| Final Saturday 06.08 | time | L | React. | Butter | Back | Breast | | 1. Kosuke Hagino |  JPN | 4:10.00 | 3 | 0.69 | 55.57s | 2. | 1:57.73 | 1. | 3:07.96 | 1. | | 2. Chase Kalisz |  USA | 4:08.12 | 4 | 0.73 | 56.52s | 4. | 2:00.56 | 3. | 3:08.70 | 2. | | 3. Daiya Seto | JPN | 4:08.47 | 5 | 0.61 | 55.23s | 1. | 1:59.19 | 2. | 3:09.06 | 3. | | 4. Max Litchfield |  GBR | 4:11.95 | 2 | 0.63 | 57.37s | 7. | 2:01.86 | 8. | 3:13.34 | 4. | | 5. Jay Litherland | USA | 4:11.10 | 6 | 0.75 | 57.14s | 5. | 2:01.16 | 6. | 3:14.90 | 6. | | 6. Thomas Fraser-Holmes |  AUS | 4:12.51 | 7 | 0.66 | 55.94s | 3. | 2:00.59 | 4. | 3:13.73 | 5. | | 7. Travis Mahoney | AUS | 4:13.37 | 1 | 0.70 | 57.28s | 6. | 2:01.08 | 5. | 3:15.40 | 7. | | 8. Joan Lluis Pons Ramon |  ESP | 4:13.55 | 8 | 0.69 | 58.13s | 8. | 2:03.30 | 7. | 3:17.17 | 8. |
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Heats - Saturday 06.08 Afternoon |
| Ranking | time | gap | React. | Butter | Back | Breast | HR | Heat | | 1. Chase Tyler Kalisz | USA | 4:08.12 | | 0.73 | 56.46s | 2:00.52 | 3:09.48 | 1. | 4 | | 2. Daiya Seto | JPN | 4:08.47 | 0.35 | 0.62 | 54.80s | 1:57.86 | 3:08.84 | 2. | 4 | | 3. Kosuke Hagino | JPN | 4:10.00 | 1.88 | 0.71 | 55.53s | 1:58.15 | 3:09.71 | 1. | 3 | | 4. Jay Litherland | USA | 4:11.10 | 2.98 | 0.74 | 57.06s | 2:00.83 | 3:13.28 | 3. | 4 | | 5. Max Litchfield | GBR | 4:11.95 | 3.83 | 0.68 | 57.80s | 2:01.05 | 3:13.27 | 2. | 3 | | 6. Thomas Fraser-Holmes | AUS | 4:12.51 | 4.39 | 0.66 | 56.52s | 2:01.40 | 3:14.15 | 3. | 3 | | 7. Travis Mahoney | AUS | 4:13.37 | 5.25 | 0.70 | 57.31s | 2:00.25 | 3:12.94 | 1. | 2 | | 8. Joan Lluis Pons Ramon | ESP | 4:13.55 | 5.43 | 0.64 | 58.39s | 2:03.13 | 3:14.89 | 2. | 2 | | eliminated | | 9. Richard Nagy |  SVK | 4:13.87 | 5.75 | 0.74 | 58.61s | 2:04.20 | 3:15.70 | 4. | 3 | | 10.Shun Wang |  CHN | 4:14.46 | 6.34 | 0.68 | 57.30s | 2:01.36 | 3:15.36 | 5. | 3 | | 11.Gergely Gyurta |  HUN | 4:14.81 | 6.69 | 0.71 | 58.38s | 2:03.14 | 3:15.34 | 6. | 3 | | 12.David Verraszto | HUN | 4:15.04 | 6.92 | 0.80 | 57.48s | 2:01.57 | 3:13.90 | 7. | 3 | | 13.Jeremy Desplanches |  SUI | 4:15.46 | 7.34 | 0.62 | 57.63s | 2:04.04 | 3:15.56 | 3. | 2 | | 14.Alexis Santos |  POR | 4:15.84 | 7.72 | 0.65 | 58.57s | 2:05.18 | 3:16.81 | 4. | 2 | | 15.Brandonn Almeida |  BRA | 4:17.25 | 9.13 | 0.65 | 58.44s | 2:01.53 | 3:16.98 | 4. | 4 | | 16.Luca Marin |  ITA | 4:17.88 | 9.76 | 0.75 | 59.72s | 2:04.52 | 3:17.76 | 5. | 4 | | 17.Michael Meyer |  RSA | 4:18.13 | 10.01 | 0.70 | 58.10s | 2:03.62 | 3:16.51 | 5. | 2 | | 18.Johannes Hintze |  GER | 4:18.25 | 10.13 | 0.68 | 58.40s | 2:04.89 | 3:17.76 | 8. | 3 | | 19.Gal Nevo |  ISR | 4:18.29 | 10.17 | 0.62 | 58.21s | 2:04.95 | 3:17.78 | 6. | 2 | | 20.Federico Turrini | ITA | 4:18.39 | 10.27 | 0.66 | 58.50s | 2:03.51 | 3:18.57 | 6. | 4 | | 21.Sebastien Rousseau | RSA | 4:18.72 | 10.60 | 0.63 | 57.05s | 2:02.77 | 3:17.43 | 7. | 4 | | 22.Christoph Meier |  LIE | 4:19.19 | 11.07 | 0.69 | 57.92s | 2:07.62 | 3:17.48 | 1. | 1 | | 23.Raphael Stacchiotti |  LUX | 4:20.37 | 12.25 | 0.64 | 58.44s | 2:05.69 | 3:19.71 | 7. | 2 | | 24.Pavel Janecek |  CZE | 4:22.09 | 13.97 | 0.75 | 58.77s | 2:05.64 | 3:21.75 | 8. | 2 | | 25.Pedro Pinotes |  ANG | 4:25.84 | 17.72 | 0.73 | 59.97s | 2:10.55 | 3:25.58 | 2. | 1 | | 26.Luis Emigdio Vega Torres |  CUB | 4:27.27 | 19.15 | 0.73 | 59.80s | 2:07.06 | 3:23.51 | 3. | 1 | | -. Jacob Heidtmann | GER | DNS | | | | | | | 4 |
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| Olympic Qualifyng Time (OQT) 4:16.71 - NOC can enter up to 2 swimmers with OQT. | | Olympic Selection Time (OST) 4:25.69, 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 - 19 Swimmers - additional 8 Swimmers. | | Olympic Qualifying Time – 4:16.71 | | 2 Quotas - 7 NOC | | 2 |  Australia | Thomas Fraser-Holmes | Travis Mahoney | | 2 |  Germany | Jacob Heidtmann | Johannes Hintze | | 2 |  Hungary | Gergely Gyurta | Dávid Verrasztó | | 2 |  Italy | Luca Marin | Federico Turrini | | 2 |  Japan | Kosuke Hagino | Daiya Seto | | 2 |  South_Africa | Michael Meyer | Sebastien Rousseau | | 2 |  United_States | Chase Kalisz | Jay Litherland | | 1 Quota - 5 NOC | | 1 |  Brazil | Brandonn Almeida | | 1 |  China | Wang Shun | | 1 |  Great_Britain | Max Litchfield | | 1 |  Slovakia | Richárd Nagy | | 1 |  Spain | Joan Lluís Pons | | Olympic Selection Time – 4:25.69 - 7 NOC | | 1 |  Angola | Pedro Pinotes | [b] | | 1 |  Czechia | Pavel Janeček | | 1 |  Israel | Gal Nevo | [a] | | 1 |  Liechtenstein | Christoph Meier | [b] | | 1 |  Luxembourg | Raphaël Stacchiotti | [a] | | 1 |  Portugal | Alexis Santos | [a] | | 1 |  Switzerland | Desplanches Jérémy | [a] | | Universalitiy Places - 1 NOC | | 1 |  Cuba | Luis Vega | | 27 | Total |
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