The men's 100 metre butterfly event at the 2009 World Aquatics Championships took place between 31 July – 1 August at the Foro Italico

Foro Italico

Foro Italico is a sports complex in Rome, Italy. It was built between 1928 and 1938 as the Foro Mussolini under the design of Enrico Del Debbio and, later, Luigi Moretti...

. Both the heats and semifinals were held on 31 July with the heats being held in the morning session and the semifinals being held in the evening session. The final was held on 1 August.

Records

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

	Name	Nationality	Time	Location	Date
World 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...	United States United States The United States of America is a federal constitutional republic comprising fifty states and a federal district...	50.22	Indianapolis Indianapolis Indianapolis is the capital of the U.S. state of Indiana, and the county seat of Marion County, Indiana. As of the 2010 United States Census, the city's population is 839,489. It is by far Indiana's largest city and, as of the 2010 U.S...	9 July 2009
Championship record	Ian Crocker Ian Crocker Ian Lowell Crocker is a former American swimmer and five-time Olympic medalist. He is a former world record holder in the 100 meter butterfly ....	United States United States The United States of America is a federal constitutional republic comprising fifty states and a federal district...	50.40	Montreal Montreal Montreal is a city in Canada. It is the largest city in the province of Quebec, the second-largest city in Canada and the seventh largest in North America...	30 July 2005

The following records were established during the competition:

Date	Round	Name	Nationality	Time	WR	CR
July 31	Semifinal	Milorad Čavić Milorad Cavic Milorad Čavić is an American-born Serbian swimmer.-Swimming career:...	Serbia Serbia Serbia , officially the Republic of Serbia , is a landlocked country located at the crossroads of Central and Southeast Europe, covering the southern part of the Carpathian basin and the central part of the Balkans...	50.01	WR	CR
August 1	Final	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...	United States United States The United States of America is a federal constitutional republic comprising fifty states and a federal district...	49.82	WR	CR

Heats

Rank	Name	Nationality	Time	Heat	Lane	Notes
1	Milorad Čavić Milorad Cavic Milorad Čavić is an American-born Serbian swimmer.-Swimming career:...		50.56	15	4
2	Tyler McGill Tyler McGill Tyler Tennant McGill is an American swimmer. McGill attends Auburn University and trains under head coach Brett Hawke.-Career:...		50.90	15	5
2	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...		50.90	17	4
4	Andrew Lauterstein Andrew Lauterstein Andrew George Lauterstein is an Australian swimmer and a three-time Olympic medalist.- Personal :...		50.93	16	5
5	Albert Subirats Albert Subirats Albert Subirats Altes is a 2-time Olympic and national record holding swimmer from Venezuela. He represented his homeland at the 2004 and 2008 Olympics...		51.02	17	7	SA
6	Gabriel Mangabeira Gabriel Mangabeira Gabriel Semain Vasconcellos Mangabeira is a Brazilian international swimmer who qualified for the men's 100-meter butterfly at both the 2004 Summer Olympics and 2008 Summer Olympics...		51.11	17	3	NR
7	Ivan Lenđer		51.22	15	7
7	Benjamin Starke Benjamin Starke Benjamin Starke is a German swimmer from Cottbus.-References:...		51.22	16	6	NR
9	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...		51.24	15	3	AS
10	Rafael Muñoz Rafael Muñoz (swimmer) Rafael Muñoz Pérez is an Olympic swimmer from Spain. He competed for the Spanish Olympic team at the 2008 Olympic Games....		51.40	16	4
11	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 :...		51.49	16	3
12	Yevgeny Korotyshkin		51.51	15	6	NR
13	Nikolay Skvortsov Nikolay Skvortsov (swimmer) Nikolay Valeryevich Skvortsov is a butterfly swimmer from Russia, who won a silver and a bronze medal at the 2004 European Championships in Madrid, Spain. He swam for Russia at the 2004 Summer Olympics, where he finished in seventh place in the 200 fly....		51.58	15	1
14	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...		51.65	16	8	NR
15	Corney Swanepoel Corney Swanepoel Corney Swanepoel is a butterfly swimmer from New Zealand. He swam for New Zealand at the 2004 and 2008 Olympics....		51.71	17	2
16	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....		51.76	17	5
17	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...		51.81	16	2
17	Clement Lefert		51.81	17	6
19	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	14	4	NR
19	Helge Meeuw Helge Meeuw Helge Meeuw is a German swimmer from Wiesbaden. At the 2008 German Swimming Championships in Berlin, he swam in 53.10 sec a new European record at 100 m backstroke...		51.97	15	9
21	Adam Pine Adam Pine Adam Pine is an Australian freestyle and butterfly swimmer. Adam is married to Sasha Pine and is the father of 3 children, Maximillian, Buster and Xander....		51.98	17	0
22	Michal Rubacek		51.99	12	2
23	Robin van Aggele Robin van Aggele Robin van Aggele is an Olympic and national-record-holding swimmer from the Netherlands who is the most all-round Dutch swimmer since Marcel Wouda....		52.04	14	3
24	Pavel Sankovich		52.05	13	5
25	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:...		52.08	14	2
25	Lyndon Ferns Lyndon Ferns Lyndon Ferns is a retired Olympic gold-medalist and former world record swimmer from South Africa. He swam for South Africa at the 2004 and 2008 Olympics....		52.08	15	8
27	Mario Todorović		52.09	14	5
28	Moss Burmester Moss Burmester Moss James Burmester is a New Zealand swimmer. His specialist event is the 200m butterfly in which he holds the Commonwealth record of 1:54.35 set at the 2008 Summer Olympics...		52.13	17	8
29	Kaio de Almeida Kaio de Almeida Kaio Márcio Ferreira Costa de Almeida is a Brazilian swimmer, who specializes in butterfly. He is also known as: Kaio Márcio, Kaio Márcio de Almeida, Kaio Almeida, or Kaio de Almeida....		52.14	15	2
30	Denys Dubrov		52.21	13	9
31	Simon Sjödin Simon Sjödin Simon Sjödin is a Swedish Olympic swimmer of the SK Neptun, represented Sweden at the 2008 Olympic Games.-Biography:Simon Sjödin was born 4 October 1986 in, to parents Kristina and Omar....		52.27	13	8
31	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...		52.27	16	9
33	Masayuki Kishida		52.28	17	1
34	Jakob Andkjær Jakob Andkjær Jakob Sciøtt Andkjær is a Danish swimmer studying at the Auburn University and bronze medalist at the 2007 World Aquatics Championships on 50 m butterfly.-References:...		52.34	15	0
35	Douglas Lennox-Silva Douglas Lennox-Silva Douglas Lennox-Silva is a male butterfly swimmer from Puerto Rico, who was born in the United States. He represented Puerto Rico at the 2008 Summer Olympics in Beijing, PR China. He is the younger brother of Kristina Lennox-Silva, who also competed as a swimmer at the 2008 Summer...		52.39	12	4	NR
36	Pablo Marmolejo		52.48	12	8	NR
37	Jeong Doohee		52.50	12	3
38	Mattia Nalesso		52.55	14	7
38	Ian Hulme		52.55	17	9
40	Joe Bartoch Joe Bartoch Joe Bartoch is a male swimmer from Canada, who mostly competes in the butterfly events. He claimed a bronze medal at the 2007 Pan American Games in Rio de Janeiro, Brazil. He competed at the 2008 Summer Olympics in the 100 metre butterfly and the 4x100 metre medley relay.-References:...		52.60	14	9
41	Alex Villaecija		52.61	16	7
42	Sergiy Breus Sergiy Breus Sergiy Breus is a butterfly swimmer from Ukraine, who won the gold medal in the men's 50 m butterfly at the 2004 European Long Course Championships in Madrid, Spain.-References:*...		52.63	13	0
43	Shi Feng Shi Feng Shi Feng is a Chinese swimmer, who competed for China at the 2008 Summer Olympics in Beijing.Shi Feng reached the semifinals of the men's 100 m butterfly...		52.64	16	1
44	Alon Mandel Alon Mandel Alon Mandel is an Israeli swimmer who represented Israel at the 2008 Summer Olympics.-Biography:He is Jewish.He competed on behalf of Israel at the 2008 Summer Olympics in Beijing, China....		52.68	13	1	NR
45	Marcin Babuchowski		52.75	14	8
46	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....		52.76	11	5
47	Stefanos Dimitriadis		52.89	13	3
48	Pavels Kondrahins		52.92	10	4
48	Evgeny Lazuka		52.92	12	7
50	Diogo Carvalho Diogo Carvalho Diogo Carvalho is a Portuguese swimmer. He participated for the first time at the 2008 Summer Olympics in the discipline 200 metre individual medley. He currently holds 9 individual national records, 7 short course and 3 long course...		52.94	14	6
51	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....		52.98	13	4
52	Jan Sefl		52.99	13	7
53	Darian Townsend Darian Townsend Darian Roy Townsend is a college and international swimmer from South Africa who is an Olympic gold medalist.Townsend was born in Pinetown, KwaZulu-Natal, South Africa....		53.04	16	0
54	Marcin Tarczynski		53.06	14	1
55	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....		53.07	11	2
56	Octavio Alesi		53.12	12	1
56	Francois Heersbrandt		53.12	14	0
58	Emil Dall-Nielsen		53.20	13	6
58	Rimvydas Salcius		53.20	13	2
60	Gustavo Daniel Paschetta		53.30	11	7
61	Daniel William Henry Bego		53.33	11	1
62	Andrejs Dūda Andrejs Duda Andrejs Dūda , is a Latvian swimmer, is a two-time Olympian and nine-time NCAA DIII national individual champion in swimming. Duda represented Latvia at the 2004 Olympics in Athens, Greece and has qualified to compete in the 2008 summer Games...		53.41	12	0
63	Elvis Burrows		53.51	11	9	NR
64	Alexandru Felix Maestru		53.61	11	3
65	Damien Courtois		53.91	10	3
66	Bernhard Wolf		53.98	11	4
67	Rustam Khudiyev Rustam Khudiyev Rustam Khudiyev is an Olympic butterfly swimmer from Kazakhstan. He swam for Kazakhstan at the 2004 and Rustam Khudiyev is an Olympic [[butterfly swimming|butterfly]] [[swimmer]] from [[Kazakhstan]]...		54.01	10	6
67	Alexandre Bakhtiarov		54.01	10	1
69	Mathieu Fonteyn		54.02	12	9
70	Emmanuel Crescimbeni		54.08	8	3	NR
71	Nadav Kochavi		54.20	9	4
72	Hsu Chi-Chieh		54.34	10	7
73	Stanislav Kuzmin		54.41	10	0
74	Romans Miloslavskis Romāns Miloslavskis Romāns Miloslavskis is a swimmer from Latvia. He has participated in 2004 Summer Olympics and 2008 Summer Olympics. Miloslavskis was 35th in 100 m freestyle at Athens Olympics and achieved 25th place in 200 m freestyle at Beijig Olympics. He holds several Latvian records in swimming.-References:...		54.42	8	9
75	Israel Duran		54.52	10	8
76	Serkan Atasay		54.66	10	2
77	Sten Indrikson		54.73	9	3
78	Martin Liivamägi Martin Liivamägi Martin Liivamägi is an Estonian individual medley swimmer. Liivamägi is representing 2008 Estonia Olympics Team in Men's 200 metre individual medley swimming event.-External links:*...		54.74	9	6
79	Yu Jeongnam		54.78	10	5
80	Tan Xue Wei Nicholas		54.84	9	8
81	Grant Beahan		54.89	8	4
82	Goksu Bicer		54.93	9	5
83	Bader Almuhana		55.11	9	2
84	Andres Jose Gonzalez		55.23	10	9
85	Virdhawal Khade Virdhawal Khade Virdhawal Vikram Khade is an Indian swimmer. He competed in the men's 50 m, 100 m and 200 m Freestyle swimming events at the 2008 Summer Olympics in Beijing setting an Indian national record in 100 m Freestyle while winning his unseeded heat, but failed to qualify for the semifinals in his events...		55.28	11	6
86	Rehan Poncha		55.29	7	3
87	Nguyen Vo Thai		55.37	7	5
88	Branden Whitehurst		55.46	5	1
89	Sergey Pankov		55.48	8	6
90	Carlos Viveros Madariaga		55.55	9	1
91	Norbert Trudman		55.90	11	0
92	Glenn Victor Sutanto		55.92	11	8
93	Favio Persano		55.93	8	2
94	Taki M'Rabet		55.94	9	7
95	Hajder Ensar		56.17	7	2
96	James Walsh James Walsh (swimmer) James Bernard "J.B" Walsh is an American-born college and international swimmer who represented the Philippines in the 2004 and 2008 Summer Olympics....		56.38	6	4
97	Conor Leaney		56.39	9	9
98	Brad Hamilton		56.56	6	0	NR
99	Endi Babi		56.58	5	5
100	Wong Wing Cheung Victor		56.65	9	0
101	Phillipe Mailliard Rodriguez		56.68	6	3
102	Bruno Miguel Esquen Blas		56.80	8	8
103	Emin Noshadi		56.84	6	1
104	Pedro Pinotes		56.92	5	0
105	Obaid Aljesmi		56.96	7	7
105	Joao Matias		56.96	7	0
107	Alexander Ray		56.97	4	5
108	Teymur Guliyev		57.06	8	7
109	Sim Ri Jin Nicholas		57.10	7	6
110	Serghei Golban		57.14	5	2
111	Roy Felipe Barahona Fuentes		57.15	7	4
112	Radhames Kalaf		57.33	5	7
113	Yellow Yeiyah Yellow Yeiyah Yellow Yeiyah, last names also seen as two words "Yei Yah", is an Olympic swimmer from Nigeria. He swam for Nigeria at the 2008 Olympics....		57.37	4	3
114	Javier Hernandez Maradiaga		57.41	8	5
115	Marcelino Richaards		57.44	6	2
116	Miguel Navarro		57.48	5	8
117	Fernando Castellanos		57.75	5	9
118	Nather Ahmed Alhamoud		57.82	6	6
119	Joel Romeu Lemarchand		57.97	7	9
120	Kareem Ennab		57.99	4	6
121	Serghei Falcas		58.12	5	6
122	Byron Briedenhann		58.28	4	2
123	Luke Hall		58.55	5	4
124	Ryan Nelthropp		58.65	4	7
125	Aleksei Klimenko		58.69	8	1
126	Alejandro Madde Madde		58.72	4	1
127	Abbas Raad		58.77	6	9
128	Ali Al Kaabi Ali al Kaabi Ali Bin Abdullah Al Kaabi is the past Minister of Labour and Social Affairs in the United Arab Emirates. He was appointed in 2004 on the same day of the president Shiekh Zayed's death. He was educated at The George Washington University in Washington DC. He obtained a Doctor of Science Degree in...		58.81	4	4
129	Pietro Camilloni		58.99	5	3
130	Nasir Ali		59.12	4	9
131	Chong Cheok Kuan		59.22	6	8
132	Rashid Iunusov		59.40	7	1
133	Timothy Ferris		59.49	6	7
134	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:...		59.68	2	7
135	Fernando Medrano		59.80	3	4
136	Neil Agius		59.86	3	6
137	Jon Pepaj		1:00.05	7	8
138	Niall Christopher Roberts		1:00.53	4	8
139	Heimanu Sichan		1:00.55	3	3
140	Colin Bensadon		1:00.56	3	7
141	Jean Marie Emmanuel Froge		1:00.86	3	8
142	Benjamin Gabbard		1:00.87	3	9
143	Moh'D Aqelah		1:00.97	4	0
144	Papa Madiop Ndong		1:01.03	3	2
145	Paul Elaisa		1:02.40	2	1
146	Gerusio Matonse		1:03.36	3	0
147	Anthony Clark		1:03.37	2	6
148	Milimo Mweetwa		1:03.86	2	2
149	Jean-Pascal Hughes Gregoire		1:03.89	2	5
150	Peter Popahun Pokawin		1:04.62	2	8
151	Narantsog Tsogjargal		1:05.01	2	4
152	Sergey Pevnev		1:05.15	3	1
153	Ali Mohamed Raaidh		1:10.10	2	9
154	Mohamed Mujahid		1:10.32	1	4
155	Johnny Rivera		1:10.49	1	5
156	Ingabire-Ahishakiye Gael		1:19.25	2	0
–	Duje Draganja Duje Draganja Duje Draganja |Split]]) is a swimmer from Croatia who won the silver medal in the men's 50 meter freestyle at the 2004 Summer Olympics in Athens, Greece....		DNS	1	3
–	Achelhi Bilal		DNS	3	5
–	Rami Anis		DNS	6	5
–	Edgar Crespo		DNS	8	0
–	Omar Pinzón Omar Pinzón Omar Andrés Pinzón García is a Colombian international swimmer. He competed at the 2004 Olympics in Athens, Greece and 2008 Olympics in Beijing, China. Pinzón attended college in the United States, where he swam for the University of Florida.At the 2004 Summer Olympics in Athens, Pinzón finished...		DNS	12	5
–	Stefan Hirniak Stefan Hirniak Stefan Max Hirniak is a male swimmer from Canada, who mostly competes in the freestyle and butterfly events...		DNS	12	6
–	Jean-Luc Augier		DSQ	2	3

Semifinals

Rank	Name	Nationality	Time	Heat	Lane	Notes
1	Milorad Čavić Milorad Cavic Milorad Čavić is an American-born Serbian swimmer.-Swimming career:...		50.01	2	4	WR
2	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...		50.48	1	4
3	Rafael Muñoz Rafael Muñoz (swimmer) Rafael Muñoz Pérez is an Olympic swimmer from Spain. He competed for the Spanish Olympic team at the 2008 Olympic Games....		50.59	1	2
4	Albert Subirats Albert Subirats Albert Subirats Altes is a 2-time Olympic and national record holding swimmer from Venezuela. He represented his homeland at the 2004 and 2008 Olympics...		50.65	2	3	SA
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....		50.78	1	8	AF
6	Gabriel Mangabeira Gabriel Mangabeira Gabriel Semain Vasconcellos Mangabeira is a Brazilian international swimmer who qualified for the men's 100-meter butterfly at both the 2004 Summer Olympics and 2008 Summer Olympics...		51.02	1	3	NR
7	Andrew Lauterstein Andrew Lauterstein Andrew George Lauterstein is an Australian swimmer and a three-time Olympic medalist.- Personal :...		51.03	1	5
8	Tyler McGill Tyler McGill Tyler Tennant McGill is an American swimmer. McGill attends Auburn University and trains under head coach Brett Hawke.-Career:...		51.07	2	5
9	Yevgeny Korotyshkin		51.26	1	7	NR
10	Benjamin Starke Benjamin Starke Benjamin Starke is a German swimmer from Cottbus.-References:...		51.31	1	6
11	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...		51.32	2	2
11	Ivan Lenđer		51.32	2	6
13	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...		51.41	1	1	NR
14	Nikolay Skvortsov Nikolay Skvortsov (swimmer) Nikolay Valeryevich Skvortsov is a butterfly swimmer from Russia, who won a silver and a bronze medal at the 2004 European Championships in Madrid, Spain. He swam for Russia at the 2004 Summer Olympics, where he finished in seventh place in the 200 fly....		51.50	2	1
15	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 :...		51.54	2	7
16	Corney Swanepoel Corney Swanepoel Corney Swanepoel is a butterfly swimmer from New Zealand. He swam for New Zealand at the 2004 and 2008 Olympics....		51.79	2	8

Final

Rank	Lane	Name	Nationality	Time	Notes
	5	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	WR
	4	Milorad Čavić Milorad Cavic Milorad Čavić is an American-born Serbian swimmer.-Swimming career:...		49.95	ER
	3	Rafael Muñoz Rafael Muñoz (swimmer) Rafael Muñoz Pérez is an Olympic swimmer from Spain. He competed for the Spanish Olympic team at the 2008 Olympic Games....		50.41	NR
4	6	Albert Subirats Albert Subirats Albert Subirats Altes is a 2-time Olympic and national record holding swimmer from Venezuela. He represented his homeland at the 2004 and 2008 Olympics...		50.79
5	1	Andrew Lauterstein Andrew Lauterstein Andrew George Lauterstein is an Australian swimmer and a three-time Olympic medalist.- Personal :...		50.85	OC
6	2	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....		51.07
7	8	Tyler McGill Tyler McGill Tyler Tennant McGill is an American swimmer. McGill attends Auburn University and trains under head coach Brett Hawke.-Career:...		51.42
8	7	Gabriel Mangabeira Gabriel Mangabeira Gabriel Semain Vasconcellos Mangabeira is a Brazilian international swimmer who qualified for the men's 100-meter butterfly at both the 2004 Summer Olympics and 2008 Summer Olympics...		51.74