At the
1904 Summer Olympics, nine
swimming events were contested.
50 yds Freestyle, Men
| Pos | Athlete |
| 1 | Zoltán Halmay (HUN) |
| 2 | Scott Leary (USA) |
| 3 | Charles Daniels (USA) |
100 yds Freestyle, Men
| Pos | Athlete |
| 1 | Zoltán Halmay (HUN) |
| 2 | Charles Daniels (USA) |
| 3 | Scott Leary (USA) |
220 yds Freestyle
| Pos | Athlete |
| 1 | Charles Daniels (USA) |
| 2 | Francis Gailey (USA) |
| 3 | Emil Rausch (GER) |
440 yds Freestyle, Men
| Pos | Athlete |
| 1 | Charles Daniels (USA) |
| 2 | Francis Gailey (USA) |
| 3 | Otto Wahle (AUT) |
880 yds Freestyle, Men
| Pos | Athlete |
| 1 | Emil Rausch (GER) |
| 2 | Francis Gailey (USA) |
| 3 | Géza Kiss (HUN) |
1 mile Free-style, Men
| Pos | Athlete |
| 1 | Emil Rausch (GER) |
| 2 | Géza Kiss (HUN) |
| 3 | Francis Gailey (USA) |
100 yds Backstroke, Men
| Pos | Athlete |
| 1 | Walter Brack (GER) |
| 2 | Georg Hoffmann (GER) |
| 3 | Georg Zacharias (GER) |
440 yds Breaststroke, Men
| Pos | Athlete |
| 1 | Georg Zacharias (GER) |
| 2 | Walter Brack (GER) |
| 3 | Jamison Handy (USA) |
4 x 50 yds Freestyle Relay, Men
| Pos | Athlete |
| 1 | New York Athletic Club 1 (USA) |
|
Joseph Ruddy, Leo Goodwin, Louis Handley, Charles Daniels |
| 2 | Chicago Athletic Association (USA) |
|
David Hammond, William Tuttle, Hugo Goetz, Raymond Thorne |
| 3 | Missouri Athletic Club (USA) |
|
Amedee Reyburn, Gwynne Evans, Marquard Schwarz, William Orthwein |
