# Swimming at the 2005 World Aquatics Championships – Men's 50 metre breaststroke

The Men's 50 Breaststroke event at the 11th FINA World Aquatics Championships swam 26 and 27 July 2005 in Montreal, Canada. Preliminary and Semifinal heats were on 26 July; the final was held on 27 July.
Prior to the competition, the existing World (WR) and Championships (CR) records were:
* WR: 27.18 swum by Oleg Lisogor (Ukraine) on 2 August 2002 in Berlin, Germany;
* CR: 27.46 swum by James Gibson (Great Britain) on 22 July 2003 in Barcelona, Spain.

## Results
### Final

| Place | Swimmer | Nation | Time |
| 1 | Mark Warnecke | Germany | 27.63 |
| 2 | Mark Gangloff | USA | 27.71 |
| 3 | Kosuke Kitajima | JPN Japan | 27.78 |
| 4 | Hugues Duboscq | France | 27.87 |
| 5 | Chris Cook | Great Britain | 28.00 |
| 6 | Valeriy Dymo | Ukraine | 28.03 |
| 6 | Emil Tahirovic | Slovenia | 28.03 |
| 8 | Brenton Rickard | Australia | 28.27 |

### Semifinals

| Rank | Heat/Lane | Swimmer | Nation | Time | Notes |
| 1 | S2 L5 | Hugues Duboscq | France | 27.73 | q |
| 2 | S2 L3 | Emil Tahirovič | Slovenia | 27.81 | q |
| 3 | S2 L2 | Kosuke Kitajima | Japan | 27.89 | q |
| 4 | S2 L4 | Mark Gangloff | USA | 27.90 | q |
| 5 | S1 L1 | Chris Cook | GBR | 27.91 | q |
| 6 | S1 L5 | Mark Warnecke | Germany | 27.96 | q |
| 7 | S2 L1 | Valeriy Dymo | Ukraine | 28.00 | q |
| 8 | S1 L2 | Brenton Rickard | Australia | 28.04 | q |
| 9 | S1 L7 | Mihály Flaskay | Hungary | 28.14 | |
| 10 | S1 L3 | Matjaž Markič | Slovenia | 28.16 | |
| 11 | S1 L6 | Martin Gustavsson | Sweden | 28.17 | |
| 12 | S1 L4 | James Gibson | Great Britain | 28.18 | |
| 13 | S2 L7 | Jens Kruppa | Germany | 28.23 | |
| 13 | S2 L8 | Jarno Pihlava | Finland | 28.23 | |
| 15 | S1 L8 | WANG Haibo | China | 28.33 | |
| 16 | S2 L6 | Remo Luetolf | Switzerland | 28.44 | |

### Preliminaries

| Rank | Heat/Lane | Swimmer | Nation | Time | Notes |
| 1 | H13 L8 | Mark Gangloff | United States | 27.49 | q |
| 2 | H14 L3 | James Gibson | Great Britain | 27.73 | q |
| 3 | H13 L6 | Hugues Duboscq | France | 27.79 | q |
| 4 | H14 L4 | Mark Warnecke | Germany | 27.80 | q |
| 5 | H13 L5 | Emil Tahirovič | Slovenia | 27.81 | q |
| 6 | H14 L5 | Matjaž Markič | Slovenia | 27.93 | q |
| 7 | H12 L6 | Remo Luetolf | Switzerland | 27.95 | q |
| 8 | H12 L8 | Martin Gustavsson | Sweden | 28.00 | q |
| 9 | H12 L3 | Kosuke Kitajima | Japan | 28.03 | q |
| 9 | H13 L3 | Brenton Rickard | Australia | 28.03 | q |
| 11 | H12 L2 | Jens Kruppa | Germany | 28.04 | q |
| 11 | H13 L1 | Mihály Flaskay | Hungary | 28.04 | q |
| 13 | H12 L1 | Valeriy Dymo | Ukraine | 28.05 | q |
| 14 | H12 L5 | Chris Cook | Great Britain | 28.06 | q |
| 15 | H13 L7 | Jarno Pihlava | Finland | 28.10 | q |
| 15 | H14 L2 | WANG Haibo | China | 28.10 | q |
| 17 | H10 L8 | Mihail Alexandrov | Bulgaria | 28.16 | |
| 18 | H12 L4 | Oleg Lisogor | Ukraine | 28.18 | |
| 19 | H11 L8 | Dzianis Silkov | Belarus | 28.25 | NR |
| 20 | H14 L8 | Scott Dickens | Canada | 28.38 | |
| 21 | H13 L2 | Daniel Málek | Czech Republic | 28.43 | |
| 22 | H11 L4 | Alexander Dale Oen | Norway | 28.48 | |
| 23 | H14 L6 | Mark Riley | Australia | 28.49 | |
| 23 | H14 L1 | Lennart Stekelenburg | Netherlands | 28.49 | |
| 25 | H13 L4 | Alessandro Terrin | Italy | 28.50 | |
| 26 | H11 L7 | Aleksander Hetland | Norway | 28.54 | |
| 26 | H14 L7 | Matthew Huang | Canada | 28.54 | |
| 28 | H11 L1 | Malick Fall | Senegal | 28.62 | |
| 29 | H11 L5 | Vladislav Polyakov | Kazakhstan | 28.69 | |
| 30 | H11 L6 | Genki Imamura | Japan | 28.70 | |
| 31 | H11 L3 | Mladen Tepavčević | Serbia and Montenegro | 28.71 | |
| 32 | H09 L6 | Arsenio López | Puerto Rico | 28.90 | |
| 33 | H11 L2 | Jakob Sveinsson | Iceland | 28.92 | |
| 34 | H10 L7 | Yevgeniy Ryzhkov | Kazakhstan | 28.93 | |
| 35 | H10 L6 | Scott Usher | United States | 28.96 | |
| 36 | H09 L3 | Alwin de Prins | Luxembourg | 29.02 | |
| 37 | H07 L7 | Mikalai Hancharov | Belarus | 29.12 | |
| 38 | H10 L5 | Glenn Snyders | New Zealand | 29.19 | |
| 39 | H09 L2 | Thabang Moeketsane | South Africa | 29.26 | |
| 40 | H10 L4 | HAN Tianji | China | 29.28 | |
| 41 | H10 L1 | Andrei Capitanciuc | Moldova | 29.40 | |
| 42 | H10 L2 | Sergei Postica | Moldova | 29.47 | |
| 43 | H10 L3 | Jiri Jedlicka | Czech Republic | 29.56 | |
| 44 | H05 L4 | Aleksandr Baldin | Estonia | 29.58 | |
| 45 | H09 L7 | Maksim Shilov | Uzbekistan | 29.61 | |
| 46 | H09 L5 | Vorrawuti Aumpiwan | Thailand | 29.68 | |
| 47 | H08 L8 | Terrence Haynes | Barbados | 29.73 | |
| 48 | H09 L8 | Alfonso Espinosa | Dominican Republic | 29.77 | |
| 49 | H07 L1 | Keun Min Jin | South Korea | 29.81 | |
| 50 | H09 L1 | Puneet Rana | India | 29.95 | |
| 51 | H06 L7 | Milan Glamocic | Bosnia and Herzegovina | 30.03 | |
| 52 | H07 L5 | Kyriakos Dimosthenous | Cyprus | 30.11 | |
| 53 | H06 L5 | Édgar Crespo | Panama | 30.25 | |
| 54 | H07 L4 | Chan Wai Ma | Macau | 30.26 | |
| 55 | H06 L6 | Antonio Leon | Paraguay | 30.28 | |
| 56 | H08 L7 | Herry Yudhianto | Indonesia | 30.29 | |
| 57 | H06 L4 | Eric Williams | Nigeria | 30.33 | |
| 58 | H06 L3 | Kevin Hensley | Virgin Islands | 30.38 | |
| 58 | H08 L4 | Andrey Morkovin | Uzbekistan | 30.38 | |
| 60 | H07 L6 | Mark Tan | Singapore | 30.45 | |
| 61 | H07 L8 | Chisela Kanchela | Zambia | 30.48 | |
| 62 | H04 L3 | Josh Laban | Virgin Islands | 30.50 | |
| 63 | H08 L1 | Mohamad Al-Naser | Kuwait | 30.66 | |
| 64 | H08 L2 | Su Jong Sin | South Korea | 30.68 | |
| 65 | H05 L5 | Ivane Lekvtadze | Georgia | 30.69 | |
| 66 | H05 L6 | Tom Be'eri | Israel | 30.72 | |
| 67 | H06 L2 | Leonard Tan | Singapore | 30.89 | |
| 68 | H08 L5 | WANG Wei-Wen | Chinese Taipei | 30.98 | |
| 69 | H05 L2 | Amar Shah | Kenya | 31.37 | |
| 70 | H06 L1 | Joao Matias | Angola | 31.38 | |
| 71 | H05 L3 | Khaly Ciss | Senegal | 31.45 | |
| 72 | H04 L4 | Erik Rajohnson | Madagascar | 31.62 | |
| 73 | H03 L6 | Aziz Abul | Pakistan | 31.66 | |
| 74 | H05 L8 | Youssef Hafdi | Morocco | 31.67 | |
| 75 | H05 L1 | Yousuf Alyousuf | Saudi Arabia | 31.70 | |
| 76 | H05 L7 | Tamatoa Ellacott | Tahiti | 31.90 | |
| 77 | H04 L5 | Sean Dehere | Barbados | 31.99 | |
| 78 | H04 L2 | Hei Meng Lao | Macau | 32.16 | |
| 79 | H04 L7 | Joel Refos | Suriname | 32.21 | |
| 80 | H04 L6 | Diego Foianini | Bolivia | 32.47 | |
| 81 | H06 L8 | Marc Dansou | Benin | 32.55 | |
| 82 | H04 L8 | Gordon Touw Ngie Tjouw | Suriname | 32.65 | |
| 83 | H04 L1 | Remigio Chilanle | Mozambique | 33.68 | |
| 84 | H03 L3 | Sadeq Damrah | Palestine | 33.97 | |
| 85 | H01 L3 | Joseph Kimani | Kenya | 34.31 | |
| 86 | H03 L5 | Alice Shrestha | Nepal | 34.61 | |
| 87 | H03 L4 | Khurlee Enkhmandakh | Mongolia | 34.84 | |
| 88 | H01 L6 | Earlando McRae | Guyana | 35.24 | |
| 89 | H02 L8 | Tony Augustine | Federated States of Micronesia | 35.29 | |
| 90 | H02 L2 | Ian Taylor | Marshall Islands | 35.50 | |
| 91 | H03 L2 | Bounthanom Vongphachanh | Laos | 35.91 | |
| 92 | H03 L1 | Boldbaatar Butekhuils | Mongolia | 36.12 | |
| 93 | H02 L4 | Connor Keith | Guam | 36.46 | |
| 94 | H03 L7 | Khaykeo Viengmany | Laos | 37.08 | |
| 95 | H02 L7 | Michael Taylor | Marshall Islands | 37.20 | |
| 96 | H02 L5 | Joshua Marfleet | Samoa | 38.59 | |
| 97 | H02 L1 | Yacoub Salem Bilal | Mauritania | 45.67 | |
| – | H03 L8 | Noah Mugenyi | Uganda | DQ | |
| – | – | Christian Tamini | Burkina Faso | DNS | |
| – | – | Romain Aziz Belemtougri | Burkina Faso | DNS | |
| – | – | Donnie Defeitas | Saint Vincent and the Grenadines | DNS | |
| – | – | A. Lamine Alhousseini | Niger | DNS | |
| – | – | Kodjovi Mawuena Kowouvi | Togo | DNS | |
| – | – | Patrick Chea | Liberia | DNS | |
| – | – | Ayman Khattab | Egypt | DNS | |
| – | – | Gibrilla Bamba | Sierra Leone | DNS | |
| – | – | Richilieu Jackson | Liberia | DNS | |
| – | – | Vanja Rogulj | Croatia | DNS | |