The Men's 400m Individual Medley (or "I.M.") event at the 2005 FINA World Aquatics Championships was swum on 31 July 2005 in Montreal, Quebec, Canada. Preliminary heats were held in the day's morning session, with the top-8 finishers advancing to swim again in the event's final that evening.
Prior to the competition, the existing World (WR) and Championship (CR) records were as follows. WR: 4:08.26 swum by Michael Phelps (USA) on 14 August 2004 in Athens, Greece. CR: 4:09.09 swum by Michael Phelps (USA) on 27 July 2003 in Barcelona, Spain
Results Final Place Swimmer Nation Time Notes 1 László Cseh Hungary 4:09.63 2 Luca Marin Italy 4:11.67 3 Oussama Mellouli Tunisia 4:13.47 4 Alessio Boggiatto Italy 4:13.48 5 Ryan Lochte USA 4:13.67 6 Hidemasa Sano Japan 4:17.72 7 Robert Margalis USA 4:17.93 8 Ioannis Drymonakos Greece 4:19.12
Preliminaries Rank Heat+Lane Swimmer Nation Time Notes 1 H5 L4 László Cseh 4:14.15 q 2 H5 L5 Luca Marin 4:15.18 q 3 H5 L6 Robert Margalis 4:16.25 q 4 H4 L4 Alessio Boggiatto 4:16.46 q 5 H4 L5 Ioannis Drymonakos 4:16.84 q 6 H3 L4 Oussama Mellouli 4:17.21 q 7 H3 L3 Ryan Lochte 4:17.26 q 8 H5 L3 Hidemasa Sano 4:17.64 q 9 H3 L6 Nicolas Rostoucher 4:20.00 10 H4 L2 Taishi Okude 4:20.71 11 H5 L7 Robin van Aggele 4:20.90 12 H4 L6 Igor Berezutsky 4:20.98 13 H3 L2 Dean Kent 4:21.04 14 H4 L3 Travis Nederpelt 4:21.10 15 H3 L5 Ioannis Kokkodis 4:23.82 16 H3 L7 Dmytro Nazarenko 4:24.15 17 H5 L2 Adam Lucas 4:24.24 18 H2 L1 Mihail Alexandrov 4:25.50 19 H3 L1 Bradley Ally 4:28.91 20 H3 L8 Paulius Andrijauskas 4:29.25 21 H2 L2 Miguel Molina 4:30.95 22 H4 L1 Sebastian Stoss 4:31.25 23 H2 L5 Hocine Haciane 4:31.33 24 H2 L8 Shaune Fraser 4:31.90 25 H1 L4 Dmitriy Gordiyenko 4:32.05 26 H2 L4 Guntars Deicmans 4:34.00 27 H2 L3 Yury Zaharov 4:39.22 28 H1 L5 Vasilii Danilov 4:40.07 29 H5 L8 Sheng-hieh Tang 4:41.75 30 H4 L8 Yu-An Lin 4:44.06 31 H2 L7 Lionel Lee 4:46.60 32 H1 L3 Francisco Montenegro 4:49.14 33 H1 L6 Johnny Castillo 4:52.21 - - Mohamad Al-Naser DNS - - Keith Beavers DNS - - Sébastien Rouault DNS
References Worlds 2005 results: Men's 400 m individual medley Heats, from OmegaTiming.com (official timer of the 2005 Worlds); Retrieved 2010-02-06. Worlds 2005 results: Men's 400 m individual medley Finals, from OmegaTiming.com (official timer of the 2005 Worlds); Retrieved 2010-02-06.