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 Notes 1 Mark Warnecke 27.63 2 Mark Gangloff 27.71 3 Kosuke Kitajima Japan 27.78 4 Hugues Duboscq 27.87 5 Chris Cook 28.00 6 Valeriy Dymo 28.03 6 Emil Tahirovic 28.03 8 Brenton Rickard 28.27

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

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

References Worlds 2005 results: Men’s 50 m breaststroke Heats, from OmegaTiming.com (official timer of the 2005 Worlds); Retrieved 2011-01-21. Worlds 2005 results: Men’s 50 m breaststroke Semifinals, from OmegaTiming.com (official timer of the 2005 Worlds); Retrieved 2011-01-21. Worlds 2005 results: Men’s 50 m breaststroke Finals, from OmegaTiming.com (official timer of the 2005 Worlds); Retrieved 2011-01-21.