Rank Heat Lane Name Nationality Time Notes 1 8 4 Sun Yang China 1:45.78 Q 2 8 5 Guy, JamesJames Guy Great Britain 1:46.22 Q 3 7 7 Dovgalyuk, MikhailMikhail Dovgalyuk Russia 1:46.47 Q 4 7 4 Haas, TownleyTownley Haas United States 1:46.50 Q 5 6 5 Krasnykh, AleksandrAleksandr Krasnykh Russia 1:46.51 Q 6 8 6 Majchrzak, KacperKacper Majchrzak Poland 1:46.58 Q 7 8 3 Scott, DuncanDuncan Scott Great Britain 1:46.62 Q 8 7 2 Kozma, DominikDominik Kozma Hungary 1:46.83 Q 9 7 6 Pieroni, BlakeBlake Pieroni United States 1:46.88 Q 10 6 1 Rapšys, DanasDanas Rapšys Lithuania 1:46.93 Q, NR 11 6 2 Horton, MackMack Horton Australia 1:46.97 Q 12 7 3 Stjepanović, VelimirVelimir Stjepanović Serbia 1:47.05 Q 13 6 6 Brown, MylesMyles Brown South Africa 1:47.09 Q 14 6 4 Park Tae-hwan South Korea 1:47.11 Q 15 8 7 Ehara, NaitoNaito Ehara Japan 1:47.31 Q 16 5 4 El-Kamash, MarwanMarwan El-Kamash Egypt 1:47.40 Q, NR 6 8 Auböck, FelixFelix Auböck Austria 18 6 7 Świtkowski, JanJan Świtkowski Poland 1:47.42 19 5 1 Baqlah, KhaderKhader Baqlah Jordan 1:47.68 20 5 6 Rapp, ClemensClemens Rapp Germany 1:47.69 21 5 7 Stolk, KyleKyle Stolk Netherlands 1:47.71 22 6 3 Stravius, JérémyJérémy Stravius France 1:47.72 23 8 1 Koski, MatiasMatias Koski Finland 1:47.75 24 5 8 Carter, DylanDylan Carter Trinidad and Tobago 1:47.77 25 6 9 Bernek, PéterPéter Bernek Hungary 1:47.79 26 6 0 Grabich, FedericoFederico Grabich Argentina 1:47.89 27 5 5 Matsumoto, KatsuhiroKatsuhiro Matsumoto Japan 1:47.92 28 7 0 Megli, FilippoFilippo Megli Italy 1:47.94 29 8 0 Stanley, MatthewMatthew Stanley New Zealand 1:48.02 30 4 2 Liess, NilsNils Liess Switzerland 1:48.07 31 8 8 Timmers, PieterPieter Timmers Belgium 1:48.13 32 5 3 Lie, AndersAnders Lie Denmark 1:48.14 33 7 1 Quintero, CristianCristian Quintero Venezuela 1:48.22 34 7 8 Zellmann, PoulPoul Zellmann Germany 1:48.67 8 9 Graham, AlexanderAlexander Graham Australia 36 4 7 Johansson, VictorVictor Johansson Sweden 1:48.74 37 7 9 Sloan, JordanJordan Sloan Ireland 1:49.17 38 4 1 Christiansen, HenrikHenrik Christiansen Norway 1:49.31 39 3 7 Schreuders, MikelMikel Schreuders Aruba 1:49.66 40 4 8 Al-Yamani, MokhtarMokhtar Al-Yamani Yemen 1:49.87 5 9 Hoàng Quý Phước Vietnam 42 8 2 Wang Shun China 1:49.89 43 3 5 Gunning, MichaelMichael Gunning Jamaica 1:50.00 44 5 2 Thormeyer, MarkusMarkus Thormeyer Canada 1:50.23 45 4 6 Lagili, MohamedMohamed Lagili Tunisia 1:50.33 46 4 5 Durán, MiguelMiguel Durán Spain 1:50.34 47 4 4 Dimitriou, DimitriosDimitrios Dimitriou Greece 1:50.40 48 4 9 Acosta, MarceloMarcelo Acosta El Salvador 1:50.92 49 3 4 Zirk, KregorKregor Zirk Estonia 1:51.08 50 4 3 Tursunov, KhurshidjonKhurshidjon Tursunov Uzbekistan 1:51.13 51 3 3 Brandenburger, PitPit Brandenburger Luxembourg 1:51.14 52 3 1 Mogne, IgorIgor Mogne Mozambique 1:51.48 53 3 2 Roberts, WesleyWesley Roberts Cook Islands 1:51.67 54 5 0 Frankel, TomerTomer Frankel Israel 1:51.80 55 4 0 An Ting-yao Chinese Taipei 1:52.09 56 3 8 Sobers, AlexAlex Sobers Barbados 1:52.50 57 2 2 Marquet, MathieuMathieu Marquet Mauritius 1:53.18 NR 58 3 6 Cheung, KentKent Cheung Hong Kong 1:54.58 59 2 5 Seghers, SamSam Seghers Papua New Guinea 1:54.87 60 2 4 Skinner, XanderXander Skinner Namibia 1:54.99 61 2 6 Lin Sizhuang Macau 1:55.12 62 3 0 Mascoll-Gomes, NoahNoah Mascoll-Gomes Antigua and Barbuda 1:55.32 63 2 3 Lowe, MatthewMatthew Lowe Bahamas 1:55.71 64 3 9 Revishvili, IrakliIrakli Revishvili Georgia 1:56.51 65 1 6 Meça, KlavioKlavio Meça Albania 1:57.23 66 1 4 Al-Khulaifi, YacobYacob Al-Khulaifi Qatar 1:58.32 67 2 8 Rasolonjatovo, HeriniavoHeriniavo Rasolonjatovo Madagascar 2:01.00 68 2 1 Alfonso, DuranDuran Alfonso Honduras 2:01.07 2 7 Gargović, AdoAdo Gargović Montenegro 70 1 5 Hoffman, DeanDean Hoffman Seychelles 2:02.62 71 2 9 Keane, NoelNoel Keane Palau 2:06.03 72 2 0 Poppe, TannerTanner Poppe Guam 2:11.27 73 1 3 Panuve, TongliTongli Panuve Tonga 2:12.61 75 ! 1 2 Al-Tarmoom, RashedRashed Al-Tarmoom Suspended Member Federation DNS 7 5 le Clos, ChadChad le Clos South Africa