Rank Heat Lane Name Nationality Time Notes 1 3 4 Gregorio Paltrinieri Italy 7:45.31 Q 2 3 3 Wojciech Wojdak Poland 7:46.39 Q 3 3 5 Henrik Christiansen Norway 7:47.61 Q 4 3 1 Felix Auböck Austria 7:49.24 Q 5 4 3 Sun Yang China 7:49.28 Q 6 4 4 Gabriele Detti Italy 7:49.67 Q 7 4 1 Florian Wellbrock Germany 7:50.89 Q 8 4 2 Zane Grothe United States 7:50.97 Q 9 4 0 Ahmed Akram Egypt 7:51.41 10 3 6 Clark Smith United States 7:51.83 11 4 8 Victor Johansson Sweden 7:52.66 12 4 9 Anton Ipsen Denmark 7:53.37 13 4 7 Jack McLoughlin Australia 7:53.51 14 2 3 Marcelo Acosta El Salvador 7:55.70 15 2 1 Ferry Weertman Netherlands 7:56.44 16 4 6 Jan Micka Czech Republic 7:56.71 17 3 7 Qiu Ziao China 7:57.47 18 3 8 Ilya Druzhinin Russia 8:00.27 19 3 0 Martin Bau Slovenia 8:00.32 20 2 4 Richard Nagy Slovakia 8:01.42 21 3 2 Gergely Gyurta Hungary 8:03.87 22 2 2 Ricardo Vargas Mexico 8:04.17 23 3 9 Antonio Arroyo Spain 8:04.68 24 2 6 Dimitrios Negris Greece 8:05.88 25 2 8 Guilherme Pina Portugal 8:08.96 26 2 5 Martín Naidich Argentina 8:12.00 27 2 7 Marc Hinawi Israel 8:12.39 28 1 4 Óli Mortensen Faroe Islands 8:16.25 29 1 5 Constantinos Hadjittooulis Cyprus 8:23.30 30 1 3 Franci Aleksi Albania 8:37.23 31 4 5 Mack Horton Australia 99:99 !DNS