | 2.52 | 7 | 0.77 | 26.28s | 56.05s | 1:26.13 | Heat 2 | 1989 |  | 11.Sebastien Rousseau |  RSA | 1:56.29 | 2.58 | 7 | 0.62 | 26.27s | 55.64s | 1:25.81 | Heat 3 | 1990 |  | 12.Louis Croenen |  BEL | 1:56.33 | 2.62 | 6 | 0.70 | 25.94s | 55.62s | 1:25.68 | Heat 4 | 1994 |  | 13.Joseph Isaac Schooling |  SIN | 1:56.85 | 3.14 | 6 | 0.59 | 25.71s | 55.10s | 1:25.76 | Heat 3 | 1995 |  | 14.Chad Le Clos |  RSA | 1:56.92 | 3.21 | 4 | 0.66 | 25.65s | 55.41s | 1:25.88 | Heat 2 | 1992 |  | 14.Grant Irvine |  AUS | 1:56.92 | 3.21 | 6 | 0.71 | 25.94s | 55.71s | 1:26.05 | Heat 2 | 1991 |  | 16.Alexander Kunert |  GER | 1:57.28 | 3.57 | 8 | 0.68 | 26.59s | 56.53s | 1:26.91 | Heat 4 | 1996 |  |  elimninated |  | 17.Jan Sefl |  CZE | 1:57.63 | 3.92 | 0 | 0.74 | 26.29s | 56.27s | 1:26.52 | Heat 2 | 1990 |  | 18.Francesco Pavone |  ITA | 1:57.69 | 3.98 | 2 | 0.68 | 26.45s | 55.86s | 1:26.10 | Heat 3 | 1991 |  | 19.Evgeny Koptelov |  RUS | 1:58.06 | 4.35 | 7 | 0.73 | 25.77s | 55.28s | 1:26.13 | Heat 4 | 1993 |  | 20.Pudong Wang |  CHN | 1:58.20 | 4.49 | 1 | 0.78 | 25.75s | 55.18s | 1:26.02 | Heat 2 | 1994 |  | 21.Zheng Wen Quah |  SIN | 1:58.32 | 4.61 | 1 | 0.63 | 26.12s | 56.57s | 1:26.52 | Heat 4 | 1996 |  | 22.Alexandru Coci |  ROU | 1:58.43 | 4.72 | 0 | 0.66 | 26.64s | 56.57s | 1:27.18 | Heat 3 | 1989 |  | 23.Robert Zbogar |  SLO | 1:58.55 | 4.84 | 8 | 0.67 | 25.94s | 56.00s | 1:27.09 | Heat 2 | 1989 |  | 24.Nils Liess |  SUI | 1:58.76 | 5.05 | 0 | 0.72 | 25.58s | 55.51s | 1:26.31 | Heat 4 | 1996 |  | 25.Yun Hao |  CHN | 1:59.04 | 5.33 | 1 | 0.62 | 26.85s | 57.08s | 1:26.89 | Heat 3 | 1995 |  | 26.Aleksandr Kudashev |  RUS | 1:59.33 | 5.62 | 2 | 0.77 | 25.65s | 55.64s | 1:26.40 | Heat 2 | 1995 |  | 27.Gal Nevo |  ISR | 1:59.45 | 5.74 | 9 | 0.65 | 26.70s | 56.92s | 1:27.79 | Heat 3 | 1987 |  | 28.Marcos Lavado |  VEN | 1:59.85 | 6.14 | 9 | 0.72 | 26.43s | 56.87s | 1:27.95 | Heat 4 | 1991 |  | 29.Esnaider Reales |  COL | 2:01.13 | 7.42 | 5 | 0.68 | 26.45s | 56.08s | 1:27.33 | Heat 1 | 1996 |  | 30.Nuno Quintanilha |  POR | 2:01.46 | 7.75 | 8 | 0.70 | 26.88s | 57.02s | 1:28.23 | Heat 3 | 1987 |  | 31.Sajan Prakash Prakash |  IND | 2:01.63 | 7.92 | 3 | 0.80 | 26.88s | 57.71s | 1:29.42 | Heat 1 | 1993 |  | 32.Jessie Khing Lacuna |  PHI | 2:03.84 | 10.13 | 6 | 0.65 | 27.37s | 58.34s | 1:30.91 | Heat 1 | 1993 |  | 33.Bradlee Logan Taylor Ashby |  NZL | 2:04.31 | 10.60 | 4 | 0.70 | 26.50s | 56.90s | 1:29.18 | Heat 1 | 1995 |  | 34.Chi Chieh Hsu |  TPE | 2:04.48 | 10.77 | 9 | 0.69 | 27.90s | 59.41s | 1:31.80 | Heat 2 | 1988 |  | 35.Ayman Kelzi |  SYR | 2:04.60 | 10.89 | 2 | 0.72 | 27.23s | 58.24s | 1:29.62 | Heat 1 | 1993 |  | 36.Mihajlo Ceprkalo |  BIH | 2:05.64 | 11.93 | 8 | 0.71 | 27.61s | 59.66s | 1:32.43 | Heat 1 | 1999 |  | 37.Teimuraz Kobakhidze |  GEO | 2:06.19 | 12.48 | 7 | 0.70 | 27.37s | 59.32s | 1:32.74 | Heat 1 | 1995 |  | 38.Nouamane Batahi |  MAR | 2:07.54 | 13.83 | 1 | 0.75 | 28.33s | 1:00.39 | 1:33.72 | Heat 1 | 1994 |  | 39.Aldo Castillo |  BOL | 2:15.38 | 21.67 | 0 | 0.73 | 29.21s | 1:03.52 | 1:38.03 | Heat 1 | 1995 |  | 40.Noah Al-Khulaifi |  QAT | 2:26.71 | 33.00 | 9 | 0.79 | 29.90s | 1:07.03 | 1:46.82 | Heat 1 | 1999 |   
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| Swimmer | Q. time | Birth | L | Heat |  | -. Daiya Seto |  JPN | 1:54.46 | 1994 | 4 | Heat 4 |  | -. Laszlo Cseh |  HUN | 1:54.90 | 1985 | 4 | Heat 3 |  | -. Chad Le Clos |  RSA | 1:55.07 | 1992 | 4 | Heat 2 |  | -. Masato Sakai |  JPN | 1:55.08 | 1995 | 5 | Heat 4 |  | -. Tom Shields |  USA | 1:55.09 | 1991 | 5 | Heat 3 |  | -. Leonardo De Deus |  BRA | 1:55.19 | 1991 | 5 | Heat 2 |  | -. Jan Switkowski |  POL | 1:55.23 | 1994 | 3 | Heat 4 |  | -. Viktor B Bromer |  DEN | 1:55.29 | 1993 | 3 | Heat 3 |  | -. Tyler Clary |  USA | 1:55.42 | 1989 | 3 | Heat 2 |  | -. Louis Croenen |  BEL | 1:55.44 | 1994 | 6 | Heat 4 |  | -. Joseph Isaac Schooling |  SIN | 1:55.73 | 1995 | 6 | Heat 3 |  | -. Grant Irvine |  AUS | 1:55.98 | 1991 | 6 | Heat 2 |  | -. David Morgan |  AUS | 1:55.99 | 1994 | 2 | Heat 4 |  | -. Francesco Pavone |  ITA | 1:56.18 | 1991 | 2 | Heat 3 |  | -. Aleksandr Kudashev |  RUS | 1:56.30 | 1995 | 2 | Heat 2 |  | -. Evgeny Koptelov |  RUS | 1:56.37 | 1993 | 7 | Heat 4 |  | -. Sebastien Rousseau |  RSA | 1:56.40 | 1990 | 7 | Heat 3 |  | -. Stefanos Dimitriadis |  GRE | 1:56.68 | 1989 | 7 | Heat 2 |  | -. Zheng Wen Quah |  SIN | 1:56.79 | 1996 | 1 | Heat 4 |  | -. Yun Hao |  CHN | 1:57.26 | 1995 | 1 | Heat 3 |  | -. Pudong Wang |  CHN | 1:57.30 | 1994 | 1 | Heat 2 |  | -. Alexander Kunert |  GER | 1:57.36 | 1996 | 8 | Heat 4 |  |  Standard A: 1:57.37 |  | -. Nuno Quintanilha |  POR | 1:57.55 | 1987 | 8 | Heat 3 |  | -. Robert Zbogar |  SLO | 1:57.64 | 1989 | 8 | Heat 2 |  | -. Nils Liess |  SUI | 1:58.10 | 1996 | 0 | Heat 4 |  | -. Alexandru Coci |  ROU | 1:58.15 | 1989 | 0 | Heat 3 |  | -. Jan Sefl |  CZE | 1:58.54 | 1990 | 0 | Heat 2 |  | -. Marcos Lavado |  VEN | 1:59.08 | 1991 | 9 | Heat 4 |  | -. Gal Nevo |  ISR | 1:59.64 | 1987 | 9 | Heat 3 |  | -. Chi Chieh Hsu |  TPE | 1:59.93 | 1988 | 9 | Heat 2 |  | -. Bradlee Logan Taylor Ashby |  NZL | 2:00.20 | 1995 | 4 | Heat 1 |  | -. Esnaider Reales |  COL | 2:00.62 | 1996 | 5 | Heat 1 |  | -. Sajan Prakash Prakash |  IND | 2:00.69 | 1993 | 3 | Heat 1 |  | -. Jessie Khing Lacuna |  PHI | 2:00.89 | 1993 | 6 | Heat 1 |  |  Standard B: 2:01.48 |  | -. Ayman Kelzi |  SYR | 2:02.97 | 1993 | 2 | Heat 1 |  | -. Teimuraz Kobakhidze |  GEO | 2:05.21 | 1995 | 7 | Heat 1 |  | -. Nouamane Batahi |  MAR | 2:07.50 | 1994 | 1 | Heat 1 |  | -. Mihajlo Ceprkalo |  BIH | 2:07.74 | 1999 | 8 | Heat 1 |  | -. Aldo Castillo |  BOL | 2:10.91 | 1995 | 0 | Heat 1 |  | -. Noah Al-Khulaifi |  QAT | 2:11.83 | 1999 | 9 | Heat 1 |   
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