Swimming at the 2024 World Aquatics Championships – Men's 100 metre butterfly explained

Event:	Men's 100 metre butterfly
Championship:	Swimming at the 2024 World Aquatics Championships
Dates:	16 February (heats and semifinals) 17 February (final)
Venue:	Aspire Dome
Location:	Doha, Qatar
Competitors:	66
Nations:	63
Win Value:	51.17
Gold:	Diogo Ribeiro
Gold Nation:	POR
Silver:	Simon Bucher
Silver Nation:	AUT
Bronze:	Jakub Majerski
Bronze Nation:	POL
Prev:	2023
Next:	2025

The Men's 100 metre butterfly competition at the 2024 World Aquatics Championships was held on 16 and 17 February 2024.^[1] ^[2]

Records

Prior to the competition, the existing world and championship records were as follows.^[3]

The heats were started on 16 February at 09:31.^[4]

Rank	Heat	Lane	Time	Notes
1	8	5	51.42	Q
2	6	4	51.60	Q
3	8	4	51.70	Q
4	7	6	51.75	Q
5	8	3	51.78	Q
6	6	3	51.94	Q
7	6	5	51.96	Q
8	7	5	52.04	Q
8	8	7	52.04	Q
10	7	3	52.10	Q
11	6	2	52.12	Q
12	7	4	52.21	Q
13	6	6	52.31	Q
14	7	2	52.44	Q
15	7	7	52.46	Q
16	8	6	52.52	SO
16	8	9	52.52	SO
18	8	8	52.62
19	5	4	52.72
20	6	1	52.77
21	7	9	52.78	NR
22	5	9	52.81
23	6	7	52.83
24	6	0	53.10
24	8	0	53.10
26	6	9	53.27
27	5	2	53.31
28	5	8	53.32
29	5	3	53.57
30	8	1	53.58
31	5	1	53.62
32	7	0	53.75
33	4	6	53.77	NR
34	5	5	53.96
35	5	6	53.97
36	4	7	54.22
37	4	4	54.23
38	5	0	54.28
39	4	5	54.48
40	4	2	54.71
41	4	1	54.75
42	4	9	54.88
43	4	3	55.27
44	6	8	55.39
45	1	3	55.86
45	3	4	55.86
47	3	2	56.24
48	4	8	56.68
49	3	6	56.95
50	3	3	57.26
51	3	5	57.29
52	3	8	57.39
53	2	1	58.47
54	3	1	58.51
55	3	9	58.61
56	2	5	58.62
57	3	0	59.01
57	3	7	59.01
59	2	3	59.75
60	2	4	59.77
61	2	2	1:00.66
62	2	6	1:01.87
63	1	5	1:02.36
64	2	7	1:03.53
65	2	8	1:05.63
66	1	4	1:12.93
–	4	0	Did not start
	5	7
	7	1
	7	8
	8	2

The swim-off was started on 16 February at 11:38.^[5]

Rank	Lane	Name	Nationality	Time	Notes
1	4			51.80	Q
2	5			52.31	NR

The semifinals were held on 16 February at 19:09.^[6]

Rank	Heat	Lane	Time	Notes
1	2	3	51.30	Q, NR
2	2	6	51.33	Q
3	2	4	51.39	Q
4	2	7	51.48	Q
5	1	6	51.70	Q
6	1	2	51.72	Q
7	2	5	51.75	Q
8	1	3	51.78	Q
9	1	4	51.85
10	1	8	51.99
11	1	5	52.06
12	2	2	52.07
13	1	1	52.12
14	2	8	52.15
15	2	1	52.28
16	1	7	52.75

The final was held on 17 February at 19:42.^[7]

Web site: Schedule. 1 November 2023. 1 November 2023. https://web.archive.org/web/20231101033353/https://resources.fina.org/fina/document/2023/10/02/ad5051df-a960-47a9-8eef-0beccae7c822/DOHA_2024_SCHEDULES_06.pdf. live.
Web site: Start list. omegatiming.com. 9 February 2024. 10 February 2024. 13 February 2024. https://web.archive.org/web/20240213070552/https://www.omegatiming.com/File/00011800000104EC0101FFFFFFFFFF00.pdf. live.
Web site: Records book. omegatiming.com. 9 February 2024. 10 February 2024. 3 February 2024. https://web.archive.org/web/20240203115839/https://www.omegatiming.com/File/0001180000FFFFFFFFFFFFFFFFFFFF1F.pdf. live.
Web site: Heats results. omegatiming.com. 16 February 2024. 16 February 2024. https://web.archive.org/web/20240216070300/https://www.omegatiming.com/File/00011800000104EC0101FFFFFFFFFF01.pdf. live.
Web site: Swim-off results. omegatiming.com. 16 February 2024. 16 February 2024. https://web.archive.org/web/20240216121226/https://www.omegatiming.com/File/00011800000104EC0106FFFFFFFFFF01.pdf. live.
Web site: Semifinals results. omegatiming.com. 16 February 2024. 16 February 2024. 16 February 2024. https://web.archive.org/web/20240216162100/https://www.omegatiming.com/File/00011800000104EC0102FFFFFFFFFF01.pdf. live.
Web site: Final results. omegatiming.com. 17 February 2024. 17 February 2024. 17 February 2024. https://web.archive.org/web/20240217164835/https://www.omegatiming.com/File/00011800000104EC0104FFFFFFFFFF01.pdf. live.