2018 FINA World Swimming Championships (25 m) – Men's 100 metre butterfly explained

The Men's 100 metre butterfly competition of the 2018 FINA World Swimming Championships (25 m) was held on 12 and 13 December 2018 at the Hangzhou Olympic Sports Center.^[1]

Records

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

	Name	Nation	Time	Location	Date
World record	Chad le Clos		48.08	Windsor	8 December 2016
Championship record	Chad le Clos		48.08	Windsor	8 December 2016

Results

Heats

The heats were started at 10:33.^[2]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	6	6			49.23	Q
2	8	4			49.34	Q
3	8	3			49.54	Q
4	6	5			50.07	Q
5	8	1			50.20	Q
6	8	5			50.29	Q
7	6	4			50.34	Q
8	7	5			50.42	Q
9	7	3			50.58	Q
10	7	2			50.74	Q
11	8	6			50.99	Q
12	8	7			51.04	Q
13	7	6			51.21	Q
14	6	0			51.25	Q
15	6	3			51.28	Q
16	8	0			51.35	Q
17	6	2			51.41
17	8	2			51.41
19	4	3			51.50
20	5	5			51.54
20	7	1			51.54
22	6	7			51.65
23	6	8			51.69
24	7	8			51.73
25	5	2			51.81
26	6	1			51.90
27	7	9			51.97
28	5	6			52.13
29	7	0			52.28
30	8	8			52.30
31	7	7			52.32
32	5	0			52.43
33	5	7			52.50
34	6	9			52.53
35	5	3			52.57
36	5	1			52.62
37	5	9			52.91
37	8	9			52.91
39	4	4			53.40
40	4	1			53.49
41	2	0			53.62	NR
42	5	8			53.80
43	5	4			54.21
44	4	0			54.25
45	4	2			54.37
46	4	5			54.42
47	4	9			54.75
48	4	8			55.43	NR
49	4	6			55.53
50	2	9			56.04
51	3	4			56.25
51	4	7			56.25
53	1	2			56.77
54	3	3			57.00
55	1	7			57.13
56	3	8			57.57
57	3	1			57.64
58	3	6			57.84
59	3	0			57.90
60	3	9			58.22
61	2	4			58.39
62	3	5			58.41
63	3	7			58.61
64	3	2			58.63
65	2	5			59.18
66	1	8			59.55
67	2	3			59.96
68	1	3			59.99
69	1	5
70	2	8
71	2	6
72	2	2
73	1	6
74	2	1
75	2	7
76	1	1
77	1	4
	7	4

Semifinals

The semifinals were held at 20:22.^[3]

Semifinal 1

Rank	Lane	Name	Nationality	Time	Notes
1	4			49.07	Q
2	3			49.36	Q, AS
3	6			49.77	Q
4	5			50.23	Q
5	7			50.49	WJ
6	2			50.54
7	1			50.95
8	8			51.53

Semifinal 2

Rank	Lane	Name	Nationality	Time	Notes
1	4			48.93	Q
2	5			49.35	Q
3	6			49.94	Q
4	3			50.41	Q
5	7			50.76
6	2			50.77
7	1			50.94
8	8			51.18

Final

The final was held at 20:00.^[4]

Rank	Lane	Name	Nationality	Time	Notes
	5			48.50
	4			48.71
	6			49.25	AS
4	2			49.45
5	3			49.50
6	7			50.07
7	8			50.32
8	1			50.71

Notes and References

1. Web site: Competition Schedule. Omega Timing. 14 December 2018. 19 December 2018.
2. Web site: Heats results . 2019-07-24 . https://web.archive.org/web/20191103133304/https://www.omegatiming.com/File/000112010C0104EC01FFFFFFFFFFFF01.pdf . 2019-11-03 . dead .
3. https://web.archive.org/web/20210810215627/https://www.omegatiming.com/File/000112010C0104EC02FFFFFFFFFFFF01.pdf Semifinals results
4. https://web.archive.org/web/20191231200338/https://www.omegatiming.com/File/000112010C0104EC04FFFFFFFFFFFF01.pdf Final results