2021 FINA World Swimming Championships (25 m) – Men's 100 metre backstroke

The Men's 100 metre backstroke competition of the 2021 FINA World Swimming Championships (25 m) was held on 16 and 17 December 2021.

Men's 100 metre backstroke at the 2021 FINA World Swimming Championships (25 m)
Venue	Etihad Arena
Location	Abu Dhabi, United Arab Emirates
Dates	16 December (heats and semifinals) 17 December (final)
Competitors	56 from 49 nations
Winning time	49.23
Medalists
Shaine Casas   United States   Kliment Kolesnikov   Robert Glință   Romania

Records

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

World record	Coleman Stewart (USA)	48.33	Naples, Italy	29 August 2021
Competition record	Stanislav Donets (RUS)	48.95	Dubai, United Arab Emirates	19 December 2010

Results

Heats

The heats were started on 16 December at 10:56.

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	4	3	Kacper Stokowski	Poland	50.38	Q
1	4	4	Guilherme Guido	Brazil	50.38	Q
3	6	0	Shaine Casas	United States	50.40	Q
3	6	6	Lorenzo Mora	Italy	50.40	Q
5	4	5	Pavel Samusenko	Russian Swimming Federation	50.52	Q
6	6	4	Kliment Kolesnikov	Russian Swimming Federation	50.55	Q
7	5	5	Apostolos Christou	Greece	50.80	Q
8	5	4	Robert Glință	Romania	50.83	Q
9	6	5	Christian Diener	Germany	50.88	Q
10	5	3	Gabriel Fantoni	Brazil	50.92	Q
11	5	6	Thomas Ceccon	Italy	51.01	Q
12	5	2	Tomáš Franta	Czech Republic	51.04	Q
13	6	1	Armin Evert Lelle	Estonia	51.09	Q, NR
14	6	3	Radosław Kawęcki	Poland	51.25	Q
15	6	7	Hugo González	Spain	51.35	Q
16	4	7	Markus Lie	Norway	51.46	QSO
16	6	2	Yohann Ndoye Brouard	France	51.46	QSO
18	5	0	Mewen Tomac	France	51.50
18	5	7	Jan Čejka	Czech Republic	51.50
20	4	2	Ole Braunschweig	Germany	51.87
21	5	1	Rasim Oğulcan Gör	Turkey	51.92
22	5	9	Ádám Telegdy	Hungary	52.07
23	3	4	Roman Mityukov	Switzerland	52.19
24	4	6	Viktar Staselovich	Belarus	52.25
25	4	1	Yeziel Morales	Puerto Rico	52.26
26	5	8	Won Young-jun	South Korea	52.54
27	4	8	Francisco Santos	Portugal	52.78
28	4	9	Srihari Nataraj	India	52.81	NR
29	3	9	Jack Kirby	Barbados	52.82	NR
30	6	8	Ronny Brännkärr	Finland	52.90
31	6	9	Lau Shiu Yue	Hong Kong	52.96
32	3	6	Kaloyan Levterov	Bulgaria	53.21
33	3	2	Song Yukuan	China	53.54
34	2	5	Max Mannes	Luxembourg	53.63
35	2	3	Jerard Jacinto	Philippines	53.69	NR
36	4	0	Michael Laitarovsky	Israel	53.82
37	3	5	Oleksandr Zheltiakov	Ukraine	53.90
38	3	8	Charles Hockin	Paraguay	54.22
39	2	4	I Gede Siman Sudartawa	Indonesia	54.27
40	3	1	Tonnam Kanteemool	Thailand	54.54	NR
41	2	1	Akalanka Peiris	Sri Lanka	54.83
42	2	8	Steven Aimable	Senegal	54.86
43	3	0	Ziyad Saleem	Sudan	54.99
44	2	7	Filippos Iakovidis	Cyprus	55.00	NR
45	3	3	Maximillian Wilson	United States Virgin Islands	55.42
46	2	2	Julio Pérez	Costa Rica	55.55
47	2	9	Felipe Jaramillo	Ecuador	56.28
48	3	7	Abdellah Ardjoune	Algeria	56.94
49	2	0	Ali Al-Zamil	Kuwait	57.58
50	1	4	Mekhayl Engel	Curaçao	57.98
51	2	6	Omar Al-Rowaila	Bahrain	58.30
52	1	6	Juhn Tenorio	Northern Mariana Islands	58.85
53	1	3	Rashad Alguliyev	Azerbaijan	58.96
54	1	2	Juwel Ahmmed	Bangladesh	59.81
55	1	5	Ahmed Al-Marzooqi	United Arab Emirates	1:02.99
56	1	7	Ali Imaan	Maldives	1:03.02

Swim-off

The swim-off was held on 16 December at 12:42.

Rank	Lane	Name	Nationality	Time	Notes
1	5	Yohann Ndoye Brouard	France	51.09	Q
2	4	Markus Lie	Norway	51.21

Semifinals

The semifinals were started on 16 December at 18:16.

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	1	3	Kliment Kolesnikov	Russian Swimming Federation	49.57	Q
1	2	5	Shaine Casas	United States	49.57	Q
3	2	6	Apostolos Christou	Greece	49.89	Q
4	2	4	Kacper Stokowski	Poland	49.94	Q
5	1	5	Lorenzo Mora	Italy	49.99	Q
6	1	4	Guilherme Guido	Brazil	50.05	Q
7	2	3	Pavel Samusenko	Russian Swimming Federation	50.11	Q
8	1	6	Robert Glință	Romania	50.21	Q
9	2	7	Thomas Ceccon	Italy	50.22
10	2	2	Christian Diener	Germany	50.30
11	1	2	Gabriel Fantoni	Brazil	50.34
12	1	7	Tomáš Franta	Czech Republic	50.59	NR
13	1	1	Radosław Kawęcki	Poland	50.88
14	1	8	Yohann Ndoye Brouard	France	50.96
15	2	1	Armin Evert Lelle	Estonia	51.00	NR
16	2	8	Hugo González	Spain	51.34

Final

The final was held on 17 December at 18:07.

Rank	Lane	Name	Nationality	Time	Notes
	5	Shaine Casas	United States	49.23
	4	Kliment Kolesnikov	Russian Swimming Federation	49.46
	8	Robert Glință	Romania	49.60
4	1	Pavel Samusenko	Russian Swimming Federation	49.65
5	6	Kacper Stokowski	Poland	49.80
5	7	Guilherme Guido	Brazil	49.80
7	3	Apostolos Christou	Greece	49.91
8	2	Lorenzo Mora	Italy	49.93