Swimming at the 2013 World Aquatics Championships – Men's 800 metre freestyle
# Swimming at the 2013 World Aquatics Championships – Men's 800 metre freestyle

The men's 800 metre freestyle event in swimming at the 2013 World Aquatics Championships took place on 30–31 July at the Palau Sant Jordi in Barcelona, Spain.

## Records

Prior to this competition, the existing world and championship records were:

| World record | Zhang Lin (CHN) | 7:32.12 | Rome, Italy | 29 July 2009 |
| - | - | - | - | - |
| Competition record | Zhang Lin (CHN) | 7:32.12 | Rome, Italy | 29 July 2009 |

## Results

### Heats

The heats were held at 10:54.

| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| - | - | - | - | - | - | - |
| 1 | 2 | 4 | Connor Jaeger | United States | 7:49.28 | Q |
| 2 | 3 | 4 | Sun Yang | China | 7:49.37 | Q |
| 3 | 4 | 4 | Ryan Cochrane | Canada | 7:49.58 | Q |
| 4 | 4 | 5 | Michael McBroom | United States | 7:50.62 | Q |
| 5 | 3 | 3 | Oussama Mellouli | Tunisia | 7:50.77 | Q |
| 6 | 2 | 8 | Pál Joensen | Faroe Islands | 7:50.81 | Q |
| 7 | 3 | 5 | Gregorio Paltrinieri | Italy | 7:52.33 | Q |
| 8 | 4 | 6 | Jordan Harrison | Australia | 7:52.55 | Q |
| 9 | 3 | 8 | Matias Koski | Finland | 7:54.70 | NR |
| 10 | 3 | 2 | Filip Zaborowski | Poland | 7:55.65 | |
| 11 | 2 | 5 | Gabriele Detti | Italy | 7:56.15 | |
| 12 | 4 | 3 | Daniel Fogg | Great Britain | 7:56.62 | |
| 13 | 4 | 2 | Sören Meissner | Germany | 7:56.64 | |
| 14 | 3 | 6 | Ayatsugu Hirai | Japan | 7:56.69 | |
| 15 | 3 | 1 | Marc Sánchez | Spain | 7:57.64 | |
| 16 | 4 | 7 | Devon Myles Brown | South Africa | 7:57.69 | |
| 17 | 4 | 1 | Damien Joly | France | 7:57.79 | |
| 18 | 2 | 3 | Serhiy Frolov | Ukraine | 7:58.70 | |
| 19 | 4 | 0 | Richárd Nagy | Slovakia | 7:59.69 | |
| 20 | 3 | 7 | Martin Grodzki | Germany | 8:00.36 | |
| 21 | 2 | 7 | Pawel Furtek | Poland | 8:00.56 | |
| 22 | 2 | 6 | Gergő Kis | Hungary | 8:00.92 | |
| 23 | 2 | 1 | David Brandl | Austria | 8:05.45 | |
| 24 | 3 | 9 | Uladzimir Zhyharau | Belarus | 8:05.51 | |
| 25 | 2 | 0 | Anton Sveinn McKee | Iceland | 8:08.71 | |
| 26 | 4 | 8 | Ahmed Akaram | Egypt | 8:08.73 | |
| 27 | 4 | 9 | Alejandro Gómez | Venezuela | 8:09.04 | |
| 28 | 3 | 0 | Arturo Pérez Vertti | Mexico | 8:09.23 | |
| 29 | 1 | 5 | Marcelo Acosta | El Salvador | 8:17.39 | |
| 30 | 1 | 4 | Jang Sang-Jin | South Korea | 8:18.51 | |
| 31 | 2 | 2 | Martin Naidich | Argentina | 8:20.53 | |
| 32 | 2 | 9 | Nezir Karap | Turkey | 8:21.31 | |
| 33 | 1 | 3 | Khader Baqleh | Jordan | 8:43.13 | |
| 34 | 1 | 6 | Brandon Schuster | Samoa | 9:27.45 | |

### Final

The final was held at 19:29.

| Rank | Lane | Name | Nationality | Time | Notes |
| - | - | - | - | - | - |
| | 5 | Sun Yang | China | 7:41.36 | |
| | 6 | Michael McBroom | United States | 7:43.60 | NR |
| | 3 | Ryan Cochrane | Canada | 7:43.70 | |
| 4 | 4 | Connor Jaeger | United States | 7:44.26 | |
| 5 | 8 | Jordan Harrison | Australia | 7:47.38 | |
| 6 | 1 | Gregorio Paltrinieri | Italy | 7:50.29 | |
| 7 | 7 | Pál Joensen | Faroe Islands | 7:52.57 | |
| 8 | 2 | Oussama Mellouli | Tunisia | 7:52.79 | |
