| | | Final Saturday 06.08 | time | L | React. | 100m | 200m | 300m |  | 1. Mack Horton |  AUS | 3:43.84 | 5 | 0.71 | 54.06s | 4. | 1:51.19 | 3. | 2:48.01 | 2. |  | 2. Yang Sun |  CHN | 3:44.23 | 6 | 0.79 | 54.52s | 7. | 1:51.67 | 7. | 2:48.06 | 3. |  | 3. Gabriele Detti |  ITA | 3:43.95 | 3 | 0.77 | 54.67s | 8. | 1:51.84 | 8. | 2:48.82 | 6. |  | 4. Conor Dwyer |  USA | 3:43.42 | 4 | 0.70 | 53.93s | 3. | 1:51.17 | 2. | 2:48.09 | 4. |  | 5. Connor Jaeger |  USA | 3:45.37 | 1 | 0.69 | 54.23s | 6. | 1:51.55 | 5. | 2:48.28 | 5. |  | 6. James Guy |  GBR | 3:45.31 | 7 | 0.66 | 53.70s | 1. | 1:50.23 | 1. | 2:47.79 | 1. |  | 7. David Mckeon |  AUS | 3:44.68 | 2 | 0.70 | 54.14s | 5. | 1:51.60 | 6. | 2:48.92 | 7. |  | 8. Jordan Pothain |  FRA | 3:45.43 | 8 | 0.73 | 53.90s | 2. | 1:51.40 | 4. | 2:50.36 | 8. | 
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 | | Ranking | time | gap | React. | 100m | 200m | 300m | HR | Heat |  | 1. Conor Dwyer |  USA | 3:43.42 |  | 0.67 | 53.95s | 1:50.81 | 2:47.39 | 1. |  | 2. Mack Horton |  AUS | 3:43.84 | 0.42 | 0.72 | 53.82s | 1:50.85 | 2:47.74 | 2. |  | 3. Gabriele Detti |  ITA | 3:43.95 | 0.53 | 0.78 | 54.02s | 1:51.04 | 2:47.77 | 3. |  | 4. Yang Sun |  CHN | 3:44.23 | 0.81 | 0.77 | 54.58s | 1:51.39 | 2:49.11 | 1. |  | 5. David McKeon |  AUS | 3:44.68 | 1.26 | 0.71 | 53.77s | 1:50.68 | 2:48.11 | 4. |  | 6. James Guy |  GBR | 3:45.31 | 1.89 | 0.65 | 53.58s | 1:50.78 | 2:48.15 | 5. |  | 7. Connor Jaeger |  USA | 3:45.37 | 1.95 | 0.71 | 54.72s | 1:51.71 | 2:49.16 | 2. |  | 8. Jordan Pothain |  FRA | 3:45.43 | 2.01 | 0.68 | 53.86s | 1:50.44 | 2:47.41 | 1. |  | eliminated |  | 9. Florian Vogel |  GER | 3:45.49 | 2.07 | 0.69 | 55.00s | 1:52.43 | 2:49.43 | 3. |  | 10.Tae-Hwan Park |  KOR | 3:45.63 | 2.21 | 0.64 | 54.74s | 1:52.10 | 2:49.55 | 4. |  | 11.Ryan Cochrane |  CAN | 3:45.83 | 2.41 | 0.77 | 54.54s | 1:51.58 | 2:49.79 | 5. |  | 12.Myles Brown |  RSA | 3:45.92 | 2.50 | 0.70 | 53.63s | 1:50.11 | 2:47.88 | 2. |  | 13.Stephen Milne |  GBR | 3:46.00 | 2.58 | 0.74 | 54.71s | 1:52.01 | 2:49.71 | 6. |  | 14.Velimir Stjepanovic |  SRB | 3:46.78 | 3.36 | 0.67 | 53.63s | 1:51.83 | 2:50.08 | 7. |  | 15.Aleksandr Krasnykh |  RUS | 3:47.39 | 3.97 | 0.68 | 54.53s | 1:51.90 | 2:49.46 | 3. |  | 16.Marwan Elkamash |  EGY | 3:47.43 | 4.01 | 0.72 | 53.21s | 1:50.86 | 2:49.09 | 1. |  | 17.Henrik Christiansen |  NOR | 3:47.90 | 4.48 | 0.80 | 55.45s | 1:52.85 | 2:50.77 | 6. |  | 18.Maarten Brzoskowski |  NED | 3:48.00 | 4.58 | 0.68 | 54.75s | 1:52.46 | 2:50.28 | 4. |  | 19.Matt Hutchins |  NZL | 3:48.25 | 4.83 | 0.74 | 54.92s | 1:52.55 | 2:50.62 | 2. |  | 20.Anton Ipsen |  DEN | 3:48.31 | 4.89 | 0.72 | 54.61s | 1:52.43 | 2:50.33 | 3. |  | 21.Peter Bernek |  HUN | 3:48.58 | 5.16 | 0.75 | 54.31s | 1:51.24 | 2:49.18 | 8. |  | 22.Marcelo Acosta |  ESA | 3:48.82 | 5.40 | 0.69 | 55.49s | 1:53.46 | 2:51.82 | 1. |  | 23.Wojciech Wojdak |  POL | 3:48.87 | 5.45 | 0.74 | 54.87s | 1:52.39 | 2:50.22 | 7. |  | 24.Clemens Rapp |  GER | 3:49.10 | 5.68 | 0.82 | 55.26s | 1:53.09 | 2:51.28 | 5. |  | 25.Felix Aubock |  AUT | 3:49.35 | 5.93 | 0.79 | 54.32s | 1:52.22 | 2:51.27 | 8. |  | 26.Ziao Qiu |  CHN | 3:49.45 | 6.03 | 0.71 | 54.35s | 1:51.99 | 2:50.89 | 6. |  | 27.Ahmed Akaram Mohamed Akaram |  EGY | 3:49.46 | 6.04 | 0.74 | 53.94s | 1:50.85 | 2:48.88 | 4. |  | 28.Filip Zaborowski |  POL | 3:49.84 | 6.42 | 0.71 | 55.40s | 1:53.22 | 2:51.72 | 7. |  | 29.Jan Micka |  CZE | 3:49.97 | 6.55 | 0.80 | 55.67s | 1:53.61 | 2:51.50 | 5. |  | 30.Viacheslav Andrusenko |  RUS | 3:50.23 | 6.81 | 0.82 | 54.93s | 1:53.45 | 2:52.17 | 6. |  | 31.Naito Ehara |  JPN | 3:50.61 | 7.19 | 0.65 | 53.50s | 1:51.17 | 2:50.58 | 8. |  | 32.Luiz Altamir Melo |  BRA | 3:50.82 | 7.40 | 0.62 | 54.98s | 1:53.10 | 2:51.66 | 2. |  | 33.Cristian Quintero |  VEN | 3:50.84 | 7.42 | 0.69 | 55.45s | 1:54.01 | 2:53.07 | 1. |  | 34.Welson SIM |  MAS | 3:51.57 | 8.15 | 0.70 | 56.26s | 1:55.10 | 2:54.23 | 3. |  | 35.Ahmed Mathlouthi |  TUN | 3:52.00 | 8.58 | 0.69 | 54.91s | 1:52.25 | 2:51.62 | 2. |  | 36.Mads Glaesner |  DEN | 3:52.59 | 9.17 | 0.72 | 54.98s | 1:53.16 | 2:51.93 | 7. |  | 37.Miguel Duran |  ESP | 3:53.40 | 9.98 | 0.74 | 54.59s | 1:53.65 | 2:53.27 | 8. |  | 38.Gergo Szabolcs Kis |  HUN | 3:54.15 | 10.73 | 0.74 | 55.82s | 1:55.15 | 2:55.36 | 4. |  | 39.Martin Naidich |  ARG | 3:54.58 | 11.16 | 0.72 | 56.80s | 1:56.76 | 2:56.93 | 3. |  | 40.David Brandl |  AUT | 3:54.59 | 11.17 | 0.72 | 56.58s | 1:55.98 | 2:55.92 | 5. |  | 41.Dimitrios Dimitriou |  GRE | 3:54.98 | 11.56 | 0.73 | 56.26s | 1:55.37 | 2:55.03 | 6. |  | 42.Matias Koski |  FIN | 3:55.57 | 12.15 | 0.73 | 55.31s | 1:54.59 | 2:55.32 | 7. |  | 43.Nezir Karap |  TUR | 3:58.37 | 14.95 | 0.74 | 55.71s | 1:55.94 | 2:57.78 | 8. |  | 44.Alex Sobers |  BAR | 3:59.97 | 16.55 | 0.74 | 55.83s | 1:55.53 | 2:56.92 | 4. |  | 45.Irakli Revishvili |  GEO | 4:00.56 | 17.14 | 0.71 | 56.97s | 1:57.51 | 2:58.73 | 5. |  | 46.Jessie Khing Lacuna |  PHI | 4:01.70 | 18.28 | 0.62 | 56.39s | 1:56.68 | 2:58.65 | 6. |  | 47.Iacovos Hadjiconstantinou |  CYP | 4:03.53 | 20.11 | 0.74 | 58.28s | 2:00.29 | 3:02.74 | 7. |  | 48.Geoffrey Butler |  CAY | 4:07.87 | 24.45 | 0.76 | 57.98s | 2:00.36 | 3:04.51 | 1. |  | 49.Pol Arias Dourdet |  AND | 4:21.16 | 37.74 | 0.69 | 1:00.30 | 2:05.72 | 3:13.08 | 2. |  | 50.Haris Bandey |  PAK | 4:33.13 | 49.71 | 0.75 | 1:04.40 | 2:13.41 | 3:22.75 | 3. | 
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 | | Olympic Qualifyng Time (OQT) 3:50.44 - NOC can enter up to 2 swimmers with OQT. |  | Olympic Selection Time (OST) 3:58.51, invitantional - A swwimer meeting the "invitation" standard was eligible for entry. But this entry was allotted/filled by ranking. | 
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 | | Olympic Qualifyng Time by NOC - 40 Swimmers - addtional 9 Swimmers. |  | 2 Quotas - 12 NOC |  | 2 |  Australia | Mack Horton | David McKeon |  | 2 |  Austria | Felix Auböck | David Brandl |  | 2 |  China | Sun Yang | Qiu Ziao |  | 2 |  Denmark | Mads Glæsner | Anton Ipsen |  | 2 |  Egypt | Ahmed Akram | Marwan El-Kamash |  | 2 |  Germany | Clemens Rapp | Florian Vogel |  | 2 |  Great_Britain | James Guy | Stephen Milne |  | 2 |  Hungary | Bernek Péter | Gergő Kis |  | 2 |  New_Zealand | Matthew Hutchins | Matthew Stanley |  | 2 |  Poland | Wojciech Wojdak | Filip Zaborowski |  | 2 |  Russia | Vyacheslav Andrushenko | Alexander Krasnykh |  | 2 |  United_States | Conor Dwyer | Connor Jaeger |  | 1 Quota - 16 NOC |  | 1 |  Brazil | Luiz Altamir Melo |  | 1 |  Canada | Ryan Cochrane |  | 1 |  Czechia | Jan Micka |  | 1 |  Finland | Matias Koski |  | 1 |  France | Jordan Pothain |  | 1 |  Italy | Gabriele Detti |  | 1 |  Japan | Naito Ehara |  | 1 |  Malaysia | Welson Sim |  | 1 |  Netherlands | Maarten Brzoskowski |  | 1 |  Norway | Henrik Christiansen |  | 1 |  Serbia | Velimir Stjepanović |  | 1 |  South_Africa | Myles Brown |  | 1 |  South_Korea | Park Tae-hwan |  | 1 |  Spain | Miguel Durán |  | 1 |  Tunisia | Ahmed Mathlouthi |  | 1 |  Turkey | Nezir Karap |  | Olympic Selection Time – 3:58.51 - 5 NOC |  | 1 |  Barbados | Alex Sobers | [b] |  | 1 |  El Salvador | Marcelo Acosta | [a] |  | 1 |  Greece | Dimitrios Dimitriou |  | 1 |  Philippines | Jessie Lacuna | [b] |  | 1 |  Venezuela | Cristian Quintero | [Men 200m Freestyle] |  | Universalitiy Places - 4 NOC |  | 1 |  Andorra | Pol Arias |  | 1 |  Cayman Islands | Geoffrey Butler |  | 1 |  Cyprus | Iacovos Hadjiconstantinou |  | 1 |  Pakistan | Haris Bandey |  | 49 | Total | 
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