| 2003 FINA World Championships | ||
|---|---|---|
| Diving | ||
| Individual | ||
| 1 m | men | women |
| 3 m | men | women |
| 10 m | men | women |
| Synchronised | ||
| 3 m | men | women |
| 10 m | men | women |
| Open water swimming | ||
| 5 km | men | women |
| 10 km | men | women |
| 25 km | men | women |
| Swimming | ||
| Freestyle | ||
| 50 m | men | women |
| 100 m | men | women |
| 200 m | men | women |
| 400 m | men | women |
| 800 m | men | women |
| 1500 m | men | women |
| Backstroke | ||
| 50 m | men | women |
| 100 m | men | women |
| 200 m | men | women |
| Breaststroke | ||
| 50 m | men | women |
| 100 m | men | women |
| 200 m | men | women |
| Butterfly | ||
| 50 m | men | women |
| 100 m | men | women |
| 200 m | men | women |
| Individual medley | ||
| 200 m | men | women |
| 400 m | men | women |
| Freestyle relay | ||
| 4×100 m | men | women |
| 4×200 m | men | women |
| Medley relay | ||
| 4×100 m | men | women |
| Synchronised swimming | ||
| Solo | ||
| Free | women | |
| Duet | ||
| Free | women | |
| Team | ||
| Free | women | |
| Combination | women | |
| Water polo | ||
| Tournament | men | women |
These are the results of the open water swimming competition at the 2003 World Aquatics Championships, which took place in Barcelona, Spain.
| Rank | Nation | Gold | Silver | Bronze | Total |
|---|---|---|---|---|---|
| 1 |  Russia (RUS) | 3 | 0 | 1 | 4 |
| 2 |  Italy (ITA) | 2 | 0 | 0 | 2 |
| 3 |  Netherlands (NED) | 1 | 0 | 1 | 2 |
| 4 |  Germany (GER) | 0 | 4 | 2 | 6 |
| 5 |  Spain (ESP) | 0 | 1 | 1 | 2 |
| 6 |  Czech Republic (CZE) | 0 | 1 | 0 | 1 |
| 7 |  Bulgaria (BUL) | 0 | 0 | 1 | 1 |
| Totals (7 entries) | 6 | 6 | 6 | 18 | |
| Event | Gold | Silver | Bronze |
| 5 km |
Evgeni Kochkarov (RUS) 53.11.9 |
Christian Hein (GER) 53.13.9 |
Vladimir Dyatchin (RUS) 53.14.8 |
| 10 km |
Vladimir Dyatchin (RUS) 1:50.58.8 |
Christian Hein (GER) 1:51.06.5 |
David Meca (ESP) 1:51.08.4 |
| 25 km |
Yuri Kudinov (RUS) 5:02.20.0 |
David Meca (ESP) 5:02.20.4 |
Petar Stoychev (BUL) 5:02.20.6 |
| Event | Gold | Silver | Bronze |
| 5 km |
Viola Valli (ITA) 57.01.2 |
Jana Pechanová (CZE) 57.03.9 |
Britta Kamrau (GER) 57.06.4 |
| 10 km |
Viola Valli (ITA) 1:59.49.9 |
Angela Maurer (GER) 1:59.51.1 |
Edith van Dijk (NED) 1:59.53.0 |
| 25 km |
Edith van Dijk (NED) 5:35.43.5 |
Britta Kamrau (GER) 5:35.46.1 |
Angela Maurer (GER) 5:35.46.5 |