Swimming at the 2007 World Aquatics Championships – Men's 800 metre freestyle Heats Heats

| Rank_ | Heat_Lane | Name_ | Nationality | Time_ |
|---|---|---|---|---|
| 38 | 2 : 6 | Micky van der Vaart | Aruba | 8:39.17 |
| 39 | 1 : 4 | Neil Agius | Malta | 8:57.63 |
| 40 | 2 : 7 | Davor Trnovljakovic | Bosnia and Herzegovina | 9:01.70 |
| 41 | 1 : 5 | Heimanu Sichan | Tahiti | 9:09.79 |
| 42 | 2 : 1 | Timur Kartabaev | Kyrgyzstan | 9:27.31 |
| 43 | 1 : 3 | Cooper Graf | Northern Mariana Islands | 10:14.48 |
| 999 | 1 : 6 | Ibraihm Assah | Ghana | DNS |
| 999 | 2 : 2 | Anas Abuyousuf | Qatar | DNS |
| 999 | 5 : 3 | Andrew Hurd | Canada | DNS |