Swimming at the 1984 Summer Olympics – Men's 100 metre butterfly explained

Event:	Men's 100 metre butterfly
Games:	1984 Summer
Venue:	McDonald's Olympic Swim Stadium
Date:	30 July 1984 (heats & final)
Competitors:	53
Nations:	39
Gold:	Michael Gross
Goldnoc:	FRG
Silver:	Pablo Morales
Silvernoc:	USA
Bronze:	Glenn Buchanan
Bronzenoc:	AUS
Win Value:	53.08
Prev:	1980
Next:	1988

The final of the men's 100 metre butterfly event at the 1984 Summer Olympics was held in the McDonald's Olympic Swim Stadium in Los Angeles, California, on July 30, 1984.^[1]

Records

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

The following records were established during the competition:

Date	Round	Name	Nation	Time	Record
30 July	Heat 7			53.78
30 July	Final A			53.08

Rule: The eight fastest swimmers advance to final A (Q), while the next eight to final B (q).^[2]

Rank	Heat	Lane	Time	Notes
1	7	4	53.78	Q,
2	6	4	54.02	Q, EU
3	2	4	54.33	Q, NR
4	4	5	54.59	Q, NR
5	5	5	54.67	Q
6	1	5	54.86	Q, OC
7	7	6	55.19	Q, NR
8	3	5	55.22	Q
9	4	4	55.23	q
10	1	3	55.35	q
11	5	4	55.39	q,
12	3	6	55.46	q, NR
12	5	3	55.46	q
14	1	4	55.66	q
15	2	5	55.70	q
15	7	3	55.70	q,
17	6	5	55.73	q
18	6	3	55.81	q
19	7	5	55.84
20	2	6	55.97
21	3	2	56.15	NR
22	4	6	56.40
23	6	6	56.41
24	5	6	56.52
25	1	6	56.55	NR
25	3	2	56.55
27	6	2	56.58
28	4	3	56.61	NR
29	3	4	56.66
30	2	3	56.70
31	7	7	56.86	NR
32	7	2	57.46
33	6	7	57.61
34	4	2	57.69
35	5	7	57.71
36	5	2	57.75
37	4	7	58.17
38	1	2	58.25
39	2	2	58.73
40	3	7	58.91
41	2	7	58.95
42	1	7	1:00.57
43	7	1	1:00.68
44	3	1	1:02.00
45	6	1	1:02.32
46	5	8	1:04.33
47	4	1	1:04.48
48	1	1	1:04.62
49	5	1	1:05.53
50	4	8	1:05.91
51	7	8	1:06.94
52	2	1	1:07.75
53	6	8	1:13.27

Web site: Swimming at the 1984 Los Angeles Summer Games: Men's 100 metres Butterfly . https://web.archive.org/web/20200417164229/https://www.sports-reference.com/olympics/summer/1984/SWI/mens-100-metres-butterfly.html . dead . April 17, 2020 . March 1, 2017 . Sports Reference.
Web site: Los Angeles 1984: Swimming – Men's 100m Butterfly Heats. Los Angeles 1984. LA84 Foundation. 511. 8 March 2017.