The Men's 800 metre freestyle competition at the 2017 World Championships was held on 25 and 26 July 2017.Schedule Start list

Records Prior to the competition, the existing world and championship records were as follows.

Results Heats The heats were held on 25 July at 10:31.Heats results Rank Heat Lane Name Nationality Time Notes 1 3 4 Gregorio Paltrinieri 7:45.31 Q 2 3 3 Wojciech Wojdak 7:46.39 Q 3 3 5 Henrik Christiansen 7:47.61 Q 4 3 1 Felix Auböck 7:49.24 Q, NR 5 4 3 Sun Yang 7:49.28 Q 6 4 4 Gabriele Detti 7:49.67 Q 7 4 1 Florian Wellbrock 7:50.89 Q 8 4 2 Zane Grothe 7:50.97 Q 9 4 0 Ahmed Akram 7:51.41 10 3 6 Clark Smith 7:51.83 11 4 8 Victor Johansson 7:52.66 NR 12 4 9 Anton Ipsen 7:53.37 13 4 7 Jack McLoughlin 7:53.51 14 2 3 Marcelo Acosta 7:55.70 15 2 1 Ferry Weertman 7:56.44 16 4 6 Jan Micka 7:56.71 17 3 7 Qiu Ziao 7:57.47 18 3 8 Ilya Druzhinin 8:00.27 19 3 0 Martin Bau 8:00.32 20 2 4 Richard Nagy 8:01.42 21 3 2 Gergely Gyurta 8:03.87 22 2 2 Ricardo Vargas 8:04.17 23 3 9 Antonio Arroyo 8:04.68 24 2 6 Dimitrios Negris 8:05.88 25 2 8 Guilherme Pina 8:08.96 26 2 5 Martín Naidich 8:12.00 27 2 7 Marc Hinawi 8:12.39 28 1 4 Óli Mortensen 8:16.25 29 1 5 Constantinos Hadjittooulis 8:23.30 30 1 3 Franci Aleksi 8:37.23 4 5 Mack Horton

Final The final was held on 26 July at 19:05.Final results

Rank Lane Name Nationality Time Notes 7 Gabriele Detti 7:40.77 ER 5 Wojciech Wojdak 7:41.73 NR 4 Gregorio Paltrinieri 7:42.44 4 3 Henrik Christiansen 7:44.21 NR 5 2 Sun Yang 7:48.87 6 6 Felix Auböck 7:51.20 7 1 Florian Wellbrock 7:52.27 8 8 Zane Grothe 7:52.43

References