2021 FINA World Swimming Championships (25 m) – Men's 50 metre butterfly explained

Event:	Men's 50 metre butterfly
Competition:	2021 FINA World Swimming Championships (25 m)
Venue:	Etihad Arena
Location:	Abu Dhabi, United Arab Emirates
Dates:	19 December (heats and semifinals) 20 December (final)
Competitors:	84
Nations:	77
Win Value:	21.93
Gold:	Nicholas Santos
Goldnoc:	BRA
Silver:	Dylan Carter
Silvernoc:	TTO
Bronze:	Matteo Rivolta
Bronzenoc:	ITA
Prev:	2018
Next:	2022

The Men's 50 metre butterfly competition of the 2021 FINA World Swimming Championships (25 m) was held on 19 and 20 December 2021.^[1]

Records

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

The heats were started on 19 December at 09:52.^[2]

Rank	Heat	Lane	Name	Time	Notes
1	9	3		22.36	Q
2	8	3		22.40	Q
3	10	4		22.42	Q
4	6	1		22.52	Q,, NR
4	7	6		22.52	Q, NR
6	10	5		22.53	Q
7	10	7		22.62	Q
8	6	6		22.64	Q, NR
9	9	4		22.66	Q
10	10	6		22.72	Q
11	7	8		22.76	Q, NR
12	9	6		22.79	Q
13	9	5		22.82	Q
14	8	4		22.88	Q
15	10	1		22.89	Q
16	8	5		22.91	Q
17	10	2		22.94	Q
17	10	8		22.94
19	9	1		22.97
20	8	6		23.02
21	8	8		23.18
22	6	9		23.20
23	9	7		23.24
24	6	5		23.26	NR
25	9	9		23.27	NR
26	8	0		23.29
26	8	1		23.29
26	10	0		23.29
29	7	5		23.31
30	9	2		23.34
31	8	7		23.38
31	9	8		23.38
33	8	9		23.42
34	7	9		23.46
34	10	9		23.46
36	6	8		23.51
37	7	2		23.57
38	7	1		23.65
39	6	3		23.66
40	5	4		23.67	NR
41	6	7		23.68	NR
42	6	4		23.75
43	7	7		23.78
44	1	4		23.81
45	6	2	Glenn Victor Sutanto	23.83
45	7	0		23.83
47	7	4		23.95
48	6	0		23.97	NR
49	5	5		24.09	NR
50	2	4		24.15	NR
51	5	7		24.64
52	5	3		24.67
53	2	7		25.04
54	5	1		25.35
55	4	5		25.67
55	5	6		25.67
57	5	0		25.71
58	5	2		25.78
59	4	3		25.95
60	5	9		26.10
61	5	8		26.12
62	3	5		26.33
63	4	2		26.46
64	4	8		26.54
65	4	6		26.59
66	1	3		26.90
67	4	7		26.95
68	4	1		27.28
69	4	4		27.45
70	2	5		27.57
71	2	6		27.71
72	3	2		27.79
73	3	1		28.42
74	3	4		29.01
75	2	3		29.21
76	4	9		29.23
77	2	1		29.36
78	3	9		29.55
79	3	6		29.59
80	1	5		29.77
80	3	3		29.77
82	2	8		30.30
83	3	7		31.52
84	3	8		31.58
	2	2
	3	0
	4	0
	7	3
	8	2
	9	0
	10	3

The semifinals were started on 19 December at 18:34.^[3]

Rank	Heat	Lane	Time	Notes
1	2	5	22.11	Q
2	1	6	22.12	Q
3	2	4	22.18	Q, NR
4	2	3	22.20	Q
5	2	1	22.29	Q
6	2	8	22.36	Q
7	1	3	22.44	Q
8	1	4	22.45	Q
9	2	7	22.59
10	2	2	22.61
11	2	6	22.63	NR
12	1	7	22.74
13	1	5	22.75
14	1	1	22.81
15	1	2	22.83
16	1	8	22.86

The final was held on 20 December at 18:41.^[4]