The Men's 100 Butterfly at the 2005 FINA World Aquatics Championships was swum 29 – 30 July 2005 in Montreal, Canada. Preliminary and Semifinals heats were held on 29 July, with the top-16 finishers from the Prelims in the mornings advancing to swim again in Semifinals that evening. The top-8 swimmers from the Semifinals then advanced to swim the race a third time in the Final the next evening (30 July).

This race consists of 2 lengths of butterfly, in the long course (50m) pool the event was swum in.

At the start of the event, the existing World (WR) and Championships (CR) records were: Record Time Swimmer Location Date WR 50.76 Ian Crocker, Long Beach, USA 13 July 2004 CR 50.98 Ian Crocker, Barcelona, Spain 26 July 2003

The following records were established during the competition: Date Round Swimmer Time WR CR July 30 Final Ian Crocker, 50.40 WR CR

Results

Final Place Swimmer Nation Time Notes Ian Crocker 50.40 WR Michael Phelps 51.65 Andriy Serdinov 52.08 4 Igor Marchenko 52.35 5 Evgeny Korotyshkin 52.87 5 Mike Mintenko 52.87 7 Kaio Almeida 53.13 8 Ryo Takayasu 53.28

Semifinals Place Heat+Lane Swimmer Nation Time Notes 1 S2 L4 Ian Crocker 51.08 q 2 S1 L4 Michael Phelps 52.02 q 3 S2 L5 Igor Marchenko 52.23 q 4 S1 L1 Evgeny Korotyshkin 52.68 q 5 S1 L5 Andriy Serdinov 52.75 q 6 S1 L2 Ryo Takayasu 52.84 q 7 S2 L2 Kaio Almeida 52.92 q 7 S2 L7 Mike Mintenko 52.92 q 9 S2 L8 Moss Burmester 53.00 10 S1 L3 Milorad Čavić 53.06 11 S1 L8 Romain Barnier 53.17 12 S2 L3 Thomas Rupprath 53.20 13 S1 L6 Gabriel Mangabeira 53.25 14 S1 L7 Ryuichi Shibata 53.34 15 S2 L1 Ryan Pini 53.36 16 S2 L6 Peter Mankoč 53.51

Preliminaries Rank Heat+Lane Swimmer Nation Time Notes 1 H11 L4 Ian Crocker 51.19 q 2 H12 L4 Michael Phelps 52.32 q 3 H11 L6 Igor Marchenko 52.76 q 4 H10 L4 Andriy Serdinov 52.94 q 5 H10 L3 Thomas Rupprath 53.03 q 6 H11 L5 Milorad Čavić 53.07 q 7 H11 L8 Peter Mankoč 53.13 q 8 H12 L5 Gabriel Mangabeira 53.15 q 9 H10 L6 Kaio Almeida 53.21 q 9 H12 L6 Ryo Takayasu 53.21 q 11 H11 L2 Mike Mintenko 53.26 q 12 H12 L1 Ryuichi Shibata 53.37 q 13 H12 L2 Ryan Pini 53.39 q 14 H10 L5 Evgeny Korotyshkin 53.41 q 15 H10 L7 Moss Burmester 53.42 q 16 H12 L7 Romain Barnier 53.43 q 17 H11 L7 Andrew Richards 53.55 18 H12 L3 Corney Swanepoel 53.62 19 H11 L1 Andrew Lauterstein 53.74 20 H10 L1 Ioan Gherghel 53.77 21 H10 L2 Denys Sylantyev 54.02 22 H11 L3 Helge Meeuw 54.13 23 H10 L8 Dzianis Silkov 54.49 24 H9 L4 Rustam Khudiyev 54.65 25 H7 L7 Guntars Deicmans 54.67 26 H12 L8 Jakob Andkjær 54.72 27 H9 L6 Georgi Palazov 54.74 28 H9 L8 Thomas Kindler 54.79 29 H9 L3 Ravil Nachaev 54.82 30 H9 L2 Romāns Miloslavskis 54.88 31 H9 L5 Jernej Mencinger 55.07 32 H7 L3 Gordon Touw Ngie Tjouw 55.12 33 H8 L1 Roman Krolov 55.15 34 H8 L8 Erez Feren 55.36 35 H8 L3 Jeong Nam Yu 55.37 35 H9 L7 Hjoertur Mar Reynisson 55.37 37 H7 L2 Julio Galofre 55.46 38 H6 L6 Jacob Carstensen 55.70 39 H8 L4 Nadav Kochavi 55.73 40 H8 L5 Mansoor Al-Mansoor 55.95 41 H8 L7 Oleg Lyashko 56.12 42 H7 L8 Yong Chung 56.20 43 H7 L1 Wing Cheun Wong 56.24 44 H6 L5 Shaune Fraser 56.26 45 H8 L6 Aghiles Slimani 56.46 46 H8 L2 Andy Wibowo 56.57 47 H5 L4 Jacinto Ayala 56.93 48 H5 L5 Jason Dunford 56.95 49 H4 L6 Miguel Navarro 57.20 50 H7 L6 Cheng Xun Ng 57.41 51 H5 L3 James Walsh 57.59 51 H6 L1 Waleed Al-Qahtani 57.59 53 H6 L8 Shawn Clarke 57.74 54 H4 L4 Michael O'Connor 58.02 55 H6 L7 Nguyen Thanh Hai 58.05 56 H5 L7 Zurab Khomasuridze 58.06 57 H5 L6 Basil Kaaki 58.10 58 H6 L3 Gary Tan 58.17 59 H7 L4 Ioannis Drymonakos 58.33 60 H7 L5 Chi-Chieh Hsu 58.38 61 H3 L4 Khaly Ciss 58.57 62 H5 L1 Scott Hensley 58.82 63 H6 L2 Joao Matias 58.93 64 H4 L5 Daniel Carrillo 58.96 65 H5 L8 Bader Almuhana 59.14 66 H4 L1 Alexander Ray 59.19 67 H6 L4 Édgar Crespo 59.23 68 H3 L3 Jared Heine 59.30 69 H3 L5 Sean Ehere 59.41 70 H1 L5 Yan Lin Aung 59.53 71 H3 L7 Rama Vyombo 59.55 72 H3 L8 Sunny Ayejoh 59.69 73 H2 L4 Morgan Locke 59.84 74 H4 L3 Brad Hamilton 1:00.13 75 H4 L2 Fernando Medrano 1:00.15 76 H4 L8 Francisco Montenegro 1:00.51 77 H1 L3 Tamatoa Ellacott 1:00.66 78 H3 L1 Graham Smith 1:00.71 79 H3 L6 Tunui Cowan 1:01.03 80 H3 L2 Reginaldo Panting 1:01.09 81 H2 L5 Marcelo Alba 1:01.78 82 H4 L7 Antonio Tong 1:01.96 83 H2 L3 Hisham Fadhul 1:02.53 84 H2 L6 Alain Brigion-Tobe 1:04.63 85 H2 L2 Jonathan Calderon 1:06.56 86 H1 L4 Remigio Chilanle 1:08.96 - H2 L7 Earlando McRae DQ - H5 L2 Ahmed Md Jewel DNS - H9 L1 Ahmed Salah DNS

References Worlds 2005 results: Men's 100m Butterfly Heats, from OmegaTiming.com (official timer of the 2005 Worlds); retrieved 2010-01-18. Worlds 2005 results: Men's 100m Butterfly Semifinals, from OmegaTiming.com (official timer of the 2005 Worlds); retrieved 2010-01-18. Worlds 2005 results: Men's 100m Butterfly Finals, from OmegaTiming.com (official timer of the 2005 Worlds); retrieved 2010-01-18.