| Swimming - Men's 100m Breaststroke Results |
| August 9 - Semifinal |
| 1 |
 |
Alexander Dale Oen, Norway |
59.16, Olympic Record |
| 2 |
 |
Kosuke Kitajima, Japan |
59.55 |
| 3 |
 |
Brenton Rickard, Australia |
59.65 |
| 4 |
 |
Hugues Duboscq, France |
59.83 |
| 5 |
 |
Brendan Hansen, United States |
59.94 |
| 6 |
 |
Roman Sludnov, Russia |
1:00.10 |
| 7 |
 |
Mark Gangloff, United States |
1:00.44 |
| 8 |
 |
Igor Borysik, Ukraine |
1:00.55 |
| 9 |
 |
Oleg Lisogor, Ukraine |
1:00.56 |
| 10 |
 |
Cameron Van Der Burgh, South Africa |
1:00.57 |
| 11 |
 |
Mihail Alexandrov, Bulgaria |
1:00.61 |
| 12 |
 |
Giedrius Titenis, Lithuania |
1:00.66 |
| 13 |
 |
Yuta Suenaga, Japan |
1:00.67 |
| 14 |
 |
Christian Sprenger, Australia |
1:00.76 |
| 15 |
 |
Christopher Cook, Great Britain |
1:00.81 |
| 16 |
 |
Damir Dugonjic, Slovenia |
1:00.92 |
| August 9 - Semifinal - Heat: 1 |
| 1 |
 |
Kosuke Kitajima, Japan |
59.55 |
| 2 |
 |
Brenton Rickard, Australia |
59.65 |
| 3 |
 |
Mark Gangloff, United States |
1:00.44 |
| 4 |
 |
Igor Borysik, Ukraine |
1:00.55 |
| 5 |
 |
Oleg Lisogor, Ukraine |
1:00.56 |
| 6 |
 |
Mihail Alexandrov, Bulgaria |
1:00.61 |
| 7 |
 |
Giedrius Titenis, Lithuania |
1:00.66 |
| 8 |
 |
Christian Sprenger, Australia |
1:00.76 |
| August 9 - Semifinal - Heat: 2 |
| 1 |
 |
Alexander Dale Oen, Norway |
59.16, Olympic Record |
| 2 |
 |
Hugues Duboscq, France |
59.83 |
| 3 |
 |
Brendan Hansen, United States |
59.94 |
| 4 |
 |
Roman Sludnov, Russia |
1:00.10 |
| 5 |
 |
Cameron Van Der Burgh, South Africa |
1:00.57 |
| 6 |
 |
Yuta Suenaga, Japan |
1:00.67 |
| 7 |
 |
Christopher Cook, Great Britain |
1:00.81 |
| 8 |
 |
Damir Dugonjic, Slovenia |
1:00.92 |
| August 9 - Preliminaries |
| 1 |
 |
Alexander Dale Oen, Norway |
59.41, Olympic Record |
| 2 |
 |
Kosuke Kitajima, Japan |
59.52 |
| 3 |
 |
Hugues Duboscq, France |
59.67 |
| 4 |
 |
Brenton Rickard, Australia |
59.89 |
| 5 |
 |
Cameron Van Der Burgh, South Africa |
59.96 |
| 6 |
 |
Giedrius Titenis, Lithuania |
1:00.11 |
| 7 |
 |
Roman Sludnov, Russia |
1:00.20 |
| 8 |
 |
Igor Borysik, Ukraine |
1:00.31 |
| 9 |
 |
Damir Dugonjic, Slovenia |
1:00.35 |
| 10 |
 |
Christian Sprenger, Australia |
1:00.36 |
| 10 |
 |
Brendan Hansen, United States |
1:00.36 |
| 12 |
 |
Oleg Lisogor, Ukraine |
1:00.65 |
| 13 |
 |
Yuta Suenaga, Japan |
1:00.67 |
| 14 |
 |
Mihail Alexandrov, Bulgaria |
1:00.69 |
| 15 |
 |
Christopher Cook, Great Britain |
1:00.70 |
| 16 |
 |
Mark Gangloff, United States |
1:00.71 |
| 17 |
 |
Vladislav Polyakov, Kazakhstan |
1:00.80 |
| 18 |
 |
Istvan Hunor Mate, Austria |
1:00.93 |
| 19 |
 |
Richard Bodor, Hungary |
1:00.97 |
| 20 |
 |
Mike Andrew Brown, Canada |
1:00.98 |
| 20 |
 |
Glenn Snyders, New Zealand |
1:00.98 |
| 22 |
 |
Felipe Silva, Brazil |
1:01.04 |
| 23 |
 |
Henrique Barbosa, Brazil |
1:01.11 |
| 24 |
 |
Daniel Gyurta, Hungary |
1:01.31 |
| 24 |
 |
Matjaz Markic, Slovenia |
1:01.31 |
| 26 |
 |
Thijs van Valkengoed, Netherlands |
1:01.32 |
| 27 |
 |
Kristopher Gilchrist, Great Britain |
1:01.34 |
| 28 |
 |
Mathieu Bois, Canada |
1:01.45 |
| 29 |
 |
Jiri Jedlicka, Czech Republic |
1:01.56 |
| 30 |
 |
Andrew Bree, Ireland |
1:01.76 |
| 31 |
 |
Valentin Preda, Romania |
1:01.77 |
| 31 |
 |
Jonas Andersson, Sweden |
1:01.77 |
| 33 |
 |
Daniel Velez, Puerto Rico |
1:01.80 |
| 34 |
 |
Dmitry Komornikov, Russia |
1:01.82 |
| 35 |
 |
Yevgeniy Ryzhkov, Kazakhstan |
1:01.83 |
| 35 |
 |
Borja Iradier, Spain |
1:01.83 |
| 37 |
 |
Melquiades Alvarez, Spain |
1:01.89 |
| 38 |
 |
Sandeep Sejwal, India |
1:02.19 |
| 39 |
 |
Demir Atasoy, Turkey |
1:02.25 |
| 40 |
 |
Caba Siladji, Serbia Republic |
1:02.31 |
| 41 |
 |
Genaro Prono, Paraguay |
1:02.32 |
| 42 |
 |
Vanja Rogulj, Croatia |
1:02.42 |
| 42 |
 |
Tom Beeri, Israel |
1:02.42 |
| 44 |
 |
Sofiane Daid, Algeria |
1:02.45 |
| 45 |
 |
Martti Aljand, Estonia |
1:02.46 |
| 46 |
 |
Xue Ruipeng, China |
1:02.48 |
| 47 |
 |
Jakob Johann Sveinsson, Iceland |
1:02.50 |
| 48 |
 |
Malick Fall, Senegal |
1:02.51 |
| 49 |
 |
Viktar Vabishchevich, Belarus |
1:03.29 |
| 50 |
 |
Romanos Iasonas Alyfantis, Greece |
1:03.39 |
| 51 |
 |
Alwin de Prins, Luxembourg |
1:03.64 |
| 52 |
 |
Sergio Andres Ferreyra, Argentina |
1:03.65 |
| 53 |
 |
Edgar Roberto Crespo Echeverria, Panama |
1:03.72 |
| 54 |
 |
Sergiu Postica, Moldova |
1:03.83 |
| 55 |
 |
Andrei Cross, Barbados |
1:04.57 |
| 56 |
 |
Ivan Demyanenko, Uzbekistan |
1:05.14 |
| 57 |
 |
Wael Koubrousli, Lebanon |
1:06.22 |
| 58 |
 |
Huu Viet Nguyen, Vietnam |
1:06.36 |
| 59 |
 |
Erik Rajohnson, Madagascar |
1:08.42 |
| 60 |
 |
Butekhuils Boldbaatar, Mongolia |
1:10.80 |
| 61 |
 |
Osama Mohammed Y E Alarag, Qatar |
1:10.83 |
| 62 |
 |
Mohammed Al-Habsi, Oman |
1:12.28 |
| 63 |
 |
Petero Okotai, Cook Islands |
1:20.20 |
| N/A |
 |
Mohammad Alirezaei, Iran |
DNS |
| N/A |
 |
Alessandro Terrin, Italy |
DQ |
| August 9 - Preliminaries - Heat: 1 |
| 1 |
 |
Osama Mohammed Y E Alarag, Qatar |
1:10.83 |
| 2 |
 |
Mohammed Al-Habsi, Oman |
1:12.28 |
| 3 |
 |
Petero Okotai, Cook Islands |
1:20.20 |
| August 9 - Preliminaries - Heat: 2 |
| 1 |
 |
Edgar Roberto Crespo Echeverria, Panama |
1:03.72 |
| 2 |
 |
Sergiu Postica, Moldova |
1:03.83 |
| 3 |
 |
Wael Koubrousli, Lebanon |
1:06.22 |
| 4 |
 |
Huu Viet Nguyen, Vietnam |
1:06.36 |
| 5 |
 |
Erik Rajohnson, Madagascar |
1:08.42 |
| 6 |
 |
Butekhuils Boldbaatar, Mongolia |
1:10.80 |
| August 9 - Preliminaries - Heat: 3 |
| 1 |
 |
Daniel Velez, Puerto Rico |
1:01.80 |
| 2 |
 |
Sandeep Sejwal, India |
1:02.19 |
| 3 |
 |
Genaro Prono, Paraguay |
1:02.32 |
| 4 |
 |
Malick Fall, Senegal |
1:02.51 |
| 5 |
 |
Alwin de Prins, Luxembourg |
1:03.64 |
| 6 |
 |
Sergio Andres Ferreyra, Argentina |
1:03.65 |
| 7 |
 |
Andrei Cross, Barbados |
1:04.57 |
| 8 |
 |
Ivan Demyanenko, Uzbekistan |
1:05.14 |
| August 9 - Preliminaries - Heat: 4 |
| 1 |
 |
Istvan Hunor Mate, Austria |
1:00.93 |
| 2 |
 |
Demir Atasoy, Turkey |
1:02.25 |
| 3 |
 |
Caba Siladji, Serbia Republic |
1:02.31 |
| 4 |
 |
Tom Beeri, Israel |
1:02.42 |
| 5 |
 |
Martti Aljand, Estonia |
1:02.46 |
| 6 |
 |
Xue Ruipeng, China |
1:02.48 |
| 7 |
 |
Jakob Johann Sveinsson, Iceland |
1:02.50 |
| N/A |
 |
Mohammad Alirezaei, Iran |
DNS |
| August 9 - Preliminaries - Heat: 5 |
| 1 |
 |
Mike Andrew Brown, Canada |
1:00.98 |
| 2 |
 |
Andrew Bree, Ireland |
1:01.76 |
| 3 |
 |
Valentin Preda, Romania |
1:01.77 |
| 3 |
 |
Jonas Andersson, Sweden |
1:01.77 |
| 5 |
 |
Yevgeniy Ryzhkov, Kazakhstan |
1:01.83 |
| 6 |
 |
Vanja Rogulj, Croatia |
1:02.42 |
| 7 |
 |
Sofiane Daid, Algeria |
1:02.45 |
| 8 |
 |
Viktar Vabishchevich, Belarus |
1:03.29 |
| August 9 - Preliminaries - Heat: 6 |
| 1 |
 |
Damir Dugonjic, Slovenia |
1:00.35 |
| 2 |
 |
Vladislav Polyakov, Kazakhstan |
1:00.80 |
| 3 |
 |
Matjaz Markic, Slovenia |
1:01.31 |
| 4 |
 |
Mathieu Bois, Canada |
1:01.45 |
| 5 |
 |
Jiri Jedlicka, Czech Republic |
1:01.56 |
| 6 |
 |
Borja Iradier, Spain |
1:01.83 |
| 7 |
 |
Melquiades Alvarez, Spain |
1:01.89 |
| N/A |
 |
Alessandro Terrin, Italy |
DQ |
| August 9 - Preliminaries - Heat: 7 |
| 1 |
 |
Alexander Dale Oen, Norway |
59.41, Olympic Record |
| 2 |
 |
Brenton Rickard, Australia |
59.89 |
| 3 |
 |
Cameron Van Der Burgh, South Africa |
59.96 |
| 4 |
 |
Christian Sprenger, Australia |
1:00.36 |
| 5 |
 |
Oleg Lisogor, Ukraine |
1:00.65 |
| 6 |
 |
Felipe Silva, Brazil |
1:01.04 |
| 7 |
 |
Henrique Barbosa, Brazil |
1:01.11 |
| 8 |
 |
Daniel Gyurta, Hungary |
1:01.31 |
| August 9 - Preliminaries - Heat: 8 |
| 1 |
 |
Kosuke Kitajima, Japan |
59.52 |
| 2 |
 |
Igor Borysik, Ukraine |
1:00.31 |
| 3 |
 |
Mihail Alexandrov, Bulgaria |
1:00.69 |
| 4 |
 |
Christopher Cook, Great Britain |
1:00.70 |
| 5 |
 |
Mark Gangloff, United States |
1:00.71 |
| 6 |
 |
Richard Bodor, Hungary |
1:00.97 |
| 7 |
 |
Glenn Snyders, New Zealand |
1:00.98 |
| 8 |
 |
Dmitry Komornikov, Russia |
1:01.82 |
| August 9 - Preliminaries - Heat: 9 |
| 1 |
 |
Hugues Duboscq, France |
59.67 |
| 2 |
 |
Giedrius Titenis, Lithuania |
1:00.11 |
| 3 |
 |
Roman Sludnov, Russia |
1:00.20 |
| 4 |
 |
Brendan Hansen, United States |
1:00.36 |
| 5 |
 |
Yuta Suenaga, Japan |
1:00.67 |
| 6 |
 |
Thijs van Valkengoed, Netherlands |
1:01.32 |
| 7 |
 |
Kristopher Gilchrist, Great Britain |
1:01.34 |
| 8 |
 |
Romanos Iasonas Alyfantis, Greece |
1:03.39 |