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

Men's 100 metre freestyle at the 2024 World Aquatics Swimming Championships (25 m)
Venue	Duna Arena
Location	Budapest, Hungary
Dates	11 December (heats and semifinals) 12 December (final)
Competitors	106

The Men's 100 metre freestyle competition of the 2024 World Aquatics Swimming Championships (25 m) was held on 11 and 12 December 2024.

Records

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

World record	Kyle Chalmers (AUS)	44.84	Kazan, Russia	29 October 2021
Competition record	Kyle Chalmers (AUS)	45.16	Melbourne, Australia	15 December 2022

The following record was established during the competition:

Date	Event	Name	Nationality	Time	Record
10 December	4 × 100 metre freestyle relay - Final	Jack Alexy	United States	45.05	CR
11 December	100 metre freestyle - Heat 9	Jordan Crooks	Cayman Islands	44.95	CR

Results

Heats

The heats were started on 11 December at 09:23.

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	9	8	Jordan Crooks	Cayman Islands	44.95	Q, CR, AM
2	10	1	Chris Guiliano	United States	45.94	Q
3	11	4	Maxime Grousset	France	46.01	Q
4	9	4	Guilherme Santos	Brazil	46.06	Q
5	11	5	Egor Kornev	Neutral Athletes B	46.07	Q
6	11	2	Shane Ryan	Ireland	46.23	Q
7	8	1	Youssef Ramadan	Egypt	46.24	Q
8	9	2	Heiko Gigler	Austria	46.45	Q
9	10	7	Jack Alexy	United States	46.57	Q
10	9	0	Jere Hribar	Croatia	46.60	Q
=11	8	6	Tomas Navikonis	Lithuania	46.63	Q
=11	11	3	Dylan Carter	Trinidad and Tobago	46.63	Q, WD
13	9	7	Rafael Miroslaw	Germany	46.74	Q
14	10	4	Alessandro Miressi	Italy	46.82	Q
=15	8	8	Lamar Taylor	Bahamas	46.89	Q
=15	9	9	Kamil Sieradzki	Poland	46.89	Q
17	9	5	Leonardo Deplano	Italy	46.98	R
18	10	5	Nandor Nemeth	Hungary	47.00	R
19	11	8	Patrick Sebastian Dinu	Romania	47.05
20	7	9	Tomas Koski	Finland	47.13
21	8	9	Robin Hanson	Sweden	47.18
22	9	3	Marco Antonio Ferreira	Brazil	47.19
23	10	3	Dmitrii Zhavoronkov	Neutral Athletes B	47.22
=24	9	6	Wudi Liu	China	47.24
=24	10	0	Yuri Kisil	Canada	47.24
26	11	7	Harrison Turner	Australia	47.31
=27	9	1	Sergio De Celis Montalban	Spain	47.47
=27	10	9	Mikel Schreuders	Aruba	47.47
29	11	9	Luis Dominguez	Spain	47.64
30	11	6	Kaiya Seki	Japan	47.67
31	7	0	Deniel Genadiev Nankov	Bulgaria	47.71
32	10	8	Matej Dusa	Slovakia	47.84
33	8	4	Bjoernar Laskerud	Norway	47.85
34	6	4	Simon Doueihy	Lebanon	47.91
35	10	6	Edward Sommerville	Australia	47.96
36	11	0	Velimir Stjepanovic	Serbia	47.99
37	8	3	Jeremie Loic Nino Luong	Vietnam	48.11
38	7	4	Adilbek Mussin	Kazakhstan	48.17
39	6	3	Martin Kartavi	Israel	48.21
40	7	8	Roman Mityukov	Switzerland	48.27
41	11	1	Emre Gurdenli	Turkey	48.28
=42	5	4	Diego Aranda	Uruguay	48.44
=42	7	7	Konstantinos Englezakis	Greece	48.44
44	5	5	Marwane Sebbata	Morocco	48.48
45	6	2	Yin Chuen Lim	Malaysia	48.49
46	8	7	Ardi Azman	Singapore	48.57
=47	7	1	Lars Kuljus	Estonia	48.66
=47	8	0	Daniel Gracik	Czech Republic	48.66
49	7	2	Rafael Ponce De Leon	Peru	48.81
50	6	8	Samyar Abdoli	Iran	48.89
51	6	0	Gabriel Martinez	Honduras	48.91
52	6	1	Javier Nunez	Dominican Republic	49.03
53	7	3	Adi Mesetovic	Bosnia and Herzegovina	49.05
54	8	2	Pongpanod Trithan	Thailand	49.10
55	8	5	Hugo Wrathall	New Zealand	49.39
56	10	2	Ruard Van Renen	South Africa	49.43
57	1	5	William Birkett Feraud	Ecuador	49.52
58	7	5	Enkhtamir Batbayar	Mongolia	49.71
59	7	6	Luka Kukhalashvili	Georgia	49.73
60	4	2	Miguel Vasquez	Guatemala	49.79
61	6	6	Grisi Koxhaku	Albania	49.89
62	6	5	Adrian Vargas	Costa Rica	49.91
63	5	9	Colins Obi Ebingha	Nigeria	49.96
64	4	6	Jovan Jankovski	North Macedonia	50.30
65	5	7	Musa Zhalayev	Turkmenistan	50.37
66	5	2	Stefano Mitchell	Netherlands Antilles	50.38
=67	5	0	Aryaan Din	Pakistan	50.47
=67	5	1	Hansel Mccaig	Fiji	50.47
69	4	4	Hector Langkilde	Samoa	50.73
70	4	3	Nixon Hernandez	El Salvador	50.77
71	4	5	Mohamad Zubaid	Kuwait	51.09
72	4	1	Collins Saliboko	Tanzania	51.10
73	6	9	Tendo Mukalazi	Uganda	51.20
74	5	3	Alaa Maso	ART	51.33
75	3	4	Israel Poppe	Guam	51.36
76	1	4	Ismael Jair Holtuin	Suriname	51.38
77	1	2	Adnan Al-Abdallat	Jordan	51.46
78	3	5	Belly-Cresus Ganira	Burundi	51.49
79	4	7	Antoine De Lapparent	Cambodia	51.52
80	4	0	Mohammed Jibali	Libya	51.55
81	4	9	Finau Ohuafi	Tonga	52.16
82	3	2	Mohame Aan Hussain	Maldives	52.29
83	3	0	Joel Ling	Brunei	52.41
84	3	1	Mohammed Hani S Al Zaki	Saudi Arabia	52.54
85	4	8	Amos Ferley	Seychelles	52.75
86	3	3	Rony Daher	Bolivia	53.03
87	5	8	Sidrell Williams	Jamaica	53.15
88	1	3	Kenale Alleyne	Saint Vincent and the Grenadines	53.21
89	3	6	Ardasher Gadoev	Tajikistan	55.06
90	2	4	Yousif Ibrahim	Sudan	55.40
91	3	8	B. Andriampenomanana	Madagascar	55.69
92	3	7	Sangay Tenzin	Bhutan	55.73
93	3	9	Cedrick Niyibizi	Rwanda	56.38
94	2	6	Houmed Houssein/Barkat	Djibouti	56.77
95	2	2	Christian Chang-Chipolina	Gibraltar	58.12
96	2	5	Asher Banda	Malawi	58.32
97	2	3	Elhadj N'Gnane Diallo	Guinea	58.71
98	1	6	Phixaiyadeth Thirakul	Laos	1:00.83
99	2	7	Ousman Jobe	Gambia	1:04.03
100	2	1	Jolanio Guterres	Timor-Leste	1:04.39
101	1	1	Jaya Corder	Marshall Islands	1:05.50
	1	7	Thabo Motsopa	Lesotho	Did not start
	2	0	M. Mamane Hamissou Abba	Niger
	2	8	Pedro Rogery	Guinea-Bissau
	5	6	Matthew Abeysinghe	Sri Lanka
	6	7	Ian Ho	Hong Kong

Semifinals

The semifinals were started on 11 December at 17:58.

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	2	4	Jordan Crooks	Cayman Islands	45.22	Q
2	2	2	Jack Alexy	United States	45.29	Q
3	2	3	Egor Kornev	Neutral Athletes B	45.52	Q
4	2	5	Maxime Grousset	France	45.59	Q
5	2	1	Alessandro Miressi	Italy	45.69	Q
6	1	5	Guilherme Santos	Brazil	45.86	Q
7	1	4	Chris Guiliano	United States	46.08	Q
8	2	7	Tomas Navikonis	Lithuania	46.09	Q
9	1	2	Jere Hribar	Croatia	46.18	R
10	1	3	Shane Ryan	Ireland	46.24	R
11	1	8	Leonardo Deplano	Italy	46.29
12	1	7	Rafael Miroslaw	Germany	46.33
13	1	1	Lamar Taylor	Bahamas	46.34
14	2	6	Youssef Ramadan	Egypt	46.41
15	2	8	Kamil Sieradzki	Poland	46.43
16	1	6	Heiko Gigler	Austria	46.46