2024 World Aquatics Swimming Championships (25 m) – Men's 100 metre butterfly

Men's 100 metre butterfly at the 2024 World Aquatics Swimming Championships (25 m)
Venue	Duna Arena
Location	Budapest, Hungary
Dates	13 December (heats and semifinals) 14 December (final)
Competitors	73

The Men's 100 metre butterfly competition of the 2024 World Aquatics Swimming Championships (25 m) was held on 13 and 14 December 2024.

Records

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

World record	Caeleb Dressel (USA)	47.78	Budapest, Hungary	21 November 2020
Competition record	Chad le Clos (RSA)	48.08	Windsor, Canada	8 December 2016

Results

Heats

The heats were started on 13 December at 10:26.

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	8	7	Ilya Kharun	Canada	49.17	Q
2	7	4	Maxime Grousset	France	49.22	Q
3	8	4	Noe Ponti	Switzerland	49.35	Q
4	8	8	Hubert Kos	Hungary	49.36	Q
5	5	1	Youssef Ramadan	Egypt	49.37	Q
6	7	5	Matthew Temple	Australia	49.45	Q
7	7	7	Dare Rose	United States	49.55	Q
8	8	3	Andrei Minakov	Neutral Athletes B	49.58	Q
9	7	6	Simone Stefani'	Italy	49.81	Q
10	7	3	Roman Shevliakov	Neutral Athletes B	49.97	Q
11	7	1	Simon Bucher	Austria	49.98	Q
12	6	5	Chad Le Clos	South Africa	50.04	Q
=13	6	6	Clement Secchi	France	50.12	Q
=13	8	2	Takaya Yasue	Japan	50.12	Q
=15	6	2	Michele Busa	Italy	50.15	Q
=15	8	5	Tzen Wei Teong	Singapore	50.15	Q
17	6	4	Nyls Korstanje	Netherlands	50.23	R
18	6	3	Jacob Peters	United Kingdom	50.30	R
19	6	1	Durde Matic	Serbia	50.34
20	8	0	Zach Harting	United States	50.36
21	6	7	Jakub Majerski	Poland	50.42
=22	5	4	Adilbek Mussin	Kazakhstan	50.55
=22	7	0	Finlay Knox	Canada	50.55
24	6	8	Nicolas Albiero	Brazil	50.63
25	4	3	Jorge Otaiza	Venezuela	50.67
26	6	9	Joshua Gammon	United Kingdom	50.68
27	5	3	Adrian Jaskiewicz	Poland	50.69
28	8	1	Grigori Pekarski	Neutral Athletes A	50.74
29	7	2	Ruard Van Renen	South Africa	50.91
30	7	8	Maro Miknic	Croatia	51.02
31	7	9	Kaii Winkler	Germany	51.32
32	5	6	Denis-Laurean Popescu	Romania	51.44
33	8	6	Daniel Gracik	Czech Republic	51.45
=34	5	5	Maxim Skazobtsov	Kazakhstan	51.50
=34	8	9	Mario Molla Yanes	Spain	51.50
36	5	7	Alex Ahtiainen	Estonia	51.60
37	5	8	Taiyu Li	China	51.61
38	5	9	Arsenii Kovalov	Ukraine	51.64
39	6	0	Emre Gurdenli	Turkey	52.21
40	4	5	Bryan Leong Xin Ren	Malaysia	52.42
41	5	0	Ralph Yat Ho Koo	Hong Kong	52.53
42	4	7	Diego Balbi	Peru	52.80
43	4	2	Kenan Dracic	Bosnia and Herzegovina	52.83
44	3	5	Steven Aimable	Senegal	52.91
45	3	3	Samuel Kostal	Slovakia	53.06
46	3	0	Colins Obi Ebingha	Nigeria	53.14
47	4	8	Christopher Elson	New Zealand	53.16
48	3	4	Benjamin Schnapp	Chile	53.31
49	4	6	Milos Milenkovic	Montenegro	53.36
50	4	9	Abeku Jackson	Ghana	53.38
51	4	4	Birnir Freyr Halfdanarson	Iceland	53.41
52	4	1	Elijah Daley	Bermuda	53.52
53	3	6	Christian Vladimir Jerome	Haiti	54.24
54	3	7	Ethan Stubbs-Green	Netherlands Antilles	54.84
55	3	9	Nathaniel Thomas	Jamaica	54.93
56	3	8	Jovan Jankovski	North Macedonia	55.08
57	3	2	Tameea Elhamayda	Qatar	55.18
58	2	4	Collins Saliboko	Tanzania	55.45
59	2	9	Hashim Ahmed Faraj Haba	Iraq	55.49
60	3	1	Mohamad Eyad Masoud	ART	55.89
61	2	5	Jefferson Kpanou	Benin	56.33
62	1	3	Daniyal Hatim	Pakistan	56.69
63	1	5	Salem Sabt	United Arab Emirates	56.78
64	2	0	Jayden Elijah Asher Loran	Curaçao	57.09
65	2	1	Mskm Al Kulaibi	Oman	58.43
66	2	7	Soud Alenezi	Kuwait	58.49
67	2	3	Jaden Francis	Guam	59.47
68	2	6	Kinley Lhendup	Bhutan	59.79
69	2	2	Mohamed Rihan Shiham	Maldives	59.94
70	1	4	Jonathan Bardales Essien	Saint Kitts and Nevis	1:00.32
71	2	8	Charlie Gibbons	Palau	1:01.95
	4	0	Isak Brisenfeldt	Faroe Islands	Did not start
	5	2	Max McCusker	Ireland

Semifinals

The semifinals were started on 13 December at 18:35.

Rank	Heat	Lane	Name	Nationality	Time	Notes

Final

The final was held on 14 December at 17:40.

Rank	Lane	Name	Nationality	Time	Notes