2021 FINA World Swimming Championships (25 m) – Men's 100 metre butterfly explained

Event:	Men's 100 metre butterfly
Competition:	2021 FINA World Swimming Championships (25 m)
Venue:	Etihad Arena
Location:	Abu Dhabi, United Arab Emirates
Dates:	17 December (heats and semifinals) 18 December (final)
Competitors:	83
Nations:	75
Win Value:	48.87
Gold:	Matteo Rivolta
Goldnoc:	ITA
Silver:	Chad le Clos
Silvernoc:	RSA
Bronze:	Andrey Minakov
Prev:	2018
Next:	2022

The Men's 100 metre butterfly competition of the 2021 FINA World Swimming Championships (25 m) was held on 17 and 18 December 2021.^[1]

Records

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

The heats were started on 17 December at 10:23.^[2]

Rank	Heat	Lane	Time	Notes
1	7	1	49.49	Q, NR
2	9	8	49.60	Q
3	6	6	49.66	Q, NR
4	7	4	49.82	Q
5	9	1	49.97	Q
6	6	4	50.00	Q, NR
7	7	3	50.11	Q
8	5	3	50.22	Q, NR
9	5	6	50.23	Q, NR
10	9	3	50.40	Q
11	9	4	50.47	Q
12	9	2	50.49	Q
13	8	5	50.51	Q
14	8	2	50.53	Q
14	8	3	50.53	Q
16	8	4	50.57	Q
17	9	5	50.79
18	7	2	50.80
19	7	6	50.87
20	6	7	50.92
21	9	7	50.99
22	9	9	51.10
23	8	6	51.22
24	5	2	51.23	NR
25	7	5	51.25
26	8	8	51.26
27	8	7	51.30
28	6	3	51.32
28	6	8	51.32	NR
30	9	0	51.57
31	5	9	51.61	NR
32	8	0	51.64
33	8	1	51.69
34	7	7	51.73
35	8	9	51.79
36	4	3	51.87	NR
37	6	2	51.95
38	7	9	52.11
39	7	8	52.15
40	6	1	52.36
41	5	5	52.50
42	1	8	52.53
43	7	0	52.60
44	6	9	52.66
45	4	5	52.86
46	5	7	52.93
47	4	4	52.96
48	5	1	52.98
49	5	4	53.22
50	5	8	53.32
51	1	1	53.64	NR
52	5	0	53.66
53	4	2	53.69
54	3	1	53.91	NR
55	4	1	53.93	NR
56	4	6	54.22
57	3	6	54.38
58	3	2	54.39
59	3	9	54.43	NR
60	2	4	54.45
61	3	3	54.46
62	4	0	54.48	NR
63	3	8	54.63
64	3	5	54.99
65	4	9	55.14
66	3	7	55.43
67	1	6	55.60	NR
68	4	7	55.65
69	3	4	56.33
70	3	0	56.61
71	1	7	56.62
72	2	6	57.13
73	2	1	57.20
74	2	2	57.54
75	2	3	58.08
76	2	7	58.48
77	2	5	58.91
78	2	8
79	1	5
80	1	2
80	1	3
82	2	9
83	2	0
	4	8
	6	0
	6	5
	9	6
	1	4

The semifinals were started on 17 December at 19:26.^[3]

Rank	Heat	Lane	Time	Notes
1	1	5	49.07	Q
2	2	7	49.56	Q
3	2	5	49.60	Q, NR
4	2	4	49.62	Q
5	1	2	49.65	Q
6	1	1	49.70	Q, NR
7	1	8	49.76	Q
8	1	4	49.79	Q
9	1	6	49.87	NR
10	2	6	49.97
11	2	3	50.11
12	2	8	50.12
13	2	1	50.13
14	1	3	50.29
15	1	7	50.30
16	2	2	50.58

The final was held on 18 December at 18:07.^[4]

Web site: Competition Schedule. Omega Timing. 17 December 2021. 17 December 2021.
Web site: 15th FINA World Swimming Championships (25m) Heats . 17 December 2021. Swiss-Timing Corgemont Switzerland. 17 December 2021.
Web site: 15th FINA World Swimming Championships (25m) Semifinals . 17 December 2021. Swiss-Timing Corgemont Switzerland. 17 December 2021.
Web site: 15th FINA World Swimming Championships (25m) Final . 18 December 2021. Swiss-Timing Corgemont Switzerland. 25 December 2021.