Swimming at the 2017 World Aquatics Championships – Men's 200 metre butterfly explained

Event:	Men's 200 metre butterfly
Championship:	2017 World Aquatics Championships
Dates:	25 July (heats and semifinals) 26 July (final)
Venue:	Danube Arena
Location:	Budapest, Hungary
Competitors:	44
Nations:	39
Win Value:	1:53.33
Gold:	Chad le Clos
Gold Nation:	RSA
Silver:	László Cseh
Silver Nation:	HUN
Bronze:	Daiya Seto
Bronze Nation:	JPN
Prev:	2015
Next:	2019

The Men's 200 metre butterfly competition at the 2017 World Championships was held on 25 and 26 July 2017.^[1] ^[2]

Records

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

The heats were held on 25 July at 10:12.^[3]

Rank	Heat	Lane	Time	Notes
1	5	4	1:54.08	Q
2	4	5	1:54.89	Q
3	5	6	1:55.13	Q
4	4	8	1:55.55	Q NR
5	5	5	1:55.90	Q
6	4	4	1:55.94	Q
7	3	4	1:55.96	Q
8	3	5	1:56.00	Q
9	4	7	1:56.07	Q
10	4	2	1:56.20	Q
11	5	3	1:56.23	Q
12	4	6	1:56.52	Q
13	3	6	1:56.57	Q
14	3	7	1:56.60	Q NR
15	5	2	1:56.61	Q
16	4	3	1:56.71	Q
17	5	7	1:56.75
18	3	2	1:56.76
19	4	1	1:57.37
20	3	8	1:57.96
21	3	3	1:58.63
22	5	8	1:58.88
23	3	1	1:59.02
24	5	1	1:59.07
25	5	9	1:59.10
26	3	0	1:59.41
27	3	9	1:59.87
28	5	0	1:59.91
29	2	2	2:00.53
30	2	4	2:00.57
31	2	1	2:00.63	NR
32	4	0	2:01.50
33	4	9	2:02.31
34	2	8	2:01.44
35	2	7	2:01.49
36	2	5	2:01.73
37	2	3	2:03.10
38	2	6	2:03.19
39	1	3	2:03.57
40	1	4	2:06.02
41	2	9	2:06.29
42	1	6	2:06.45
43	2	0	2:07.30
44	1	5	2:12.21

The semifinals were held on 25 July at 19:04.^[4]

Rank	Lane	Time	Notes
1	4	1:54.03	Q
2	6	1:55.30	Q
3	3	1:55.57	Q
4	5	1:55.58	Q
5	2	1:55.84
6	7	1:56.59
7	8	1:56.85
8	1	1:57.60

Rank	Lane	Time	Notes
1	4	1:54.22	Q
2	6	1:54.98	Q
3	3	1:55.09	Q
4	5	1:55.39	Q
5	7	1:55.82
6	2	1:55.84
7	8	1:56.33
8	1	1:57.66

The final was held on 26 July at 18:01.^[5]