# Swimming at the 2009 World Aquatics Championships – Men's 50 metre breaststroke

The heats for the men's 50 metre breaststroke race at the 2009 World Championships took place in the morning and evening of 28 July. The final took place in the evening session of 29 July at the Foro Italico in Rome, Italy.

## Records

Prior to this competition, the existing world and competition records were as follows:
| World record | Felipe França Silva (BRA) | 26.89 | Rio de Janeiro, Brazil | 8 May 2009 |
| Championship record | James Gibson (GBR) | 27.46 | Barcelona, Spain | 22 July 2003 |
The following records were established during the competition:
| Date | Round | Name | Nationality | Time | Record |
| 28 July | Heat 12 | Barry Murphy | Ireland | 27.26 | CR |
| 28 July | Heat 15 | Brenton Rickard | Australia | 27.15 | CR |
| 28 July | Heat 16 | Cameron van der Burgh | South Africa | 26.92 | CR |
| 28 July | Semifinal 1 | Felipe França Silva | Brazil | 26.92 | =CR |
| 28 July | Semifinal 2 | Cameron van der Burgh | South Africa | 26.74 | WR |
| 29 July | Final | Cameron van der Burgh | South Africa | 26.67 | WR |

## Results
### Heats

| Rank | Name | Nationality | Time | Heat | Lane | Notes |
| 1 | Cameron van der Burgh | South Africa | 26.92 | 16 | 4 | CR, AF |
| 2 | Felipe França Silva | Brazil | 27.12 | 17 | 4 | |
| 3 | Brenton Rickard | Australia | 27.15 | 15 | 2 | OC |
| 4 | Matjaž Markič | Slovenia | 27.19 | 17 | 3 | |
| 5 | Alessandro Terrin | Italy | 27.20 | 16 | 5 | NR |
| 5 | Dimitrios Xynadas | Greece | 27.20 | 17 | 7 | NR |
| 7 | Hendrik Feldwehr | Germany | 27.25 | 15 | 5 | NR |
| 8 | Barry Murphy | Ireland | 27.26 | 12 | 7 | NR |
| 9 | Mark Gangloff | USA | 27.27 | 15 | 3 | |
| 9 | Johannes Neumann | Germany | 27.27 | 16 | 3 | |
| 11 | Emil Tahirovič | Slovenia | 27.29 | 17 | 5 | |
| 12 | João Gomes Jr. | Brazil | 27.30 | 15 | 4 | |
| 13 | Čaba Silađi | Serbia | 27.35 | 14 | 5 | |
| 14 | Oleg Lisogor | Ukraine | 27.37 | 17 | 1 | |
| 15 | Viktor Vabishchevich | Belarus | 27.38 | 14 | 4 | |
| 16 | Yuki Honda | Japan | 27.43 | 15 | 6 | AS |
| 17 | Scott Dickens | Canada | 27.45 | 16 | 1 | NR |
| 18 | Igor Borysik | Ukraine | 27.48 | 15 | 7 | |
| 19 | Ryo Tateishi | Japan | 27.52 | 16 | 6 | |
| 20 | Giedrius Titenis | Lithuania | 27.57 | 13 | 0 | NR |
| 20 | Vladislav Polyakov | Kazakhstan | 27.57 | 15 | 1 | |
| 22 | Petr Bartunek | Czech Republic | 27.58 | 14 | 7 | |
| 23 | Filippo Magnini | Italy | 27.59 | 16 | 2 | |
| 24 | Michael Malul | Israel | 27.60 | 17 | 0 | |
| 25 | Lennart Stekelenburg | Netherlands | 27.63 | 16 | 8 | |
| 26 | Robin van Aggele | Netherlands | 27.64 | 17 | 2 | |
| 27 | Alejandro Jacobo | Mexico | 27.71 | 14 | 2 | NR |
| 28 | Glenn Snyders | New Zealand | 27.73 | 15 | 0 | NR |
| 29 | James Gibson | Great Britain | 27.78 | 13 | 5 | |
| 29 | Alexander Dale Oen | Norway | 27.78 | 17 | 8 | |
| 31 | Stanislav Lakhtyukhov | Russia | 27.79 | 13 | 2 | |
| 32 | Damien Courtois | Switzerland | 27.81 | 14 | 6 | |
| 33 | Indra Gunawan | Indonesia | 27.82 | 13 | 3 | |
| 33 | Mathieu Bois | Canada | 27.82 | 14 | 8 | |
| 35 | Yevgeniy Ryzhkov | Kazakhstan | 27.83 | 12 | 6 | |
| 36 | Sławomir Wolniak | Poland | 27.86 | 14 | 3 | NR |
| 37 | Christian Sprenger | Australia | 27.88 | 16 | 7 | |
| 38 | Sandeep Sejwal | India | 27.92 | 10 | 9 | |
| 39 | Dragos Agache | Romania | 27.93 | 16 | 9 | |
| 40 | Hunor Mate | Austria | 28.00 | 13 | 6 | NR |
| 41 | Jakob Sveinsson | Iceland | 28.03 | 11 | 3 | NR |
| 42 | Genaro Prono | Paraguay | 28.05 | 13 | 4 | |
| 43 | Kristopher Gilchrist | Great Britain | 28.07 | 11 | 7 | |
| 44 | Maxim Podoprigora | Austria | 28.09 | 12 | 9 | |
| 44 | Malick Fall | Senegal | 28.09 | 14 | 0 | |
| 46 | Grigory Falko | Russia | 28.10 | 11 | 4 | |
| 47 | Martti Aljand | Estonia | 28.14 | 15 | 9 | |
| 48 | Wang Shuai | China | 28.16 | 12 | 5 | |
| 49 | Martin Melconian | Uruguay | 28.22 | 12 | 1 | NR |
| 50 | Adam Klein | USA | 28.24 | 14 | 9 | |
| 51 | Thabang Moeketsane | South Africa | 28.27 | 12 | 8 | |
| 52 | Filipp Provorkov | Estonia | 28.39 | 10 | 7 | |
| 52 | Gonzalo Acuna | Argentina | 28.39 | 12 | 4 | NR |
| 54 | Dániel Gyurta | Hungary | 28.41 | 12 | 0 | |
| 55 | Ivan Demyanenko | Uzbekistan | 28.42 | 11 | 5 | |
| 56 | David Szele | Hungary | 28.47 | 15 | 8 | |
| 57 | Vaidotas Blazys | Lithuania | 28.52 | 10 | 2 | |
| 58 | Joshua Arreguin | Mexico | 28.58 | 13 | 1 | |
| 59 | Jorge Murillo | Colombia | 28.62 | 13 | 8 | NR |
| 60 | Parker Lam | Singapore | 28.66 | 10 | 1 | NR |
| 60 | Dinko Geshev | Bulgaria | 28.66 | 11 | 0 | |
| 60 | Andrew Bree | Ireland | 28.66 | 11 | 2 | |
| 63 | Benjamin Le Maguet | Switzerland | 28.72 | 12 | 3 | |
| 64 | Laurent Carnol | Luxembourg | 28.75 | 10 | 8 | |
| 65 | Xue Jiajia | China | 28.89 | 16 | 0 | |
| 66 | Chan Wing Lim Eric | Hong Kong | 28.96 | 10 | 5 | |
| 67 | Édgar Crespo | Panama | 29.01 | 13 | 9 | |
| 68 | Terrence Haynes | Barbados | 29.03 | 11 | 1 | |
| 69 | Rodion Davelaar | Netherlands Antilles | 29.04 | 7 | 6 | |
| 70 | Tomáš Klobučník | Slovakia | 29.08 | 10 | 3 | |
| 70 | Vorrawuti Aumpiwan | Thailand | 29.08 | 13 | 7 | |
| 72 | Diego Santander Caballero | Chile | 29.12 | 10 | 6 | |
| 73 | Daniel Velez | Puerto Rico | 29.16 | 8 | 4 | |
| 74 | Jani Rusi | Finland | 29.19 | 9 | 0 | |
| 75 | Ömer Aslanoğlu | Turkey | 29.23 | 11 | 6 | |
| 76 | Sergiu Postica | Moldova | 29.26 | 14 | 1 | |
| 77 | Sławomir Kuczko | Poland | 29.34 | 10 | 0 | |
| 78 | Renato Prono Fernandez | Paraguay | 29.37 | 11 | 8 | |
| 79 | Hocine Haciane | Andorra | 29.38 | 9 | 3 | NR |
| 80 | Agnishwar Jayaprakash | India | 29.39 | 8 | 2 | |
| 81 | Brad Hamilton | Jamaica | 29.40 | 8 | 9 | NR |
| 82 | Ng Jia Hao | Singapore | 29.41 | 9 | 4 | |
| 83 | Timothy Ferris | Zimbabwe | 29.48 | 7 | 4 | |
| 84 | Tudor Postolachi | Moldova | 29.53 | 9 | 5 | |
| 85 | Julian Fletcher | Bermuda | 29.56 | 7 | 5 | NR |
| 86 | Rainui Teriipaia | Tahiti | 29.57 | 9 | 6 | |
| 87 | Wong Chun Yan | Hong Kong | 29.61 | 9 | 2 | |
| 88 | Ma Chan Wai | Macau | 29.71 | 9 | 7 | |
| 89 | Abdulrahman Albader | Kuwait | 29.75 | 9 | 1 | |
| 90 | Pedro Luna Llamosas | Peru | 29.89 | 8 | 7 | NR |
| 91 | Nazih Mezayek | Jordan | 30.04 | 8 | 1 | |
| 92 | Eric Arturo Medina | Panama | 30.21 | 6 | 4 | |
| 93 | Wang Wei-Wen | Chinese Taipei | 30.40 | 9 | 9 | |
| 94 | Wael Koubrousli | Lebanon | 30.43 | 8 | 6 | |
| 95 | Byron Briedenhann | Namibia | 30.55 | 6 | 9 | |
| 95 | Andrea Agius | Malta | 30.55 | 7 | 7 | |
| 97 | Erik Rajohnson | Madagascar | 30.64 | 7 | 8 | |
| 98 | Hemra Nurmyradov | Turkmenistan | 30.72 | 9 | 8 | |
| 99 | Awolowo Shedrack | Nigeria | 30.82 | 7 | 3 | |
| 100 | Dmitrii Aleksandrov | Kyrgyzstan | 30.85 | 11 | 9 | |
| 101 | Mubarak Al-Besher | United Arab Emirates | 30.92 | 7 | 0 | |
| 102 | Maximilian Siedentopf | Namibia | 30.94 | 6 | 3 | |
| 103 | Andranik Harutyunyan | Armenia | 30.97 | 6 | 2 | |
| 104 | Vaughn Forsythe | Barbados | 31.06 | 6 | 5 | |
| 105 | Peter James Lynch | Zambia | 31.26 | 6 | 7 | |
| 106 | Humoud Alhumoud | Kuwait | 31.36 | 8 | 8 | |
| 107 | Boldbaatar Butekhuils | Mongolia | 31.41 | 8 | 5 | |
| 108 | Eli Ebenezer Wong | Northern Mariana Islands | 31.62 | 5 | 3 | NR |
| 109 | Filip Velkovski | Macedonia | 31.64 | 1 | 5 | |
| 110 | Diguan Pigot | Suriname | 31.70 | 6 | 6 | |
| 111 | Kevin Cheung | Mauritius | 31.80 | 5 | 5 | |
| 112 | Kailan Staal | Northern Mariana Islands | 31.90 | 5 | 4 | |
| 113 | Ian Bond Nakmai | Papua New Guinea | 31.93 | 6 | 0 | |
| 114 | Norayr Ghazaryan | Armenia | 32.08 | 7 | 9 | |
| 115 | Lao Kuan Fong | Macau | 32.11 | 7 | 1 | |
| 116 | Jamie Peterkin | Saint Lucia | 32.13 | 5 | 2 | NR |
| 116 | Ivo Chilaule | Mozambique | 32.13 | 5 | 7 | |
| 116 | Ronny Vencatachellum | Mauritius | 32.13 | 6 | 1 | |
| 119 | Petero Okotai | Cook Islands | 32.23 | 3 | 5 | |
| 120 | Timur Kartabaev | Kyrgyzstan | 32.28 | 8 | 3 | |
| 121 | Jonny Bishop | Marshall Islands | 32.64 | 4 | 4 | |
| 122 | Jurgen Fici | Albania | 33.08 | 5 | 6 | |
| 123 | Serdar Mopyyev | Turkmenistan | 33.16 | 5 | 8 | |
| 124 | Shailesh Shumsher Rana | Nepal | 33.42 | 5 | 1 | |
| 125 | Julien Brice | Saint Lucia | 33.46 | 4 | 1 | |
| 126 | Douglas Miller | Fiji | 33.53 | 5 | 9 | |
| 127 | Kerson Hadley | Federated States of Micronesia | 33.57 | 4 | 8 | |
| 127 | Ganzi Mugula | Uganda | 33.57 | 4 | 9 | |
| 129 | Evan Isam Jameel Balyos | Iraq | 33.60 | 3 | 6 | |
| 130 | Adama Ouedraogo | Burkina Faso | 33.93 | 2 | 0 | |
| 131 | Mark Paul Thompson | Zambia | 33.98 | 5 | 0 | |
| 132 | Ron Roucou | Seychelles | 34.28 | 4 | 2 | |
| 133 | Siu Kent Chung | Brunei | 34.53 | 4 | 7 | |
| 134 | Shawn Brady | Marshall Islands | 34.61 | 4 | 0 | |
| 135 | Dionisio Augustine | Federated States of Micronesia | 34.65 | 3 | 1 | |
| 136 | Mohamed Coulibaly | Mali | 35.10 | 2 | 5 | |
| 137 | Abib Sereme | Mali | 35.51 | 1 | 4 | |
| 138 | Sharif Kakooza | Uganda | 35.55 | 4 | 6 | |
| 139 | Omar Abdalla | Tanzania | 36.02 | 3 | 7 | |
| 140 | Ibrahim Maliki | Niger | 36.20 | 2 | 7 | |
| 141 | Robert Scanlan | American Samoa | 36.31 | 3 | 4 | |
| 142 | Boubacar Alou Moussa | Niger | 37.20 | 2 | 4 | |
| 143 | Inayath Hassan | Maldives | 37.42 | 3 | 2 | |
| 144 | Ousmane Nani | Niger | 37.91 | 2 | 8 | |
| 145 | Abdoulkader Houssein | Djibouti | 39.09 | 3 | 8 | |
| 146 | Enea Murataj | Albania | 40.17 | 3 | 3 | |
| 147 | Saido Kamilov | Tajikistan | 40.88 | 6 | 8 | |
| 148 | Pascal Zoundi | Burkina Faso | 42.08 | 1 | 3 | |
| – | Aiah Emerson Mansa Musai | Sierra Leone | DNS | 2 | 1 | |
| – | Abu Bakarr Jalloh | Sierra Leone | DNS | 2 | 2 | |
| – | Mamadou Cisse | Guinea | DNS | 2 | 3 | |
| – | Hassan Ahmed Harbi | Djibouti | DNS | 3 | 9 | |
| – | Habonimana Yves | Burundi | DNS | 4 | 3 | |
| – | Nduwimana Etienne | Burundi | DNS | 4 | 5 | |
| – | Mohammad Alirezaei | Iran | DNS | 17 | 9 | |
| – | Yacoub Bilal Salem | Mauritania | DSQ | 3 | 0 | |
| – | Hycinth Cijntje | Netherlands Antilles | DSQ | 7 | 2 | |
| – | Eric Williams | Nigeria | DSQ | 8 | 0 | |
| – | Nguyen Huu Viet | Vietnam | DSQ | 10 | 4 | |
| – | Sofiane Daid | Algeria | DSQ | 12 | 2 | |
| – | Eetu Karvonen | Finland | DSQ | 17 | 6 | |

### Semifinals

| Rank | Name | Nationality | Time | Heat | Lane | Notes |
| 1 | Cameron van der Burgh | South Africa | 26.74 | 2 | 4 | WR |
| 2 | Hendrik Feldwehr | Germany | 26.83 | 2 | 6 | ER |
| 3 | Felipe França Silva | Brazil | 26.92 | 1 | 4 | |
| 4 | Brenton Rickard | Australia | 27.13 | 2 | 5 | OC |
| 5 | João Gomes Jr. | Brazil | 27.16 | 1 | 7 | |
| 5 | Matjaž Markič | Slovenia | 27.16 | 1 | 5 | |
| 7 | Emil Tahirovič | Slovenia | 27.19 | 2 | 7 | |
| 8 | Mark Gangloff | United States | 27.24 | 2 | 2 | |
| 9 | Alessandro Terrin | Italy | 27.30 | 2 | 3 | |
| 9 | Viktor Vabishchevich | Belarus | 27.30 | 2 | 8 | |
| 11 | Oleg Lisogor | Ukraine | 27.33 | 1 | 1 | |
| 12 | Čaba Silađi | Serbia | 27.37 | 2 | 1 | |
| 13 | Barry Murphy | Ireland | 27.38 | 1 | 6 | |
| 14 | Dimitrios Xynadas | Greece | 27.40 | 1 | 3 | |
| 15 | Johannes Neumann | Germany | 27.43 | 1 | 2 | |
| 15 | Yuki Honda | Japan | 27.43 | 1 | 8 | =AS |

### Final

| Rank | Name | Nationality | Time | Lane | Notes |
| | Cameron van der Burgh | South Africa | 26.67 | 4 | WR |
| | Felipe França Silva | Brazil | 26.76 | 3 | AM |
| | Mark Gangloff | United States | 26.86 | 8 | NR |
| 4 | Hendrik Feldwehr | Germany | 26.95 | 5 | |
| 4 | Brenton Rickard | Australia | 26.95 | 6 | OC |
| 6 | Matjaž Markič | Slovenia | 27.10 | 7 | |
| 7 | Emil Tahirovič | Slovenia | 27.31 | 1 | |
| 7 | João Gomes Jr. | Brazil | 27.31 | 2 | |