| Event: | Men's 1500m Freestyle |
| Competition: | 2003 FINA World Aquatics Championships |
| Dates: | 26 July (prelims) 27 July (final) |
| Win Value: | 14 minute 43.14 seconds |
| Gold: | Grant Hackett |
| Goldnoc: | AUS |
| Silver: | Igor Chervynskyi |
| Silvernoc: | UKR |
| Bronze: | Erik Vendt |
| Bronzenoc: | USA |
| Prev: | 2001 |
| Next: | 2005 |
See main article: Swimming at the 2003 World Aquatics Championships.
The Men's 1500 metre Freestyle event at the 10th FINA World Aquatics Championships swam on July 26–27, 2003 in Barcelona, Spain. Preliminary heats swam in the morning session on July 26,[1] with the top-8 finishers advancing to swim again in the Final during the evening session on July 27.[2]
Prior to the start of the event, the existing World (WR) and Championship (CR) records were both:
| Place | Swimmer | Nation | Time | Notes |
|---|---|---|---|---|
| 1 | 14:43.14 | |||
| 2 | 15:01.04 | |||
| 3 | 15:01.28 | |||
| 4 | 15:05.04 | |||
| 5 | 15:08.25 | |||
| 6 | 15:12.64 | |||
| 7 | 15:13.28 | |||
| 8 | 15:13.98 | |||
| Rank | Heat+Lane | Swimmer | Nation | Time | Notes |
|---|---|---|---|---|---|
| 1 | H5 L4 | Grant Hackett | 15:08.79 | q | |
| 2 | H4 L3 | Graeme Smith | 15:12.74 | q | |
| 3 | H3 L4 | Erik Vendt | 15:13.41 | q | |
| 4 | H3 L3 | David Davies | 15:13.93 | q | |
| 5 | H5 L3 | Ihor Chervynskyi | 15:14.01 | q | |
| 6 | H3 L5 | Christian Minotti | 15:14.84 | q | |
| 7 | H4 L4 | Larsen Jensen | 15:15.63 | q | |
| 8 | H2 L4 | Paweł Korzeniowski | 15:16.07 | q | |
| 9 | H3 L2 | Kurtis MacGillivary | 15:17.02 | ||
| 10 | H4 L5 | Yuri Prilukov | 15:17.26 | ||
| 11 | H3 L6 | Thomas Lurz | 15:17.85 | ||
| 12 | H5 L1 | Alexey Filipets | 15:20.77 | ||
| 13 | H3 L8 | Bojan Zdešar | 15:22.31 | ||
| 14 | H5 L5 | Craig Stevens | 15:22.44 | ||
| 15 | H5 L2 | Andrew Hurd | 15:22.92 | ||
| 16 | H5 L8 | Hannes Kalteis | 15:24.77 | ||
| 17 | H3 L7 | Spyridon Gianniotis | 15:25.16 | ||
| 18 | H4 L2 | Shilo Ayalon | 15:26.86 | ||
| 19 | H5 L6 | Dragoș Coman | 15:33.04 | ||
| 20 | H5 L7 | Dzmitry Koptur | 15:34.24 | ||
| 21 | H4 L1 | Shunichi Fujita | 15:36.56 | ||
| 22 | H4 L8 | Lin Zhang | 15:37.03 | ||
| 23 | H2 L3 | Luiz Lima | 15:43.07 | ||
| 24 | H2 L5 | Bruno Bonfim | 15:48.41 | ||
| 25 | H4 L7 | Georgios Diamantidis | 15:49.56 | ||
| 26 | H1 L3 | Gian Carlo Zolezzi | 15:55.89 | ||
| 27 | H4 L6 | Cheng Yu | 16:02.74 | ||
| 28 | H2 L2 | Yi-Khy Saw | 16:03.81 | ||
| 29 | H2 L6 | Erwin Maldonado | 16:04.08 | ||
| 30 | H1 L4 | Mohammad Naeem Masri | 16:18.28 | ||
| 31 | H2 L1 | Raouf Benabid | 16:21.67 | ||
| 32 | H2 L7 | Kwok Leung Chung | 16:24.39 | ||
| 33 | H2 L8 | Roberto Peñailillo | 16:36.02 | ||
| 34 | H1 L5 | Jonathan Mauri | 16:53.32 | ||
| 35 | H1 L2 | Rony Bakale | 17:11.08 | ||
| 36 | H1 L6 | Ivan Grougnet | 17:35.25 | ||
| 37 | H1 L1 | Steven Mangroo | 17:35.84 | ||
| - | - | Nicolas Rostoucher | DNS | ||
| - | - | Jean-Luc Razakarivony | DNS | ||