The men's 100 metre butterfly competition of the swimming events

Swimming at the 2011 World Aquatics Championships

The Swimming portion of the 2011 FINA World Championships was held July 24–31 at the Shanghai Oriental Sports Center in Shanghai, China. Swimming is one of five aquatic disciplines at the championships.-Qualifying criteria:...

 at the 2011 World Aquatics Championships was held on July 29 with the heats and the semifinals and July 30 with the final.

Records

Prior to the competition, the existing world and championship records were as follows.

	Name	Nation	Time	Location	Date
World record Championship record	Michael Phelps Michael Phelps Michael Fred Phelps is an American swimmer who has, overall, won 16 Olympic medals—six gold and two bronze at Athens in 2004, and eight gold at Beijing in 2008, becoming the most successful athlete at both of these Olympic Games editions...		49.82	Rome Rome Rome is the capital of Italy and the country's largest and most populated city and comune, with over 2.7 million residents in . The city is located in the central-western portion of the Italian Peninsula, on the Tiber River within the Lazio region of Italy.Rome's history spans two and a half...	August 1, 2009

No new world or competition records were set during this competition.

Heats

65 swimmers participated in 9 heats.

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	8	5	Tyler McGill Tyler McGill Tyler Tennant McGill is an American swimmer. McGill attends Auburn University and trains under head coach Brett Hawke.-Career:...		51.76	Q
2	7	3	Takuro Fujii Takuro Fujii is a Japanese swimmer. He won the bronze medal in the Men's 4 x 100 metre Medley Relay event at the 2008 Summer Olympics.-Personal bests:In long course* 100m freestyle: 48.73 Asian, Japanese Record...		51.82	Q
3	9	5	Geoff Huegill Geoff Huegill Geoffrey Andrew Huegill , nicknamed Skippy and Skip, is an Australian butterfly swimmer...		51.83	Q
4	8	7	Jason Dunford Jason Dunford Jason Edward Dunford is a swimmer from Kenya. He is predominantly a butterfly and freestyle sprinter. He has won gold medals at the Commonwealth Games, Universiade, All-Africa Games and African Championships, and reached finals at Olympics, World Championships and Short Course World Championships....		51.87	Q
5	8	4	Michael Phelps Michael Phelps Michael Fred Phelps is an American swimmer who has, overall, won 16 Olympic medals—six gold and two bronze at Athens in 2004, and eight gold at Beijing in 2008, becoming the most successful athlete at both of these Olympic Games editions...		51.95	Q
6	7	6	Konrad Czerniak Konrad Czerniak -References:*...		52.10	Q
7	7	5	Yevgeny Korotyshkin		52.18	Q
8	7	4	Benjamin Starke Benjamin Starke Benjamin Starke is a German swimmer from Cottbus.-References:...		52.26	Q
9	9	3	Joeri Verlinden Joeri Verlinden Joeri Verlinden is a Dutch swimmer who specializes in butterfly and freestyle. He is currently trained by former world champion Marcel Wouda alongside olympic champions Maarten van der Weijden and Hinkelien Schreuder.-Swimming career:...		52.27	Q
10	9	8	Sam Ashby		52.27	Q
11	9	6	László Cseh László Cseh László Cseh , is a four-time Olympic medalist Hungarian swimmer.-Personal:Cseh has competed in swimming from an early age, and has won numerous Hungarian swimming events. Cseh is coached by György Turi and Zoltán Nemes...		52.40	Q
12	9	1	Peter Mankoč Peter Mankoc Peter Mankoč is one of the best Slovenian swimmers of all time and one of the most successful short course European Championship swimmers in the history of the event.- Personal :...		52.46	Q
13	6	6	Chad le Clos Chad le Clos Chad Guy Bertrand le Clos is a South African swimmer who is currently the Commonwealth Games champion and record holder in the 200 metre butterfly. He also won five medals at the 2010 Summer Youth Olympics in Singapore....		52.54	Q
14	8	6	Steffen Deibler Steffen Deibler Steffen Deibler, is a German swimmer from Biberach an der Riß. He is the current World record holder for the 50 m butterfly .- Development :...		52.54	Q
15	9	7	Lars Frölander Lars Frölander Lars Arne Frölander is a Swedish swimmer. He grew up in Ornäs in Borlänge Municipality. He competed in 5 consecutive Olympic Games . The highlight of his career was when he won the gold in the 100 metre butterfly event at the Sydney Olympic Games in 2000...		52.56	Q
16	8	1	Paweł Korzeniowski		52.57	Q
17	6	3	Francois Heersbrandt		52.65
18	9	2	Milorad Čavić Milorad Cavic Milorad Čavić is an American-born Serbian swimmer.-Swimming career:...		52.67
19	7	2	Antony James		52.68
20	8	8	Ryan Pini Ryan Pini Ryan John Pini is a 2-time Olympic swimmer from Papua New Guinea. He swam for PNG at the 2004 and 2008 Olympics; also serving as the PNG flagbearer in 2008...		52.69
21	6	2	Joseph Bartoch		52.90
22	6	7	Simão Morgado Simão Morgado Simão Morgado is a male Portuguese swimmer. He is the national record holder of the 50-meter butterfly and since 1997 and he has beaten the National Record in the 100 meters thirteen times....		53.01
23	6	8	Pavel Sankovich		53.13
24	7	7	Ivan Lenđer		53.14
25	7	1	Michael Rock Michael Rock (swimmer) Michael Paul Rock is a British butterfly stroke swimmer.Rock competed in the 100 m and 200 m butterfly events at the 2008 Summer Olympics in Beijing, China, after becoming British champion in both events at the 2008 British Olympic Swimming Trials in Sheffield.At the 2010 Commonwealth...		53.20
26	8	2	Kaio Almeida		53.20
27	5	1	Ben Hockin Ben Hockin Ben Hockin is an Olympic freestyle swimmer, who has swum international for both Great Britain and Paraguay ....		53.23
28	8	3	Zhou Jiawei Zhou Jiawei Zhou Jiawei is an national-record-holding swimmer from China. He set the Asian Record in the long-course 50m butterfly at the 2009 Chinese Nationals; and set the Chinese Record also in the long-course 100 butterfly at the 2009 Chinese National Games.He has swum for China at the:*Asian Games:...		53.23
29	5	3	Lorenzo Benatti		53.38
30	7	8	Nikita Konovalov		53.49
31	5	2	Vytautas Janušaitis Vytautas Janušaitis Vytautas Janušaitis is an Olympic swimmer from Lithuania, who represented his home country at the 2004 and 2008 Games.He has swam at every edition of the SC Europeans from 2004-'08....		53.50
32	5	6	Dominik Meichtry Dominik Meichtry Dominik Meichtry is a Swiss swimmer specializing in the middle distance freestyle events. He currently holds six Swiss national records ....		53.54	NR
33	6	1	Mario Todorovic		53.56
34	6	5	Octavio Alesi		53.56
35	6	4	Wu Peng Wu Peng Wu Peng is a Chinese swimmer. His height is 1.80 m and he weights approximately 72 kg. His father died when he was only 16 years old. He has concentrated on the butterfly since the 10th National Games in 2005.-Early life and career:...		53.59
36	4	3	Ham Jong-Hun		53.94
37	5	7	Jan Sefl		53.97
38	5	8	Shaune Fraser Shaune Fraser Shaune David Fraser is a college and international swimmer from the Cayman Islands. Fraser represented the Cayman Islands at the 2004 and 2008 Olympics....		54.19
39	5	5	Quy Phuoc Hoang		54.39
40	4	4	Bradley Ally Bradley Ally Bradley Kevin Ally is a two-time Olympic swimmer from Barbados. He represented Barbados at the 2004 and 2008 Olympics. He was the bronze medalist in the 200-metre individual medley at the Pan-American Games in Brazil 2007...		54.42
41	4	5	Hsu Chi-Chieh		54.44
42	4	2	Yeugeniy Lazuka		54.70
43	4	6	Alex Hernandez Medina		55.34
44	5	4	Stefanos Dimitriadis		55.41
45	4	1	Joshua McLeod		55.80
46	4	7	Rami Anis		56.47
47	2	4	Brad Hamilton		56.48	NR
48	3	5	Marcelino Richaards		56.51
49	2	5	Ifalemi Paea		56.60
50	4	8	Saeed Ashtiani		56.83
51	3	1	Rommie Benjamin		57.11
52	3	4	Edgar Crespo		57.24
53	3	2	Javier Hernandez		57.40
54	3	3	Donny Utomo		57.59
55	3	7	Oluseyi Fatayi-Williams		57.96
56	3	6	Joao Matias		58.20
57	3	8	Sofyan Elgidi		58.38
58	2	3	Andrey Molchanov Andrey Molchanov (swimmer) Andrey Molchanov is an Olympic swimmer from the Turkmenistan. He swam for the Turkmenistan at the 2008 Olympics, where he finished 64th in the 50m free.He also swam at the 2007 World Championships.-References:...		1:00.83
59	2	1	Iohanad Dheyaa		1:01.10
60	2	6	Alban Laye-Joseph Diop		1:01.60
61	2	7	Amer Ali		1:01.88
62	2	2	Adama Ouedraogo		1:03.29
63	2	8	Khalid Ismaeel Alibaba		1:05.40
64	1	3	Beni-Bertrand Binobagira		1:19.76
65	1	4	Janvier Niyonkuru		1:27.01
–	1	5	Fiseha Hailu			DSQ

Semifinal 1

Rank	Lane	Name	Nationality	Time	Notes
1	3	Konrad Czerniak Konrad Czerniak -References:*...		51.54	Q, NR
2	4	Takuro Fujii Takuro Fujii is a Japanese swimmer. He won the bronze medal in the Men's 4 x 100 metre Medley Relay event at the 2008 Summer Olympics.-Personal bests:In long course* 100m freestyle: 48.73 Asian, Japanese Record...		51.69	Q
3	5	Jason Dunford Jason Dunford Jason Edward Dunford is a swimmer from Kenya. He is predominantly a butterfly and freestyle sprinter. He has won gold medals at the Commonwealth Games, Universiade, All-Africa Games and African Championships, and reached finals at Olympics, World Championships and Short Course World Championships....		51.92	Q
4	6	Benjamin Starke Benjamin Starke Benjamin Starke is a German swimmer from Cottbus.-References:...		52.18
5	2	Sam Ashby		52.19
6	8	Paweł Korzeniowski		52.54
7	1	Steffen Deibler Steffen Deibler Steffen Deibler, is a German swimmer from Biberach an der Riß. He is the current World record holder for the 50 m butterfly .- Development :...		52.55
8	7	Peter Mankoč Peter Mankoc Peter Mankoč is one of the best Slovenian swimmers of all time and one of the most successful short course European Championship swimmers in the history of the event.- Personal :...		52.67

Semifinal 2

Rank	Lane	Name	Nationality	Time	Notes
1	3	Michael Phelps Michael Phelps Michael Fred Phelps is an American swimmer who has, overall, won 16 Olympic medals—six gold and two bronze at Athens in 2004, and eight gold at Beijing in 2008, becoming the most successful athlete at both of these Olympic Games editions...		51.47	Q
2	4	Tyler McGill Tyler McGill Tyler Tennant McGill is an American swimmer. McGill attends Auburn University and trains under head coach Brett Hawke.-Career:...		51.56	Q
3	6	Yevgeny Korotyshkin		51.77	Q
4	5	Geoff Huegill Geoff Huegill Geoffrey Andrew Huegill , nicknamed Skippy and Skip, is an Australian butterfly swimmer...		51.85	Q
5	2	Joeri Verlinden Joeri Verlinden Joeri Verlinden is a Dutch swimmer who specializes in butterfly and freestyle. He is currently trained by former world champion Marcel Wouda alongside olympic champions Maarten van der Weijden and Hinkelien Schreuder.-Swimming career:...		51.97	Q
6	7	László Cseh László Cseh László Cseh , is a four-time Olympic medalist Hungarian swimmer.-Personal:Cseh has competed in swimming from an early age, and has won numerous Hungarian swimming events. Cseh is coached by György Turi and Zoltán Nemes...		52.18
7	8	Lars Frölander Lars Frölander Lars Arne Frölander is a Swedish swimmer. He grew up in Ornäs in Borlänge Municipality. He competed in 5 consecutive Olympic Games . The highlight of his career was when he won the gold in the 100 metre butterfly event at the Sydney Olympic Games in 2000...		52.34
8	1	Chad le Clos Chad le Clos Chad Guy Bertrand le Clos is a South African swimmer who is currently the Commonwealth Games champion and record holder in the 200 metre butterfly. He also won five medals at the 2010 Summer Youth Olympics in Singapore....		52.44

Final

The final was held at 18:42.

Rank	Lane	Name	Nationality	Time	Notes
	4	Michael Phelps Michael Phelps Michael Fred Phelps is an American swimmer who has, overall, won 16 Olympic medals—six gold and two bronze at Athens in 2004, and eight gold at Beijing in 2008, becoming the most successful athlete at both of these Olympic Games editions...		50.71
	5	Konrad Czerniak Konrad Czerniak -References:*...		51.15	NR
	3	Tyler McGill Tyler McGill Tyler Tennant McGill is an American swimmer. McGill attends Auburn University and trains under head coach Brett Hawke.-Career:...		51.26
4	1	Jason Dunford Jason Dunford Jason Edward Dunford is a swimmer from Kenya. He is predominantly a butterfly and freestyle sprinter. He has won gold medals at the Commonwealth Games, Universiade, All-Africa Games and African Championships, and reached finals at Olympics, World Championships and Short Course World Championships....		51.59
5	6	Takuro Fujii Takuro Fujii is a Japanese swimmer. He won the bronze medal in the Men's 4 x 100 metre Medley Relay event at the 2008 Summer Olympics.-Personal bests:In long course* 100m freestyle: 48.73 Asian, Japanese Record...		51.75
6	2	Yevgeny Korotyshkin		51.86
7	8	Joeri Verlinden Joeri Verlinden Joeri Verlinden is a Dutch swimmer who specializes in butterfly and freestyle. He is currently trained by former world champion Marcel Wouda alongside olympic champions Maarten van der Weijden and Hinkelien Schreuder.-Swimming career:...		52.21
8	7	Geoff Huegill Geoff Huegill Geoffrey Andrew Huegill , nicknamed Skippy and Skip, is an Australian butterfly swimmer...		52.36

External links

• 2011 World Aquatics Championships: Men's 100 metre butterfly entry list, from OmegaTiming.com; retrieved 2011-07-23.