| Open water swimming at the 2003 World Aquatics Championships | |
|---|---|
| Host city | Barcelona, Spain |
| Venue(s) | Notre Dame Island |
| Events | 6 |
← 2001 2005 → | |
| 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.