• World record (WR)
  World record progression 100 metres butterfly
  The first world record in the 100 metres butterfly in long course swimming was recognised by the International Swimming Federation in 1957, for both men and women...
  
  : 59.13, Brendan Hansen
  Brendan Hansen
  Brendan Joseph Hansen is an American breaststroke swimmer and four-time Olympic medalist...
  
   (USA), 1 August 2006 in Irvine, USA
  Irvine, California
  Irvine is a suburban incorporated city in Orange County, California, United States. It is a planned city, mainly developed by the Irvine Company since the 1960s. Formally incorporated on December 28, 1971, the city has a population of 212,375 as of the 2010 census. However, the California...
  
  .
• Championship record (CR): 59.37, Brendan Hansen
  Brendan Hansen
  Brendan Joseph Hansen is an American breaststroke swimmer and four-time Olympic medalist...
  
   (USA), Montreal 2005
  Swimming at the 2005 World Aquatics Championships
  The swimming events at the XI FINA World Championships took place in the Parc Jean-Drapeau in Montreal, Canada from July 24–31, 2005.The swimming portion consisted of 50 events – 25 for men and 25 for women – all of which were swum in a long-course pool...
  
   (25 July 2005)

Final

Place	Lane	Name	Nationality	50m split	Time
	5	Brendan Hansen Brendan Hansen Brendan Joseph Hansen is an American breaststroke swimmer and four-time Olympic medalist...	United States	27.67	00:59.80
	4	Kosuke Kitajima Kosuke Kitajima is a Japanese multiple Olympic gold medalist breaststroke swimmer. He won gold medals for the men's 100 m and 200 m breaststroke at both the Athens 2004 and Beijing 2008 Olympics.-Major achievements:...		27.79	00:59.96
	6	Brenton Rickard Brenton Rickard Brenton Scott Rickard is a breaststroke swimmer from Australia. He emerged at the international level in 2006, swimming at the Commonwealth games...		28.15	1:00.58
4	2	Valeriy Dymo		28.18	1:00.60
5	7	Oleg Lisogor Oleg Lisogor Oleh Lisohor is a Ukrainian swimmer.Born in Brovary, Kiev Oblast, Soviet Union , Lisogor is the former world record holder in the 50 metres breaststroke, long course, with 27.18 seconds. The record was set in Berlin on 2 August 2002...		28.07	1:00.83
6	1	Mihail Alexandrov		28.09	1:01.17
7	8	Dmitry Komornikov		28.58	1:01.24
8	3	Alexander Dale Oen Alexander Dale Oen Alexander Dale Oen is a Norwegian swimmer. He represents the club Vestkantsvømmerne. Dale Oen's gold at the 2008 European Championships made him the first Norwegian male to win a medal at a major international long course championship.Oen got his international breakthrough in 2005, placing seventh...		27.93	1:01.67

Semifinals

Rank	Heat & Lane	Name	Nationality	50m split	Time	Notes
1	S2-L4	Kosuke Kitajima Kosuke Kitajima is a Japanese multiple Olympic gold medalist breaststroke swimmer. He won gold medals for the men's 100 m and 200 m breaststroke at both the Athens 2004 and Beijing 2008 Olympics.-Major achievements:...		28.31	1:00.05	Q
2	S2-L5	Brendan Hansen Brendan Hansen Brendan Joseph Hansen is an American breaststroke swimmer and four-time Olympic medalist...	United States	28.09	1:00.13	Q
3	S1-L4	Alexander Dale Oen Alexander Dale Oen Alexander Dale Oen is a Norwegian swimmer. He represents the club Vestkantsvømmerne. Dale Oen's gold at the 2008 European Championships made him the first Norwegian male to win a medal at a major international long course championship.Oen got his international breakthrough in 2005, placing seventh...		28.52	1:00.69	Q
4	S1-L6	Brenton Rickard Brenton Rickard Brenton Scott Rickard is a breaststroke swimmer from Australia. He emerged at the international level in 2006, swimming at the Commonwealth games...		28.51	1:00.87	Q
5	S2-L6	Valeriy Dymo		28.64	1:00.88	Q
6	S2-L3	Oleg Lisogor Oleg Lisogor Oleh Lisohor is a Ukrainian swimmer.Born in Brovary, Kiev Oblast, Soviet Union , Lisogor is the former world record holder in the 50 metres breaststroke, long course, with 27.18 seconds. The record was set in Berlin on 2 August 2002...		28.86	1:00.89	Q
7	S2-L7	Mihail Alexandrov		28.33	1:01.08	Q
8	S2-L8	Dmitry Komornikov		28.87	1:01.11	Q
8.5	S1.5				1:01.2	O
9	S1-L3	James Gibson James Gibson (swimmer) James Gibson MBE is an English swimmer.Born in Chelmsford, Essex, and raised in Witham, Gibson's specialism is breaststroke and he competes in the 50 metre, 100 metre and 200 metre events. In 2003 he became world champion at 50 metres . He was 6th in the 100 metre event at the Athens Olympics in...		27.95	1:01.24
9	S1-L7	Scott Usher	United States	29.01	1:01.24
11	S2-L1	Christopher Cook Christopher Cook Christopher Anthony Cook is an English swimmer.His specialism is breaststroke, and took gold in the 50 and 100 metre finals representing England at the 2006 Commonwealth Games in Melbourne...		28.15	1:01.28
12	S1-L5	Giedrius Titenis Giedrius Titenis Giedrius Titenis is a swimmer from Lithuania. He participated in the 2008 Summer Olympics and won bronze in the 2009 World Aquatics Championships, tying Australia's Christian Sprenger.-External links:*...		28.82	1:01.48
13	S1-L8	Roman Sloudnov Roman Sloudnov Roman Andreyevich Sloudnov is a Russian swimmer who won a bronze medal in the 100 m breaststroke at the 2000 Summer Olympics...		28.69	1:01.50
14	S1-L2	Cameron van der Burgh Cameron van der Burgh Cameron van der Burgh is a South African swimmer.He is Africa's first home-trained world record holder and the youngest at the age of 20. He trains with Dirk Lange and is based in Pretoria. He has represented South Africa at the 2008 Summer Olympics and has won numerous World Championship medals...		28.76	1:01.80
15	S1-L1	Alessandro Terrin Alessandro Terrin Alessandro Terrin is a male Italian swimmer. He represented Italy at the 2008 Olympic Games in the 100 m breaststroke and the 4×100  medley relay swimming events....		28.33	1:01.87
16	S2-L2	Hugues Duboscq Hugues Duboscq Hugues Duboscq is an Olympic breaststroke swimmer from France. He swam for France at the 2000, 2004 and 2008 Olympics. He has won three Olympic bronze medals....		28.80	1:01.93

Heats

Rank	Heat & Lane	Name	Nationality	50m split	Time	Note
1	H14-L5	Kosuke Kitajima Kosuke Kitajima is a Japanese multiple Olympic gold medalist breaststroke swimmer. He won gold medals for the men's 100 m and 200 m breaststroke at both the Athens 2004 and Beijing 2008 Olympics.-Major achievements:...		28.33	00:59.96	Q
2	H15-L5	Alexander Dale Oen Alexander Dale Oen Alexander Dale Oen is a Norwegian swimmer. He represents the club Vestkantsvømmerne. Dale Oen's gold at the 2008 European Championships made him the first Norwegian male to win a medal at a major international long course championship.Oen got his international breakthrough in 2005, placing seventh...		28.59	1:00.34	Q
3	H16-L4	Brendan Hansen Brendan Hansen Brendan Joseph Hansen is an American breaststroke swimmer and four-time Olympic medalist...	United States	28.66	1:00.59	Q
4	H09-L4	Giergrius Titenis		28.76	1:00.92	Q
5	H14-L4	Oleg Lisogor Oleg Lisogor Oleh Lisohor is a Ukrainian swimmer.Born in Brovary, Kiev Oblast, Soviet Union , Lisogor is the former world record holder in the 50 metres breaststroke, long course, with 27.18 seconds. The record was set in Berlin on 2 August 2002...		28.83	1:00.99	Q
6	H14-L3	James Gibson James Gibson (swimmer) James Gibson MBE is an English swimmer.Born in Chelmsford, Essex, and raised in Witham, Gibson's specialism is breaststroke and he competes in the 50 metre, 100 metre and 200 metre events. In 2003 he became world champion at 50 metres . He was 6th in the 100 metre event at the Athens Olympics in...		28.26	1:01.03	Q
7	H14-L3	Valeriy Dymo		28.82	1:01.06	Q
7	H15-L4	Brenton Rickard Brenton Rickard Brenton Scott Rickard is a breaststroke swimmer from Australia. He emerged at the international level in 2006, swimming at the Commonwealth games...		28.77	1:01.06	Q
9	H16-L3	Hugues Duboscq Hugues Duboscq Hugues Duboscq is an Olympic breaststroke swimmer from France. He swam for France at the 2000, 2004 and 2008 Olympics. He has won three Olympic bronze medals....		28.85	1:01.08	Q
10	H12-L2	Cameron van der Burgh Cameron van der Burgh Cameron van der Burgh is a South African swimmer.He is Africa's first home-trained world record holder and the youngest at the age of 20. He trains with Dirk Lange and is based in Pretoria. He has represented South Africa at the 2008 Summer Olympics and has won numerous World Championship medals...		28.73	1:01.12	Q
11	H11-L4	Mihail Alexandrov		28.60	1:01.15	Q
12	H16-L2	Scott Usher	United States	29.31	1:01.36	Q
13	H16-L6	Christopher Cook Christopher Cook Christopher Anthony Cook is an English swimmer.His specialism is breaststroke, and took gold in the 50 and 100 metre finals representing England at the 2006 Commonwealth Games in Melbourne...		29.00	1:01.49	Q
14	H15-L7	Alessandro Terrin Alessandro Terrin Alessandro Terrin is a male Italian swimmer. He represented Italy at the 2008 Olympic Games in the 100 m breaststroke and the 4×100  medley relay swimming events....		28.38	1:01.61	Q
15	H14-L2	Dmitry Komornikov		28.95	1:01.66	Q
16	H16-L5	Roman Sloudnov Roman Sloudnov Roman Andreyevich Sloudnov is a Russian swimmer who won a bronze medal in the 100 m breaststroke at the 2000 Summer Olympics...		29.09	1:01.69	Q (swim-off)
16	H15-L8	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....		28.67	1:01.69	(swim-off)
18	H16-L1	Mike Brown Mike Brown (swimmer) Mike Brown is a Canadian swimmer. He started swimming at age seven and is a student at the University of Calgary. His best finish at a world championships was at the 2005 championships in Montreal, Canada when he finished 2nd in the 200 m breaststroke. Brown won gold at the Commonwealth Games...		29.13	1:01.75
19	H12-L4	Glenn Snyders		29.36	1:01.91
20	H11-L3	Jiri Jedlicka		29.23	1:01.92
21	H16-L7	Edoardo Giorgetti Edoardo Giorgetti Edoardo Giorgetti is an Italian breaststroke swimmer.In 2006, Giorgetti was Junior World Champion in 100 m and 200 m breaststroke, and in 4×100 m medley relay....		29.78	1:01.95
22	H15-L6	Makoto Yamashita		29.12	1:02.08
23	H14-L8	Henrique Barbosa		28.81	1:02.13
24	H13-L1	LAI Zhongjian Lai Zhongjian Lai Zhongjian is a Chinese swimmer, who competed for Team China at the 2008 Summer Olympics.-Major achievements:*2004 National Championships - 1st 200 m breast;*2004 Olympic Games - 14th 200 m breast...		29.62	1:02.18
25	H15-L1	Valentin Preda		28.74	1:02.19
26	H15-L2	Richárd Bodor Richárd Bodor Richárd Bodor is a breaststroke swimmer from Hungary, who won three bronze medals at the 2004 European Championships in Madrid, Spain. He represented his native country at the 2004 Summer Olympics in Athens, Greece, where he was eliminated in the semi-finals of the men's 100 m...		29.20	1:02.28
27	H13-L2	Jim Piper Jim Piper Jim Piper is a breaststroke swimmer from Australia, who competed for his native country at the 2004 Summer Olympics in Athens, Greece. There he finished in 19th position in the 100m Breaststroke, in 8th place in the 200m Breaststroke, and in ninth spot with the Men's 4x100m Medley Relay Team...		29.06	1:02.36
28	H14-L1	Johannes Neumann		29.11	1:02.50
29	H13-L8	Sławomir Wolniak		29.06	1:02.50
30	H14-L7	Felipe Lima		29.23	1:02.58
31	H12-L5	Maxim Podoprigora Maxim Podoprigora Maxim Podoprigora is an Austrian Olympic swimmer.He is Jewish, and was born in Kyiv, Ukraine.He studied at the University of Vienna in Vienna, Austria...		29.76	1:02.71
31	H12-L8	Thabang Moeketsane		29.05	1:02.71
33	H11-L5	Mladen Tepavčević Mladen Tepavcevic Mladen Tepavčević is an Olympic swimmer from Serbia. He swam for Serbia and Montenegro at the 2004 Olympics...		29.42	1:02.80
33	H13-L4	Sławomir Kuczko		29.81	1:02.80
35	H12-L1	Chris Boe Christensen		29.84	1:02.83
36	H16-L8	Emil Tahirovič Emil Tahirovic Emil Tahirovič is an Olympic breaststroke swimmer from Slovenia. He swam for Slovenia at the 2000 and 2004 Olympics.He swam for Slovenia at:*Olympics: 2000, 2004*Mediterranean Games: 2005, 2009...		28.52	1:02.85
37	H13-L6	Jakob Jóhann Sveinsson Jakob Jóhann Sveinsson Jakob Sveinsson is a 3-time Olympic swimmer from Iceland who started swimming for S.C. Ægir in 1991. He swam for Iceland at the 2000, 2004 and 2008 Olympics....		29.47	1:02.91
38	H11-L6	Edvinas Dautartas Edvinas Dautartas Edvinas Dautartas is a swimmer from Lithuania. He participated in the 2004, and 2008 Summer Olympics. National records holder....		29.07	1:03.07
39	H10-L6	Sofiane Daid Sofiane Daid Sofiane Daid is a two-time Olympic breaststroke swimmer from Algeria. He swam for Algeria at the 2004 and 2008 Olympics.He has swum for Algeria at the:*Olympics: 2004, 2008*All-Africa Games: 2003, 2007*Mediterranean Games: 2005...		29.31	1:03.09
40	H12-L6	Dániel Gyurta Dániel Gyurta Dániel Gyurta is a Hungarian swimmer and former Olympic record holder in the 200m breaststroke set on August 12, 2008...		30.13	1:03.33
41	H13-L5	WANG Haibo		29.99	1:03.38
42	H12-L7	Malick Fall Malick Fall Malick Fall is a former Senegal international football forward.-Career:Born in Matam, Fall moved to France as a youth and played for several clubs in Ligue 2, including Amiens SC, SC Abbeville and Angers SCO....		29.62	1:03.42
43	H10-L7	Tomas Fucik		29.59	1:03.44
44	H15-L3	Romanos Iasonas Alyfantis		29.40	1:03.51
45	H11-L2	Mikalai Vasilyeu		29.61	1:03.62
46	H12-L3	Yevgeniy Ryzhkov Yevgeniy Ryzhkov Yevgeniy Aleksandrovich Ryzhkov is a Kazakhstani swimmer, who won the bronze medal over 200 m breaststroke at the 2006 Short Course World Championships.-Achievements:*2006 FINA Short Course World Championships - bronze medal...		29.99	1:03.70
47	H10-L2	Tom Beeri		30.07	1:03.72
47	H10-L1	Michael Malul		29.65	1:03.72
49	H11-L8	Alwin de Prins Alwin de Prins Alwin de Prins is a former competitive swimmer who represented Luxembourg. Born in Dendermonde, Belgium, he first represented Luxembourg in 1995 at the European Championships in Vienna....		29.69	1:04.00
50	H11-L7	Martti Aljand		30.31	1:04.13
51	H13-L7	Matjaž Markič Matjaž Markič Matjaž Markič is a male breaststroke swimmer from Slovenia, who won the gold medal in the men's 50 m breaststroke event at the 2008 European SC Championships in Rijeka. He represented his native country at the 2008 Summer Olympics in Beijing, PR China, finishing in 24th place in the men's 100 m...		28.96	1:04.20
52	H09-L3	Sujong Sin	South Korea South Korea The Republic of Korea , , is a sovereign state in East Asia, located on the southern portion of the Korean Peninsula. It is neighbored by the People's Republic of China to the west, Japan to the east, North Korea to the north, and the East China Sea and Republic of China to the south...	30.46	1:04.31
53	H10-L3	Hsin Hung Chiang		30.25	1:04.49
54	H09-L6	Dean Kent Dean Kent Dean Kent is a 3-time Olympic swimmer from New Zealand. He represented New Zealand at the 2000, 2004, and 2008 Olympics.At the 2004 Olympics, he set the New Zealand Records in the 200 and 400 IMs...		30.20	1:04.51
55	H10-L4	Nikola Delic		29.68	1:04.58
56	H9-L5	Andrei Capitanciuc		30.24	1:04.76
57	H10-L8	Dimitri Waeber		29.88	1:04.80
58	H07-L6	Wael Kobrosly		30.66	1:04.83
59	H08-L1	Vidvuds Maculevics		30.17	1:05.36
60	H11-L1	Wei Wen Wang		30.79	1:05.38
61	H09-L7	Sergiu Postica		30.24	1:05.45
62	H09-L2	Mohammad Alirezaei Mohammad Alirezaei Mohammad Alirezaei Dizicheh is an Iranian breaststroke swimmer.By qualifying for the 2008 Summer Olympics, Alirezaei became the first Iranian ever to qualify for an Olympic swimming event without using wildcard. However, according to team officials, Alirezaei fell ill before his event, and was...		29.99	1:05.64
63	H07-L3	Radomyos Matjiur		30.65	1:05.70
64	H08-L2	Diego Bonilla		30.79	1:05.75
65	H09-L8	Herry Yudhianto		31.39	1:05.81
66	H09-L1	Andrei Cross		29.91	1:05.91
67	H08-L4	Edgar Robert Crespo		31.08	1:06.00
68	H07-L4	Rainui Terupaia		30.37	1:06.10
69	H08-L5	Jin Leonard Tan		30.75	1:06.14
70	H08-L6	Andrey Morkovin		31.36	1:06.46
70	H08-L7	Billy Arfianto		31.70	1:06.46
72	H10-L5	Kirils Sanzarovecs		30.54	1:06.65
73	H07-L1	Kevin Hensley	Virgin Islands United States Virgin Islands The Virgin Islands of the United States are a group of islands in the Caribbean that are an insular area of the United States. The islands are geographically part of the Virgin Islands archipelago and are located in the Leeward Islands of the Lesser Antilles.The U.S...	30.56	1:06.86
74	H06-L7	Josh Laban Josh Laban Joshua Noel Laban is an Olympic swimmer from the U.S. Virgin Islands. He was the USVI's flagbearer for the 2008 Olympics and the 2007 Pan American Games...	Virgin Islands United States Virgin Islands The Virgin Islands of the United States are a group of islands in the Caribbean that are an insular area of the United States. The islands are geographically part of the Virgin Islands archipelago and are located in the Leeward Islands of the Lesser Antilles.The U.S...	31.66	1:07.28
75	H08-L3	Gerard Bordado		31.12	1:07.37
76	H08-L8	Kee Guan Benjamin Ng		31.36	1:07.92
77	H06-L5	Milan Glamocic		31.50	1:07.99
78	H07-L7	Yusuf Alyousuf		31.97	1:08.22
79	H07-L2	Mustafa Al-Saleh		32.17	1:08.34
80	H07-L8	See Tuan Yap		31.78	1:08.39
81	H06-L8	Eric Williams		31.94	1:08.77
82	H07-L5	Genaro Mathias Prono Britez		31.56	1:08.89
83	H06-L6	Erik Rajohnson		32.70	1:09.01
84	H06-L4	Antonio Leon Candia		31.11	1:09.32
85	H05-L4	Amar Shah		31.53	1:09.67
86	H04-L5	Celestino Aguon		32.88	1:10.46
87	H06-L2	Chisela Kanchela		32.01	1:10.64
88	H05-L3	Melvin Chua		33.04	1:10.65
89	H04-L4	Hei Ming Lao		33.01	1:10.84
90	H03-L4	Boldbaataryn Bütekh-Uils		32.50	1:11.06
91	H05-L1	Rodion Davelaar		33.59	1:11.38
92	H04-L7	Omar Jasim		32.38	1:11.38
93	H05-L5	Alexander Rivero		32.49	1:11.62
94	H06-L1	Osama Al Araj		32.92	1:11.73
95	H05-L7	Aram Nazaryan		33.18	1:12.21
96	H05-L8	Jehad Al Henidi		33.13	1:12.72
97	H04-L8	Guvanch Ataniyazov		33.67	1:13.12
98	H04-L1	Eric Artur Medina Su		33.86	1:13.17
99	H05-L2	Onan Thom		34.20	1:13.62
100	H04-L6	Kevin Cheung Ho Yan		34.05	1:13.87
101	H04-L2	Gavin Sants		34.69	1:13.88
102	H05-L6	Jamie Zammitt		33.91	1:14.43
103	H02-L3	A. Aldhaheri		35.72	1:15.93
104	H03-L6	Eli Ebenezer Wong		35.72	1:15.95
105	H03-L2	Julio Smith		34.48	1:16.55
106	H03-L3	Sadeq Damrah		34.92	1:16.60
107	H03-L1	Hassan Ashraf		35.15	1:17.26
108	H03-L8	Michael Taylor		36.22	1:17.79
109	H03-L5	Monder Al-Jabali	Libya	35.89	1:20.40
110	H02-L6	Rahim Karmali		37.32	1:21.27
111	H01-L5	Jackson Niyomugabo Jackson Niyomugabo Jackson Niyomugabo is a Rwandan Olympic swimmer. He is originally from Kibuye in Rwanda's western region. He grew up swimming in the waters of Lake Kivu on the border between Rwanda and the Democratic Republic of Congo...		39.45	1:25.87
112	H02-L8	Anthony Kpetnky		33.86	1:29.60
113	H01-L3	Seele Benjamin Ntai		42.54	1:31.58
114	H01-L4	Boipelo Makhothi		42.16	1:32.63
115	H02-L1	Vincent Leatualevao		41.39	1:32.86
116	H02-L5	Robert Scanlan		41.55	1:34.98
117	H02-L4	Abubakarr Jalloh		45.22	1:44.93
999	H02-L2	M. Alhousseini Alhassan			DNS
999	H02-L7	Julio Yao Bessan			DNS
999	H03-L7	Thi Hue Pham			DNS
999	H04-L3	João Aguiar João Aguiar João Casimiro Namorado de Aguiar was a Portuguese writer and journalist.He spent his youth in colonial Mozambique....			DNS
999	H06-L3	Shajahan Ali Rony			DNS
999	H13-L3	Vanja Rogulj Vanja Rogulj Vanja Rogulj is a 3-time Olympics breaststroke swimmer from Croatia. He swam for Croatia at the 2000, 2004 and 2008 Olympics....			DNS

Swim-off for semis (16th place)

1. Roman Sloudnov
   Roman Sloudnov
   Roman Andreyevich Sloudnov is a Russian swimmer who won a bronze medal in the 100 m breaststroke at the 2000 Summer Olympics...
   
   , Russia – 1:01.97 (Q)
2. 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....
   
   , Netherlands – 1:02.54

See also

• Swimming at the 2005 World Aquatics Championships – Men's 100 m breaststroke (previous Worlds)
• Swimming at the 2008 Summer Olympics – Men's 100 metre breaststroke
  Swimming at the 2008 Summer Olympics – Men's 100 metre breaststroke
  The following new world and Olympic records were set during this competition.-Schedule:All times are China Standard Time -Heats:-Semifinals:-Final:-References:...
  
   (next year's top event)
• Swimming at the 2009 World Aquatics Championships – Men's 100m breaststroke
  Swimming at the 2009 World Aquatics Championships – Men's 100m breaststroke
  The heats for the men's 100 metre breaststroke race at the 2009 World Championships took place in the morning and evening of 26 July and the final took place in the evening session of 27 July at the Foro Italico in Rome, Italy.-Records:-Heats:...
  
  (next Worlds)