Swimming at the 2004 Summer Games: Previous Summer Games ▪ Next Summer Games
Host City: Athina, Greece
Venue(s): Olympic Aquatic Centre, Athens Olympic Sports Complex Spiros Loues, Athina
Date Started: August 18, 2004
Date Finished: August 18, 2004
Format: Fastest eight advanced to the final.
| Gold: | Aaron Peirsol |
| Silver: | Markus Rogan |
| Bronze: | Răzvan Florea |
| Rank | Athlete | Age | Team | NOC | T | |
|---|---|---|---|---|---|---|
| 1 | James Goddard | 21 | Great Britain | GBR | 1:57.25 | QU |
| 2 | Răzvan Florea | 23 | Romania | ROU | 1:58.20 | QU |
| 3 | Simon Dufour | 25 | France | FRA | 1:58.96 | QU |
| 4 | Tomomi Morita | 19 | Japan | JPN | 1:59.52 | QU |
| 5 | Goran Kožulj | 27 | Croatia | CRO | 1:59.61 | |
| 6 | Arkady Vyachanin | 20 | Russia | RUS | 1:59.80 | |
| 7 | Jorge Sánchez | 27 | Spain | ESP | 2:00.12 | |
| 8 | Nathaniel O'Brien | 21 | Canada | CAN | 2:00.13 |
| Rank | Athlete | Age | Team | NOC | T | |
|---|---|---|---|---|---|---|
| 1 | Aaron Peirsol | 21 | United States | USA | 1:55.14 | QU/OR |
| 2 | Markus Rogan | 22 | Austria | AUT | 1:57.50 | QU |
| 3 | Gregor Tait | 25 | Great Britain | GBR | 1:58.75 | QU |
| 4 | Blaž Medvešek | 24 | Slovenia | SLO | 1:59.37 | QU |
| 5 | Bryce Hunt | 22 | United States | USA | 1:59.74 | |
| 6 | Keith Beavers | 21 | Canada | CAN | 1:59.98 | |
| 7 | Rogério Romero | 34 | Brazil | BRA | 2:00.48 | |
| 8 | Emanuele Merisi | 31 | Italy | ITA | 2:00.83 |