Swimming at the 2004 Summer Olympics – Men's 100 metre backstroke
Template:Short description Template:Infobox Olympic event Template:Sidebar games events
The men's 100 metre backstroke event at the 2004 Olympic Games was contested at the Olympic Aquatic Centre of the Athens Olympic Sports Complex in Athens, Greece on August 15 and 16.<ref name="Swimming schedule">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>
U.S. swimmer Aaron Peirsol won a gold medal in this event, outside an Olympic record time of 54.06 seconds. Markus Rogan captured Austria's first ever medal in swimming after a hundred years, earning the silver at 54.35. Japan's Tomomi Morita, on the other hand, edged out defending Olympic champion and world record holder Lenny Krayzelburg to take a bronze by two hundredths of a second (0.02), breaking an Asian record time of 54.36 seconds.<ref>Template:Cite news</ref><ref>Template:Cite news</ref>
Records
Prior to this competition, the existing world and Olympic records were as follows:
Results
Heats
Semifinals
Semifinal 1
| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 4 | Aaron Peirsol | Template:FlagIOC | 54.34 | Q |
| 2 | 5 | Markus Rogan | Template:FlagIOC | 54.42 | Q |
| 3 | 3 | Steffen Driesen | Template:FlagIOC | 54.64 | Q |
| 4 | 2 | Ouyang Kunpeng | Template:FlagIOC | 55.28 | |
| 5 | 1 | Gregor Tait | Template:FlagIOC | 55.31 | |
| 6 | 7 | Gerhard Zandberg | Template:FlagIOC | 55.76 | |
| 7 | 8 | Gordan Kožulj | Template:FlagIOC | 56.02 | |
| 8 | 6 | Alex Lim | Template:FlagIOC | 56.08 |
Semifinal 2
| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 4 | Tomomi Morita | Template:FlagIOC | 54.62 | Q |
| 2 | 3 | Lenny Krayzelburg | Template:FlagIOC | 54.63 | Q |
| 3 | 2 | Matt Welsh | Template:FlagIOC | 54.69 | Q |
| 4 | 5 | László Cseh | Template:FlagIOC | 54.86 | Q |
| 5 | 7 | Marco di Carli | Template:FlagIOC | 55.03 | Q |
| 6 | 6 | Arkady Vyatchanin | Template:FlagIOC | 55.20 | |
| 7 | 8 | Răzvan Florea | Template:FlagIOC | 55.27 | |
| 8 | 1 | Simon Dufour | Template:FlagIOC | 56.15 |
Final
| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| Template:Gold01 | 4 | Aaron Peirsol | Template:FlagIOC | 54.06 | |
| Template:Silver02 | 5 | Markus Rogan | Template:FlagIOC | 54.35 | |
| Template:Bronze03 | 3 | Tomomi Morita | Template:FlagIOC | 54.36 | AS |
| 4 | 6 | Lenny Krayzelburg | Template:FlagIOC | 54.38 | |
| 5 | 7 | Matt Welsh | Template:FlagIOC | 54.52 | |
| 6 | 1 | László Cseh | Template:FlagIOC | 54.61 | |
| 7 | 2 | Steffen Driesen | Template:FlagIOC | 54.63 | |
| 8 | 8 | Marco di Carli | Template:FlagIOC | 55.27 |