| Final 20:05 |   | time | gap | L | Ag | Rct | pts | 100m | 200m | 300m |  | 1. Samuel Short |   Australia | 3:40.68 |   | 4 | 19 | 0.67 | 991 | 53.58s | 1:49.29 | 2:45.49 |  | 2. Ahmed Hafnaoui |   Tunisia | 3:40.70 | AF +0.02s | 6 | 20 | 0.72 | 991 | 53.82s | 1:49.50 | 2:45.63 |  | 3. Lukas Martens |   Germany | 3:42.20 | +1.52s | 2 | 21 | 0.70 | 971 | 53.77s | 1:50.73 | 2:47.13 |  | 4. Guilherme Costa |   Brazil | 3:43.58 | +2.90s | 3 | 24 | 0.77 | 953 | 54.07s | 1:50.63 | 2:48.01 |  | 5. Woomin Kim |   South Korea | 3:43.92 | +3.24s | 7 | 21 | 0.60 | 949 | 53.69s | 1:50.52 | 2:47.91 |  | 6. Antonio Djakovic |   Switzerland | 3:44.22 | +3.54s | 8 | 20 | 0.67 | 945 | 53.79s | 1:51 45 | 2:48.56 |  | 7. Elijah Winnington |   Australia | 3:44.26 | +3.58s | 1 | 23 | 0.66 | 944 | 53.92s | 1:51.08 | 2:48.48 |  | 8. Felix Auboeck |   Austria | 3:44.33 | +3.65s | 5 | 26 | 0.76 | 944 | 53.96s | 1:50.53 | 2:48.22 |   
| World and Championship Record: Paul Biedermann, Germany 3:40.07 Rome, Italy 26th July 2009 |   
|
 Heats - Sunday, 23rd June 10:49  |  | Best 8 times advanced to Final.  |   
| Heat 6 |   | time | gap | L | Ag | Rct | pts | Rk | 100m | 200m | 300m |  | 1. Samuel Short |   Australia | 3:42.44 |   | 5 | 19 | 0.66 | 968 | 1. | 53.75s | 1:49.57 | 2:45.98 |  | 2. Felix Auboeck |   Austria | 3:44.14 | +1.70s | 3 | 26 | 0.77 | 946 | 2. | 53.80s | 1:50.54 | 2:47.87 |  | 3. Woomin Kim |   South Korea | 3:44.52 | +2.08s | 2 | 21 | 0.62 | 941 | 6. | 53.52s | 1:50.53 | 2:47.82 |  | 4. Elijah Winnington |   Australia | 3:44.63 | +2.19s | 4 | 23 | 0.65 | 940 | 7. | 53.57s | 1:50.21 | 2:47.57 |  | 5. Kristof Rasovszky |   Hungary | 3:46.56 | +4.12s | 0 | 26 | 0.73 | 916 | 10. | 54.49s | 1:51.24 | 2:48.94 |  | 6. Marco De Tullio |   Italy | 3:47.23 | +4.79s | 6 | 22 | 0.62 | 908 | 12. | 54.21s | 1:51.84 | 2:50.07 |  | 7. Matteo Ciampi |   Italy | 3:48.12 | +5.68s | 1 | 26 | 0.69 | 897 | 14. | 53.69s | 1:50.98 | 2:49.16 |  | 8. David Johnston |   United States | 3:48.68 | +6.24s | 7 | 21 | 0.68 | 891 | 17. | 54.83s | 1:52.71 | 2:51.00 |  | 9. Logan Fontaine |   France | 3:51.56 | +9.12s | 8 | 24 | 0.76 | 858 | 25. | 55.90s | 1:54.62 | 2:53.37 |  | 10.Zac Reid |   New Zealand | 3:55.55 | +13.11s | 9 | 23 | 0.74 | 815 | 32. | 55.91s | 1:55.72 | 2:56.10 |   
| Heat 5 |   | time | gap | L | Ag | Rct | pts | Rk | 100m | 200m | 300m |  | 1. Guilherme Costa |   Brazil | 3:44.17 | +1.73s | 5 | 24 | 0.72 | 946 | 3. | 53.52s | 1:50.88 | 2:48.40 |  | 2. Ahmed Hafnaoui |   Tunisia | 3:44.34 | +1.90s | 7 | 20 | 0.74 | 943 | 4. | 53.90s | 1:50.88 | 2:48.21 |  | 3. Lukas Martens |   Germany | 3:44.42 | +1.98s | 4 | 21 | 0.70 | 942 | 5. | 53.17s | 1:50.35 | 2:48.06 |  | 4. Antonio Djakovic |   Switzerland | 3:45.43 | +2.99s | 3 | 20 | 0.65 | 930 | 8. | 53.53s | 1:50.72 | 2:48.13 |  | 5. Kieran Smith |   United States | 3:45.77 | +3.33s | 2 | 23 | 0.69 | 926 | 9. | 54.48s | 1:51.33 | 2:48.78 |  | 6. Alfonso Enrique Mestre Vivas |   Venezuela | 3:46.61 | +4.17s | 0 | 21 | 0.72 | 915 | 11. | 54.44s | 1:52.11 | 2:49.82 |  | 7. Lucas Pierre A Henveaux |   Belgium | 3:47.88 | +5.44s | 1 | 22 | 0.68 | 900 | 13. | 54.30s | 1:51.55 | 2:49.37 |  | 8. Marwan Elkamash |   Egypt | 3:48.31 | +5.87s | 8 | 29 | 0.74 | 895 | 15. | 54.33s | 1:51.26 | 2:49.32 |  | 9. Oliver Klemet |   Germany | 3:49.79 | +7.35s | 6 | 21 | 0.67 | 878 | 21. | 53.56s | 1:50.99 | 2:49.85 |  | 10.Ziyang Zhang |   China | 3:55.76 | +13.32s | 9 | 22 | 0.68 | 813 | 33. | 55.67s | 1:53.91 | 2:54.54 |   
| Heat 4 |   | time | gap | L | Ag | Rct | pts | Rk | 100m | 200m | 300m |  | 1. Kregor Zirk |   Estonia | 3:48.43 | +5.99s | 7 | 24 | 0.62 | 894 | 16. | 54.49s | 1:52.77 | 2:50.98 |  | 2. Bar Soloveychik |   Israel | 3:49.21 | +6.77s | 5 | 22 | 0.65 | 885 | 18. | 55.21s | 1:53.59 | 2:52.24 |  | 3. Dimitrios Markos |   Greece | 3:49.41 | +6.97s | 2 | 21 | 0.70 | 882 | 19. | 54.49s | 1:52.58 | 2:51.45 |  | 4. Carlos Quijada Roldan |   Spain | 3:49.60 | +7.16s | 1 | 22 | 0.69 | 880 | 20. | 55.28s | 1:53.11 | 2:51.64 |  | 5. Krzysztof Chmielewski |   Poland | 3:49.90 | +7.46s | 6 | 19 | 0.64 | 877 | 22. | 54.57s | 1:52.79 | 2:51.43 |  | 6. Eric Georges Brown |   Canada | 3:50.68 | +8.24s | 8 | 20 | 0.71 | 868 | 23. | 54.99s | 1:52.95 | 2:51.39 |  | 7. Hoe Yean Khiew |   Malaysia | 3:50.78 | +8.34s | 3 | 20 | 0.71 | 867 | 24. | 54.68s | 1:52.59 | 2:51.28 |  | 8. Luke Thomas Turley |   Great Britain | 3:51.95 | +9.51s | 4 | 23 | 0.68 | 854 | 26. | 54.83s | 1:53.48 | 2:52.40 |  | 9. Jovan Lekic |   Bosnia Herzegovina | 3:53.17 | +10.73s | 0 | 19 | 0.67 | 840 | 27. | 55.32s | 1:54.43 | 2:53.80 |  | 10.Glen Jun Wei Lim |   Singapore | 3:54.42 | +11.98s | 9 | 21 | 0.69 | 827 | 31. | 55.56s | 1:54.02 | 2:54.08 |   
| Heat 3 |   | time | gap | L | Ag | Rct | pts | Rk | 100m | 200m | 300m |  | 1. Joaquin Vargas |   Peru | 3:53.54 | +11.10s | 6 | 21 | 0.67 | 836 | 28. | 55.85s | 1:54.78 | 2:53.92 |  | 2. Eduardo Cisternas |   Chile | 3:53.80 | +11.36s | 2 | 19 | 0.67 | 833 | 29. | 57.37s | 1:56.97 | 2:55.69 |  | 3. Velimir Stjepanovic |   Serbia | 3:54.25 | +11.81s | 5 | 29 | 0.64 | 829 | 30. | 55.06s | 1:55.04 | 2:55.34 |  | 4. Tonnam Kanteemool |   Thailand | 3:56.69 | +14.25s | 1 | 18 | 0.69 | 803 | 34. | 55.87s | 1:56.48 | 2:57.12 |  | 5. Kushagra Rawat |   India | 3:59.03 | +16.59s | 3 | 23 | 0.69 | 780 | 35. | 57.38s | 1:57.98 | 2:58.75 |  | 6. Ngoc Vinh Do |   Vietnam | 4:02.05 | +19.61s | 4 | 19 | 0.67 | 751 | 36. | 57.03s | 1:58.09 | 3:00.05 |  | 7. Pavel Alovatki |   Moldova | 4:02.43 | +19.99s | 7 | 19 | 0.66 | 748 | 37. | 58.49s | 1:59.84 | 3:01.25 |  | 8. Loris Bianchi |   San Marino | 4:03.88 | +21.44s | 0 | 21 | 0.70 | 734 | 38. | 57.39s | 1:59.06 | 3:01.42 |  | 9. Dylan Cachia |   Malta | 4:16.27 | +33.83s | 9 | 21 | 0.77 | 633 | 52. | 1:01.06 | 2:06.69 | 3:12.35 |  | 10.Mark Ducaj |   Albania | 4:20.88 | +38.44s | 8 | 20 | 0.74 | 600 | 55. | 1:00.14 | 2:05.63 | 3:12.45 |   
| Heat 2 |   | time | gap | L | Ag | Rct | pts | Rk | 100m | 200m | 300m |  | 1. Sauod Alshamroukh |   Kuwait | 4:04.95 | +22.51s | 3 | 19 | 0.71 | 725 | 39. | 59.59s | 2:01.93 | 3:04.03 |  | 2. Gerald Hernandez |   Nicaragua | 4:05.13 | +22.69s | 8 | 18 | 0.71 | 723 | 40. | 59.00s | 2:01.95 | 3:04.85 |  | 3. Alberto Vega |   Costa Rica | 4:05.18 | +22.74s | 4 | 18 | 0.68 | 723 | 41. | 58.75s | 2:01.26 | 3:05.00 |  | 4. Theo Druenne |   Monaco | 4:06.58 | +24.14s | 5 | 18 | 0.68 | 710 | 43. | 58.90s | 2:01.37 | 3:04.85 |  | 5. Nikola Gjuretanovikj |   North Macedonia | 4:07.87 | +25.43s | 6 | 15 | 0.64 | 699 | 45. | 58.64s | 2:01.90 | 3:05.35 |  | 6. Nasir Yahya Hussain |   Nepal | 4:08.23 | +25.79s | 0 | 17 | 0.68 | 696 | 46. | 59.31s | 2:03.21 | 3:05.85 |  | 7. Liggjas Joensen |   Faroe Islands | 4:09.17 | +26.73s | 7 | 14 | 0.71 | 688 | 47. | 58.67s | 2:02.12 | 3:05.87 |  | 8. Timothy Tek-Sing Leberl |   Mauritius | 4:09.47 | +27.03s | 9 | 21 | 0.73 | 686 | 48. | 58.69s | 2:02.05 | 3:05.63 |  | 9. Mauricio Arias |   Dominicana | 4:11.15 | +28.71s | 1 | 17 | 0.71 | 672 | 49. | 57.60s | 2:00.70 | 3:05.86 |  | 10.Jose Manuel Campo |   El Salvador | 4:15.97 | +33.53s | 2 | 19 | 0.66 | 635 | 51. | 1:00.22 | 2:04.62 | 3:09.51 |   
| Heat 1 |   | time | gap | L | Ag | Rct | pts | Rk | 100m | 200m | 300m |  | 1. Raekwon Jibril Noel |   Guyana | 4:05.70 | +23.26s | 6 | 17 | 0.66 | 718 | 42. | 56.28s | 1:58.57 | 3:02.54 |  | 2. Mal Gashi |   Kosovo | 4:07.65 | +25.21s | 4 | 17 | 0.64 | 701 | 44. | 57.73s | 1:59.49 | 3:03.37 |  | 3. Muhammad Amaan Siddiqui |   Pakistan | 4:12.29 | +29.85s | 1 | 16 | 0.62 | 663 | 50. | 59.13s | 2:01.67 | 3:06.11 |  | 4. Ali Sadeq Alawi |   Bahrain | 4:17.02 | +34.58s | 2 | 18 | 0.68 | 627 | 53. | 59.72s | 2:04.93 | 3:11.72 |  | 5. Mohammed Hani S Al Zaki |   Saudi Arabia | 4:20.48 | +38.04s | 3 | 16 | 0.60 | 603 | 54. | 59.53s | 2:05.26 | 3:13.17 |   
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