Heats
mardi 23 juillet 2019, 03h00 GMT – 03h00 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Adam Peaty | Great Britain | 26.28″ |
| 2 | João Gomes Júnior | Brazil | + 0.45″ |
| 2 |  Felipe Lima | Brazil | + 0.45″ |
| 4 | Emre Sakçi | Turkey | + 0.59″ |
| 4 |  Ilya Shymanovich | Belarus | + 0.59″ |
| 6 | Kirill Prigoda | Russia | + 0.65″ |
| 6 |  Zibei Yan | China | + 0.65″ |
| 8 |  Darragh Greene | Ireland | + 0.66″ |
| 9 | Andrey Nikolaev | Russia | + 0.71″ |
| 10 |  Nicolò Martinenghi | Italy | + 0.72″ |
| 11 |  Michael Andrew | United States | + 0.74″ |
| 12 | Fabio Scozzoli | Italy | + 0.83″ |
| 13 |  Tobias Bjerg | Denmark | + 0.85″ |
| 14 | Ties Elzerman | Netherlands | + 0.91″ |
| 15 | Nikola Obrovac | Croatia | + 0.99″ |
| 16 | Yasuhiro Koseki | Japan | + 1.05″ |
| 17 | Dmitriy Balandin | Kazakhstan | + 1.08″ |
| 18 | Lizhuo Wang | China | + 1.11″ |
| 19 |  Michael Houlie | South Africa | + 1.13″ |
| 20 | Anton McKee | Iceland | + 1.18″ |
| 21 | Bernhard Reitshammer | Austria | + 1.21″ |
| 22 | Peter John Stevens | Slovenia | + 1.22″ |
| 23 | Jae-Kwon Moon | Korea | + 1.29″ |
| 24 | Youssef Elkamash | Egypt | + 1.34″ |
| 25 | Itay Goldfaden | Israel | + 1.39″ |
| 25 |  Giedrius Titenis | Lithuania | + 1.39″ |
| 27 | Édgar Crespo | Panama | + 1.48″ |
| 28 | Richard Funk | Canada | + 1.5″ |
| 29 | Martin Allikvee | Estonia | + 1.51″ |
| 30 | Renato Prono | Paraguay | + 1.52″ |
| 31 | Martín Melconian | Uruguay | + 1.57″ |
| 32 | Vladislav Mustafin | Uzbekistan | + 1.62″ |
| 33 | Jimmy Deiparine | Philippines | + 1.63″ |
| 34 | Yannick Käser | Switzerland | + 1.71″ |
| 35 | Lachezar Shumkov | Bulgaria | + 1.72″ |
| 36 | Man Hou Chao | Macau, China | + 1.79″ |
| 37 | Kirill Vais | Kyrgyzstan | + 1.87″ |
| 38 | Tomáš Klobucník | Slovakia | + 1.92″ |
| 39 | Jan Kalusowski | Poland | + 1.98″ |
| 40 | Jorge Murillo | Colombia | + 2.08″ |
| 41 | Chun-Feng Wu | Chinese Taipei | + 2.15″ |
| 42 | Likith Prema | India | + 2.16″ |
| 43 |  Ari-Pekka Liukkonen | Finland | + 2.17″ |
| 44 | Lionel Khoo | Singapore | + 2.18″ |
| 45 | Josué Domínguez | Dominican Republic | + 2.22″ |
| 46 | Benjamin Schulte | Guam | + 2.45″ |
| 47 | Didzis Rudavs | Latvia | + 2.66″ |
| 48 | Nathaniel Yus Gagarin | Indonesia | + 2.69″ |
| 49 | Izaak Bastian | Bahamas | + 2.7″ |
| 50 | Marco Flores | Honduras | + 2.81″ |
| 51 | Adrian Robinson | Botswana | + 2.83″ |
| 52 | Rainier Rafaela | Curaçao | + 2.95″ |
| 53 | Santiago Cavanagh | Bolivia | + 2.98″ |
| 54 | Sébastien Kouma | Mali | + 2.99″ |
| 55 | Malcolm Richardson | Cook Islands | + 3.08″ |
| 56 | Amini Fonua | Tonga | + 3.45″ |
| 57 | Constantin Malachi | Moldova | + 3.48″ |
| 58 | Rashed Altarmoom | Kuwait | + 3.85″ |
| 58 | Giacomo Casadei | San Marino | + 3.85″ |
| 60 | Muis Ahmad | Brunei Darussalam | + 3.94″ |
| 61 | Zandan Gunsennorou | Mongolia | + 3.95″ |
| 61 | Jonathan Raharvel | Madagascar | + 3.95″ |
| 63 | Shane Cadogan | St. Vincent & the Grenadines | + 4.45″ |
| 64 | Slava Sihanouvong | Laos | + 5.83″ |
| 65 | Tendo Mukalazi | Uganda | + 6.36″ |
| 66 | Tindwendé Sawadogo | Burkina Faso | + 7.69″ |
| 67 | Clayment Lafiara | Solomon Islands | + 8.09″ |
| 68 | Izzeldin Ibrahim | Sudan | + 8.24″ |
| 69 | Momodou Saine | Gambia | + 8.36″ |
| 70 | Yaya Yeressa | Guinea | + 8.43″ |
| 71 | Gildas Koumondji | Benin | + 8.62″ |
| 72 | Abdelmalik Muktar | Ethiopia | + 8.89″ |
| 73 | Chris Mana | Rwanda | + 10.65″ |
| 74 | Hamid Rahimi | Afghanistan | + 11.2″ |
| 75 | Alie Kamara | Sierra Leone | + 11.51″ |
| 76 | Hakim Youssouf | Comoros | + 12.37″ |
| 77 | Darshan Koffi | Togo | + 14.11″ |
| 78 | Hollingsword Wolul | Vanuatu | + 15.16″ |
| Kumaren Naidu | Zambia | DQ | |
| Andrew Wilson | United States | DNF |