Heats
samedi 15 décembre 2018, 03h33 GMT – 03h33 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Caeleb Dressel | United States | 45.98″ |
| 2 |  Vladimir Morozov | Russia | + 0.22″ |
| 3 | Vladislav Grinev | Russia | + 0.4″ |
| 4 | Blake Pieroni | United States | + 0.41″ |
| 5 |  Simonas Bilis | Lithuania | + 0.67″ |
| 6 |  Katsumi Nakamura | Japan | + 0.72″ |
| 7 |  Marcelo Chierighini | Brazil | + 0.91″ |
| 8 |  Alessandro Miressi | Italy | + 0.96″ |
| 9 |  Shane Ryan | Ireland | + 0.99″ |
| 10 |  Mehdy Metella | France | + 1.01″ |
| 11 |  Cameron McEvoy | Australia | + 1.1″ |
| 12 | Danas Rapšys | Lithuania | + 1.13″ |
| 13 | Sergiy Shevtsov | Ukraine | + 1.17″ |
| 14 | Lorenzo Zazzeri | Italy | + 1.18″ |
| 15 |  Chad Le Clos | South Africa | + 1.19″ |
| 16 |  Jesse Puts | Netherlands | + 1.25″ |
| 17 | Oussama Sahnoune | Algeria | + 1.35″ |
| 18 | Daniel Hunter | New Zealand | + 1.38″ |
| 19 | Louis Townsend | Australia | + 1.4″ |
| 20 | Kenneth To | Hong Kong, China | + 1.49″ |
| 21 | Christoffer Carlsen | Sweden | + 1.52″ |
| 22 | Mislav Sever | Croatia | + 1.58″ |
| 23 |  Velimir Stjepanovic | Serbia | + 1.59″ |
| 24 |  Damian Wierling | Germany | + 1.6″ |
| 25 |  Kristian Gkolomeev | Greece | + 1.65″ |
| 26 | Stan Pijnenburg | Netherlands | + 1.69″ |
| 27 | Artsiom Machekin | Belarus | + 1.87″ |
| 28 | Emmanuel Vanluchene | Belgium | + 1.93″ |
| 28 | Benjamín Hockin | Paraguay | + 1.93″ |
| 30 | Kaiya Seki | Japan | + 1.96″ |
| 31 | Maxim Lobanovszkij | Hungary | + 2.05″ |
| 32 | Jiwen Cao | China | + 2.06″ |
| 33 |  Jan Switkowski | Poland | + 2.1″ |
| 34 | Cristian Quintero | Venezuela | + 2.16″ |
| 35 | Konrad Czerniak | Poland | + 2.18″ |
| 35 | Markus Lie | Norway | + 2.18″ |
| 37 | Ali Khalafalla | Egypt | + 2.19″ |
| 38 | Alexander Trampitsch | Austria | + 2.26″ |
| 39 |  Nils Liess | Switzerland | + 2.36″ |
| 40 | Bradley Vincent | Mauritius | + 2.37″ |
| 41 | Yujie Hou | China | + 2.61″ |
| 42 | Adil Kaskabay | Kazakhstan | + 2.84″ |
| 43 | Kregor Zirk | Estonia | + 2.89″ |
| 44 | Andrew Digby | Thailand | + 2.93″ |
| 45 | Guido Buscaglia | Argentina | + 3.2″ |
| 46 | Riku Pöytäkivi | Finland | + 3.29″ |
| 47 | Julien Henx | Luxembourg | + 3.5″ |
| 48 | Chien Liang Lin | Chinese Taipei | + 3.59″ |
| 49 | Nikola Bjelajac | Bosnia & Herzegovina | + 3.61″ |
| 50 | Virdhawal Khade | India | + 3.69″ |
| 51 | Alex Sobers | Barbados | + 3.73″ |
| 52 | Mohammed Bedour | Jordan | + 3.75″ |
| 53 | Igor Mogne | Mozambique | + 3.84″ |
| 54 | Isaac Beitia | Panama | + 4.05″ |
| 55 | Dadó Jasminuson | Iceland | + 4.21″ |
| 56 | Sebastian Arispe | Peru | + 4.23″ |
| 57 | Jean-Luc Zephir | St. Lucia | + 4.46″ |
| 58 | Sina Gholampour | Iran | + 4.49″ |
| 59 | Seggio Bernardina | Curaçao | + 4.5″ |
| 60 | Kaloyan Bratanov | Bulgaria | + 4.54″ |
| 61 | Abdoul Khadre Niane | Senegal | + 4.57″ |
| 62 | Pedro Chiancone | Uruguay | + 4.59″ |
| 63 | Georgia Biganishvili | Georgia | + 4.64″ |
| 64 | Kyle Abeysinghe | Sri Lanka | + 4.8″ |
| 65 | Dan Siminel | Moldova | + 4.94″ |
| 66 | Jhonny Perez | Dominican Republic | + 5.05″ |
| 67 | Kohen Kerr | Bahamas | + 5.2″ |
| 68 | Stefano Mitchell | Antigua and Barbuda | + 5.25″ |
| 69 | Souhail Hamouchane | Morocco | + 5.32″ |
| 70 | Delron Felix | Grenada | + 5.37″ |
| 71 | Danilo Rosafio | Kenya | + 5.39″ |
| 72 | Matt Galea | Malta | + 5.42″ |
| 73 | Nixon Hernández | El Salvador | + 5.45″ |
| 74 | Issa Al-Adawi | Oman | + 5.5″ |
| 75 | Dean Hoffman | Seychelles | + 5.6″ |
| 76 | Vladimir Mamikonyan | Armenia | + 5.61″ |
| 77 | Bakr Al-Dulaimi | Iraq | + 5.75″ |
| 78 | Mohammad Mahfizur Rahman | Bangladesh | + 5.78″ |
| 79 | Sidrell Williams | Jamaica | + 6.13″ |
| 80 | Gianluca Pasolini | San Marino | + 6.57″ |
| 81 | Firas Saidi | Qatar | + 6.6″ |
| 82 | Musa Zhalayev | Turkmenistan | + 6.86″ |
| 83 | Hilal Hemed Hilal | Tanzania | + 6.9″ |
| 84 | Heriniavo Rasolonjatovo | Madagascar | + 7.32″ |
| 85 | Delgerkhuu Myagmar | Mongolia | + 7.43″ |
| 86 | Noel Keane | Palau | + 7.69″ |
| 87 | Christian Nikles | Brunei Darussalam | + 7.76″ |
| 88 | Thomas Morriss | Samoa | + 7.81″ |
| 89 | Chase Onorati | Zimbabwe | + 7.87″ |
| 90 | Shane Cadogan | St. Vincent & the Grenadines | + 7.9″ |
| 91 | Kener Torrez | Nicaragua | + 8.35″ |
| 92 | Fadhil Saleh | Uganda | + 8.38″ |
| 93 | James Hendrix | Guam | + 8.48″ |
| 94 | Colins Obi Ebingha | Nigeria | + 8.87″ |
| 95 | Nabeel Hatoum | Palestine | + 9.28″ |
| 96 | Dion Kadriu | Kosovo | + 9.38″ |
| 97 | Josh Tarere | Papua New Guinea | + 9.68″ |
| 98 | Kaleo Kihleng | Micronesia | + 9.85″ |
| 99 | Finau Ohuafi | Tonga | + 9.92″ |
| 100 | Carel Van Melvin Irakoze | Burundi | + 10.3″ |
| 101 | Lennosuke Suzuki | Northern Mariana Islands | + 10.93″ |
| 102 | Yousif Ibrahim | Sudan | + 11.44″ |
| 103 | Thol Thoeun | Cambodia | + 11.63″ |
| 104 | Nadeem Younas | Pakistan | + 12.02″ |
| 105 | Vadym Semkiv | Sint Maarten | + 13.55″ |
| 106 | Tokelo Makepe | Botswana | + 16.56″ |
| 107 | Clifton Daromani | Solomon Islands | + 18.69″ |
| 108 | Mamadou Bah | Guinea | + 21.58″ |
| 109 | Domingos Da Silva | East Timor | + 24.44″ |
| Yousef Alaskari | Kuwait | ||
| Emre Sakçi | Turkey | DNS | |
| Cesar Cielo | Brazil | DNS | |
| Fenel Lamour | Haiti | DNS | |
| Dylan Carter | Trinidad & Tobago | DNS | |
| Renzo Tjon A Joe | Suriname | ||
| Phillip Kinono | Marshall Islands | DQ |