Swimming at the 2013 World Aquatics Championships – Men's 50 metre butterfly explained

Event:	Men's 50 metre butterfly
Competition:	2013 World Aquatics Championships
Venue:	Palau Sant Jordi
Dates:	July 28, 2013 (heats &<br/>semifinals) July 29, 2013 (final)
Competitors:	78
Nations:	71
Win Value:	23.01
Gold:	César Cielo
Goldnoc:	BRA
Silver:	Eugene Godsoe
Silvernoc:	USA
Bronze:	Frédérick Bousquet
Bronzenoc:	FRA
Prev:	2011
Next:	2015

The men's 50 metre butterfly event in swimming at the 2013 World Aquatics Championships took place on 28–29 July at the Palau Sant Jordi in Barcelona, Spain.^[1] ^[2]

Records

Prior to this competition, the existing world and championship records were:

The heats were held at 11:05.^[3]

Rank	Heat	Lane	Time	Notes
1	9	5	23.02	Q
2	7	3	23.17	Q
3	8	5	23.18	Q
4	9	2	23.19	Q
5	9	7	23.21	Q, NR
6	8	2	23.29	Q
7	9	6	23.31	Q
8	7	5	23.32	Q
9	9	3	23.36	Q
10	9	8	23.43	Q
11	8	3	23.45	Q
12	8	4	23.45	Q
13	9	4	23.49	Q
14	8	6	23.50	Q
15	7	4	23.50	Q
16	9	9	23.53	Q
17	7	2	23.58
18	7	9	23.65
19	8	8	23.65
20	8	7	23.68
21	7	6	23.72
22	7	7	23.75
23	8	1	23.76
24	8	9	23.84	NR
25	7	8	23.94	NR
26	5	9	23.98
27	9	1	23.98
28	7	1	24.01
29	5	4	24.14
30	8	0	24.15
31	6	6	24.20
32	6	0	24.25
33	9	0	24.29
34	6	4	24.31
35	5	7	24.32	NR
36	6	7	24.43
37	6	5	24.45
38	5	5	24.54
39	6	8	24.70
40	5	6	24.71
41	6	9	24.73
42	5	2	24.88
43	5	8	24.89
44	5	1	24.96	NR
45	6	3	24.98
46	6	2	25.06
47	5	3	25.08
48	6	1	25.17
49	4	7	25.53
50	4	5	25.56
51	3	2	25.81
52	4	6	25.98
53	4	4	26.08
54	3	6	26.09
55	7	0	26.10
56	4	1	26.13
57	4	8	26.20
58	4	0	26.31
59	3	3	26.39
60	5	0	26.67
61	4	2	26.69
62	3	4	26.70
63	3	5	26.72
64	4	3	26.79
65	3	7	27.06
66	4	9	27.09
67	1	5	27.10
68	3	8	27.11
69	3	0	28.01
70	2	3	28.03
71	3	9	28.25
72	3	1	28.50
73	2	4	28.71
74	2	6	29.56
75	2	7	30.36
76	2	2	30.79
77	2	1	35.66
78	2	8	35.88
	1	4
	2	5

The semifinals were held at 18:37.^[4]

Rank	Lane	Time	Notes
1	7	22.81	Q
2	1	22.93	Q
3	8	23.02	Q
4	5	23.15	Q
5	6	23.16	Q
6	4	23.25
7	2	23.39
8	3	23.50

The final was held at 18:47.^[5]

Web site: BCN 2013 – Swimming: Schedule. FINA. 8 July 2013. 21 July 2013. dead. https://web.archive.org/web/20131223050621/http://www.fina.org/H2O/index.php?option=com_content&view=article&id=3355&Itemid=1407. 23 December 2013.
Web site: Start list . 2013-07-27 . 2018-10-15 . https://web.archive.org/web/20181015041640/http://omegatiming.com/File/Download?id=00010D020100030C00FFFFFFFFFFFF01 . live .
Web site: Heats Results . 2013-07-28 . 2015-09-24 . https://web.archive.org/web/20150924133945/http://www.omegatiming.com/File/Download?id=00010D020100030C00FFFFFFFFFFFF02 . live .
Web site: Semifinal Results . 2013-07-28 . 2015-09-24 . https://web.archive.org/web/20150924133948/http://www.omegatiming.com/File/Download?id=00010D020100030C01FFFFFFFFFFFF02 . live .
Web site: Final Results . 2013-07-29 . 2015-09-24 . https://web.archive.org/web/20150924133951/http://www.omegatiming.com/File/Download?id=00010D020100030C02FFFFFFFFFFFF02 . live .