Heats
dimanche 21 juillet 2019, 04h54 GMT – 04h54 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Adam Peaty | Great Britain | 57.59″ |
| 2 |  Ilya Shymanovich | Belarus | + 1.28″ |
| 3 | Yasuhiro Koseki | Japan | + 1.32″ |
| 4 |  Zibei Yan | China | + 1.54″ |
| 5 | James Wilby | Great Britain | + 1.56″ |
| 6 |  Matthew Wilson | Australia | + 1.58″ |
| 7 | João Gomes Júnior | Brazil | + 1.66″ |
| 8 |  Andrew Wilson | United States | + 1.67″ |
| 9 | Anton Chupkov | Russia | + 1.72″ |
| 10 | Kirill Prigoda | Russia | + 1.73″ |
| 11 |  Arno Kamminga | Netherlands | + 1.8″ |
| 12 | Lizhuo Wang | China | + 1.85″ |
| 13 | Dmitriy Balandin | Kazakhstan | + 1.97″ |
| 14 |  Nicolò Martinenghi | Italy | + 1.99″ |
| 15 | Fabio Scozzoli | Italy | + 2.02″ |
| 16 |  Andrius Šidlauskas | Lithuania | + 2.16″ |
| 17 |  Darragh Greene | Ireland | + 2.23″ |
| 18 |  Felipe Lima | Brazil | + 2.41″ |
| 19 | Michael Andrew | United States | + 2.45″ |
| 20 |  Fabian Schwingenschlögl | Germany | + 2.53″ |
| 21 | Giedrius Titenis | Lithuania | + 2.61″ |
| 22 |  Berkay Ögretir | Turkey | + 2.67″ |
| 23 |  Tobias Bjerg | Denmark | + 2.7″ |
| 24 | Anton McKee | Iceland | + 2.73″ |
| 25 | Martin Allikvee | Estonia | + 3.01″ |
| 26 |  Erik Persson | Sweden | + 3.07″ |
| 27 | Richard Funk | Canada | + 3.14″ |
| 28 | Denis Petrashov | Kyrgyzstan | + 3.35″ |
| 29 |  Michael Houlie | South Africa | + 3.59″ |
| 29 | Nikola Obrovac | Croatia | + 3.59″ |
| 31 | Youssef Elkamash | Egypt | + 3.65″ |
| 31 | Jae-Kwon Moon | Korea | + 3.65″ |
| 33 | Jorge Murillo | Colombia | + 3.86″ |
| 34 | Jan Kalusowski | Poland | + 3.9″ |
| 35 | Tomáš Klobucník | Slovakia | + 4.06″ |
| 36 | Valentin Bayer | Austria | + 4.09″ |
| 37 | Itay Goldfaden | Israel | + 4.1″ |
| 38 | Yannick Käser | Switzerland | + 4.26″ |
| 39 | Peter John Stevens | Slovenia | + 4.31″ |
| 40 | Lyubomir Epitropov | Bulgaria | + 4.45″ |
| 41 | Man Hou Chao | Macau, China | + 4.55″ |
| 42 | Chih-Ming Chen | Chinese Taipei | + 4.59″ |
| 43 | Martín Melconian | Uruguay | + 4.62″ |
| 44 | Renato Prono | Paraguay | + 4.69″ |
| 45 | Miguel Chávez | Mexico | + 4.78″ |
| 46 | Dávid Horváth | Hungary | + 4.79″ |
| 47 | Vladislav Mustafin | Uzbekistan | + 4.89″ |
| 48 | Édgar Crespo | Panama | + 5.03″ |
| 49 | Lionel Khoo | Singapore | + 5.07″ |
| 50 | Amro Al-Wir | Jordan | + 5.16″ |
| 51 | Jimmy Deiparine | Philippines | + 5.25″ |
| 52 | Likith Prema | India | + 5.31″ |
| 53 | Adriel Sanes | Virgin Islands | + 5.32″ |
| 54 | Taichi Vakasama | Fiji | + 5.59″ |
| 55 | Daniils Bobrovs | Latvia | + 5.73″ |
| 56 | Mykyta Koptyelov | Ukraine | + 5.88″ |
| 57 | Julio Horrego | Honduras | + 5.96″ |
| 58 | Izaak Bastian | Bahamas | + 6.01″ |
| 59 | Sébastien Kouma | Mali | + 6.44″ |
| 60 | Adrian Robinson | Botswana | + 6.67″ |
| 61 | Benjamin Schulte | Guam | + 6.81″ |
| 62 | Ryan Maskelyne | Papua New Guinea | + 6.85″ |
| 63 | Fausto Huerta | Dominican Republic | + 7.06″ |
| 64 | Michael Ng | Hong Kong, China | + 7.07″ |
| 65 | Tasi Limtiaco | Guam | + 7.51″ |
| 66 | Ronan Wantenaar | Namibia | + 7.58″ |
| 67 | Micah Masei | American Samoa | + 7.65″ |
| 68 | Liam Davis | Zimbabwe | + 7.8″ |
| 69 | Giacomo Casadei | San Marino | + 8.37″ |
| 70 | Rashed Altarmoom | Kuwait | + 8.76″ |
| 71 | Rainier Rafaela | Curaçao | + 8.82″ |
| 72 | Arnoldo Herrera | Costa Rica | + 8.83″ |
| 73 | Santiago Cavanagh | Bolivia | + 8.85″ |
| 74 | Muis Ahmad | Brunei Darussalam | + 8.92″ |
| 75 | Jonathan Raharvel | Madagascar | + 8.94″ |
| 76 | Malcolm Richardson | Cook Islands | + 9.05″ |
| 77 | Filipe Gomes | Malawi | + 9.92″ |
| 78 | Md Shariful Islam | Bangladesh | + 10.15″ |
| 79 | Zandan Gunsennorou | Mongolia | + 10.33″ |
| 80 | Alex Joachim | St. Vincent & the Grenadines | + 10.55″ |
| 81 | Amini Fonua | Tonga | + 10.73″ |
| 82 | Abobakr Abass | Sudan | + 11.75″ |
| 83 | Kumaren Naidu | Zambia | + 12.54″ |
| 84 | Shuvam Shrestha | Nepal | + 14.15″ |
| 85 | Yaya Yeressa | Guinea | + 22.07″ |
| 86 | Lennosuke Suzuki | Northern Mariana Islands | + 23.38″ |
| 87 | Gildas Koumondji | Benin | + 28.98″ |