Heats
Sunday, July 23, 2017, 11:34am GMT – 11:34am GMT
| Name | Team | Times | |
|---|---|---|---|
| 1 |  Adam Peaty | Great Britain | 58.21″ |
| 2 | Cody Miller | United States | + 0.93″ |
| 3 | Kevin Cordes | United States | + 0.94″ |
| 4 | João Gomes Júnior | Brazil | + 1.03″ |
| 5 |  Nicolò Martinenghi | Italy | + 1.12″ |
| 6 | Kirill Prigoda | Russia | + 1.15″ |
| 7 | Ross Murdoch | Great Britain | + 1.3″ |
| 8 | Vsevolod Zanko | Russia | + 1.35″ |
| 9 |  Zibei Yan | China | + 1.4″ |
| 10 |  Felipe Lima | Brazil | + 1.41″ |
| 11 | Yasuhiro Koseki | Japan | + 1.55″ |
| 12 |  Giedrius Titenis | Lithuania | + 1.58″ |
| 13 |  Ilya Shymanovich | Belarus | + 1.63″ |
| 14 | Richard Funk | Canada | + 1.68″ |
| 15 | Andrius Šidlauskas | Lithuania | + 1.7″ |
| 16 |  Arno Kamminga | Netherlands | + 1.74″ |
| 17 | Xiang Li | China | + 1.76″ |
| 18 | Fabio Scozzoli | Italy | + 1.87″ |
| 18 |  Erik Persson | Sweden | + 1.87″ |
| 20 | Daniel Cave | Australia | + 2.01″ |
| 21 | Dmitriy Balandin | Kazakhstan | + 2.04″ |
| 22 | Ippei Watanabe | Japan | + 2.05″ |
| 23 | Caba Siladji | Serbia | + 2.07″ |
| 24 | Yannick Käser | Switzerland | + 2.32″ |
| 25 | Christian Vom Lehn | Germany | + 2.39″ |
| 26 | Dániel Gyurta | Hungary | + 2.55″ |
| 27 | Marcin Stolarski | Poland | + 2.58″ |
| 28 | Carlos Claverie | Venezuela | + 2.62″ |
| 29 | Tomáš Klobucník | Slovakia | + 2.75″ |
| 30 | Jorge Murillo | Colombia | + 3.3″ |
| 31 | Nicholas Quinn | Ireland | + 3.35″ |
| 32 | Édgar Crespo | Panama | + 3.53″ |
| 33 | Youssef Elkamash | Egypt | + 3.6″ |
| 34 | Jaeyoun Kim | Korea | + 3.65″ |
| 35 | Laurent Carnol | Luxembourg | + 3.7″ |
| 36 |  Matti Mattsson | Finland | + 3.71″ |
| 37 | Miguel de Lara | Mexico | + 3.72″ |
| 38 | Ioannis Karpouzlis | Greece | + 3.74″ |
| 39 | Lachezar Shumkov | Bulgaria | + 3.75″ |
| 40 | Emre Sakçi | Turkey | + 3.94″ |
| 41 | Christopher Rothbauer | Austria | + 4.01″ |
| 42 | Azad Al-Barazi | Syria | + 4.05″ |
| 43 | Man Hou Chao | Macau, China | + 4.28″ |
| 44 | Renato Prono | Paraguay | + 4.6″ |
| 45 | Nikola Obrovac | Croatia | + 4.69″ |
| 46 | Jordy Groters | Aruba | + 4.74″ |
| 47 | Peter John Stevens | Slovenia | + 4.82″ |
| 48 | Denis Petrashov | Kyrgyzstan | + 4.93″ |
| 49 | Jimmy Deiparine | Philippines | + 5.01″ |
| 50 | Daniils Bobrovs | Latvia | + 5.25″ |
| 51 | James Lawson | Zimbabwe | + 5.31″ |
| 52 | Marc Rojas | Dominican Republic | + 5.44″ |
| 53 | Santiago Cavanagh | Bolivia | + 6.37″ |
| 54 | Sébastien Kouma | Mali | + 6.82″ |
| 55 | Epeli Herbert Jordan Rabua | Fiji | + 6.91″ |
| 56 | Evghenii Paponin | Moldova | + 6.95″ |
| 56 | Greg Penny | Virgin Islands | + 6.95″ |
| 58 | Mario Ervedosa | Angola | + 7.07″ |
| 59 | Santiago Saint-Upery | Uruguay | + 7.09″ |
| 60 | Arnoldo Herrera | Costa Rica | + 7.4″ |
| 61 | Amro Al-Wir | Jordan | + 7.49″ |
| 62 | Rainier Rafaela | Curaçao | + 8.75″ |
| 63 | Róland Toftum | Faroe Islands | + 9.01″ |
| 64 | Filipe Gomes | Malawi | + 9.16″ |
| 65 | Ashley Seeto | Papua New Guinea | + 9.38″ |
| 66 | Muis Ahmad | Brunei Darussalam | + 9.89″ |
| 67 | Corey Ollivierre | Grenada | + 9.96″ |
| 68 | Alex Axiotis | Zambia | + 10.29″ |
| 69 | Otto Borgards | El Salvador | + 12.41″ |
| 70 | Shuvam Shrestha | Nepal | + 13.13″ |
| 71 | Abdulmalik Ben Musa | Libya | + 13.79″ |
| 72 | Christian Villacrusis | Northern Mariana Islands | + 18.49″ |
| 73 | Alassane Seydou Lancina | Niger | + 24.33″ |
| Alpha Oumar Diallo | Guinea | DNS | |
| Hsuan-Yen Lee | Chinese Taipei | DQ | |
| Wassim Elloumi | Tunisia | DNS | |
| Jegan Jobe | Gambia | DNS | |
| Dasar Xhambazi | Kosovo | DNS | |
 Cameron van der Burgh | South Africa | DNS | |
| Adama Thiaw Ndir | Senegal | DNS |