Heats
lundi 24 juillet 2017, 10h27 GMT – 10h27 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Yang Sun | China | 1′ 45.78″ |
| 2 | James Guy | Great Britain | + 0.44″ |
| 3 | Mikhail Dovgalyuk | Russia | + 0.69″ |
| 4 |  Townley Haas | United States | + 0.72″ |
| 5 | Aleksandr Krasnykh | Russia | + 0.73″ |
| 6 |  Kacper Majchrzak | Poland | + 0.8″ |
| 7 | Duncan Scott | Great Britain | + 0.84″ |
| 8 |  Dominik Kozma | Hungary | + 1.05″ |
| 9 | Blake Pieroni | United States | + 1.1″ |
| 10 |  Danas Rapšys | Lithuania | + 1.15″ |
| 11 |  Mack Horton | Australia | + 1.19″ |
| 12 |  Velimir Stjepanovic | Serbia | + 1.27″ |
| 13 | Myles Brown | South Africa | + 1.31″ |
| 14 | Tae-Hwan Park | Korea | + 1.33″ |
| 15 | Naito Ehara | Japan | + 1.53″ |
| 16 | Marwan El Kamash | Egypt | + 1.62″ |
| 17 | Felix Auböck | Austria | + 1.62″ |
| 18 | Jan Switkowski | Poland | + 1.64″ |
| 19 | Khader Baqleh | Jordan | + 1.9″ |
| 20 | Clemens Rapp | Germany | + 1.91″ |
| 21 |  Kyle Stolk | Netherlands | + 1.93″ |
| 22 |  Jérémy Stravius | France | + 1.94″ |
| 23 | Matias Koski | Finland | + 1.97″ |
| 24 | Dylan Carter | Trinidad & Tobago | + 1.99″ |
| 25 | Péter Bernek | Hungary | + 2.01″ |
| 26 | Federico Grabich | Argentina | + 2.11″ |
| 27 |  Katsuhiro Matsumoto | Japan | + 2.14″ |
| 28 |  Filippo Megli | Italy | + 2.16″ |
| 29 | Matthew Stanley | New Zealand | + 2.24″ |
| 30 |  Nils Liess | Switzerland | + 2.29″ |
| 31 |  Pieter Timmers | Belgium | + 2.35″ |
| 32 |  Anders Lie Nielsen | Denmark | + 2.36″ |
| 33 | Cristian Quintero | Venezuela | + 2.44″ |
| 34 | Alexander Graham | Australia | + 2.89″ |
| 34 |  Poul Zellmann | Germany | + 2.89″ |
| 36 |  Victor Johansson | Sweden | + 2.96″ |
| 37 | Jordan Sloan | Ireland | + 3.39″ |
| 38 | Henrik Christiansen | Norway | + 3.53″ |
| 39 | Mikel Schreuders | Aruba | + 3.88″ |
| 40 | Quy Phuoc Hoang | Vietnam | + 4.09″ |
| 40 | Mokhtar Al-Yamani | Yemen | + 4.09″ |
| 42 |  Shun Wang | China | + 4.11″ |
| 43 | Michael Gunning | Jamaica | + 4.22″ |
| 44 |  Markus Thormeyer | Canada | + 4.45″ |
| 45 | Mohamed Lagili | Tunisia | + 4.55″ |
| 46 | Miguel Durán | Spain | + 4.56″ |
| 47 | Dimitrios Dimitriou | Greece | + 4.62″ |
| 48 | Marcelo Acosta | El Salvador | + 5.14″ |
| 49 | Kregor Zirk | Estonia | + 5.3″ |
| 50 | Khurshidjon Tursunov | Uzbekistan | + 5.35″ |
| 51 | Pit Brandenburger | Luxembourg | + 5.36″ |
| 52 | Igor Mogne | Mozambique | + 5.7″ |
| 53 | Wesley Roberts | Cook Islands | + 5.89″ |
| 54 |  Tomer Frankel | Israel | + 6.02″ |
| 55 | Ting Yao An | Chinese Taipei | + 6.31″ |
| 56 | Alex Sobers | Barbados | + 6.72″ |
| 57 | Mathieu Marquet | Mauritius | + 7.4″ |
| 58 | Kent Cheung | Hong Kong, China | + 8.79″ |
| 59 | Samuel Seghers | Papua New Guinea | + 9.09″ |
| 60 | Alexander Skinner | Namibia | + 9.21″ |
| 61 | Sizhuang Lin | Macau, China | + 9.34″ |
| 62 | Noah Mascoll-Gomes | Antigua and Barbuda | + 9.54″ |
| 63 | Matthew Lowe | Bahamas | + 9.93″ |
| 64 | Irakli Revishvili | Georgia | + 10.73″ |
| 65 | Klavio Meça | Albania | + 11.45″ |
| 66 | Yacob Al-Khulaifi | Qatar | + 12.54″ |
| 67 | Heriniavo Rasolonjatovo | Madagascar | + 15.22″ |
| 68 | Alfonso Durán | Honduras | + 15.29″ |
| 68 | Ado Gargovic | Montenegro | + 15.29″ |
| 70 | Dean Hoffman | Seychelles | + 16.84″ |
| 71 | Noel Keane | Palau | + 20.25″ |
| 72 | Tanner Poppe | Guam | + 25.49″ |
| 73 | Tong Li Panuve | Tonga | + 26.83″ |
 Chad Le Clos | South Africa | DNS | |
| Rashed Altarmoom | DNS |