Swimming at the 1976 Summer Olympics – Men's 100 metre butterfly

The men's 100 metre butterfly event for the 1976 Summer Olympics was held in Montreal. The event took place on 20 and 21 July.^[1]

Heats

Heat 1

Rank	Athlete	Country	Time	Notes
1	Yevgeny Seredin	Soviet Union	56.95	Q
2	Bruce Robertson	Canada	57.06	Q
3	Pär Arvidsson	Sweden	57.17	Q
4	Cees Vervoorn	Netherlands	57.84
5	Rômulo Arantes Filho	Brazil	58.80
6	Adi Prag	Israel	59.99
-	François Deley	Belgium	-	DQ

Heat 2

Rank	Athlete	Country	Time	Notes
1	Jorge Delgado, Jr.	Ecuador	56.79	Q
2	Neil Rogers	Australia	57.08	Q
3	Miloslav Roľko	Czechoslovakia	57.79
4T	Serge Buttet	France	58.37
4T	Arnaldo Pérez	Puerto Rico	58.37
6	Riccardo Urbani	Italy	58.83
7	Carlos González	Panama	1:00.97

Heat 3

Rank	Athlete	Country	Time	Notes
1	Roger Pyttel	East Germany	55.25	Q
2	Klaus Steinbach	West Germany	56.10	Q
3	Hideaki Hara	Japan	56.57	Q
4	Jorge Jaramillo	Colombia	57.33
5	Jon Jon Park	Great Britain	57.42
6	Campari Knoepffler	Nicaragua	1:02.05

Heat 4

Rank	Athlete	Country	Time	Notes
1	Matt Vogel	United States	55.40	Q
2	Clay Evans	Canada	55.65	Q
3	Peter Broscienski	West Germany	57.15	Q
4T	Paolo Barelli	Italy	57.64
4T	Oleksandr Manachynskiy	Soviet Union	57.64
6	José Luis Prado	Mexico	59.16
7	Paulo Frischknecht	Portugal	1:01.97
8	Lawrence Kwoh	Hong Kong	1:02.47

Heat 5

Rank	Athlete	Country	Time	Notes
1	Gary Hall	United States	55.35	Q
2	John Mills	Great Britain	56.53	Q
3	Steve Pickell	Canada	56.59	Q
4	John Coutts	New Zealand	57.29
5	Hartmut Flöckner	East Germany	57.66
6	Luis Goicoechea	Venezuela	57.92
7	John Daly	Puerto Rico	58.04
8	Steven Newkirk	Virgin Islands	1:01.46

Heat 6

Rank	Athlete	Country	Time	Notes
1	Joe Bottom	United States	56.26	Q
2	Roland Matthes	East Germany	56.41	Q
3	Michael Kraus	West Germany	57.22
4	Ross Seymour	Australia	57.74
5	Richard Iredale	Great Britain	58.50
6	Shinsuke Kayama	Japan	58.55
7	Konstantinos Koskinas	Greece	1:00.20
8	Robert Howard	Ireland	1:00.92

Semifinals

Heat 1

Rank	Athlete	Country	Time	Notes
1	Joe Bottom	United States	55.26	Q
2	Gary Hall	United States	55.32	Q
3	Neil Rogers	Australia	55.72	Q
4	Clay Evans	Canada	55.86	Q
5	John Mills	Great Britain	56.54
6	Steve Pickell	Canada	56.66
7	Pär Arvidsson	Sweden	56.93
8	Yevgeny Seredin	Soviet Union	57.46

Heat 2

Rank	Athlete	Country	Time	Notes
1	Roger Pyttel	East Germany	54.75	Q
2	Matt Vogel	United States	54.80	Q
3	Roland Matthes	East Germany	55.88	Q
4	Klaus Steinbach	West Germany	55.90	Q
5	Hideaki Hara	Japan	56.52
6	Bruce Robertson	Canada	56.72
7	Peter Broscienski	West Germany	56.81
8	Jorge Delgado, Jr.	Ecuador	56.91

Final

Rank	Athlete	Country	Time	Notes
	Matt Vogel	United States	54.35
	Joe Bottom	United States	54.50
	Gary Hall	United States	54.65
4	Roger Pyttel	East Germany	55.09
5	Roland Matthes	East Germany	55.11
6	Clay Evans	Canada	55.81
7	Hideaki Hara	Japan	56.34
8	Neil Rogers	Australia	56.57