2021 FINA World Swimming Championships (25 m) – Men's 50 metre backstroke explained

Event:	Men's 50 metre backstroke
Competition:	2021 FINA World Swimming Championships (25 m)
Venue:	Etihad Arena
Location:	Abu Dhabi, United Arab Emirates
Dates:	18 December (heats and semifinals) 19 December (final)
Competitors:	49
Nations:	42
Gold:	Kliment Kolesnikov
Silver:	Christian Diener
Silvernoc:	GER
Silver2:	Lorenzo Mora
Silvernoc2:	ITA
Prev:	2018
Next:	2022

The Men's 50 metre backstroke competition of the 2021 FINA World Swimming Championships (25 m) was held on 18 and 19 December 2021.^[1]

Records

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

The heats were started on 18 December at 09:59.^[2]

Rank	Heat	Lane	Time	Notes
1	6	4	23.14	Q
2	5	3	23.15	Q
3	3	4	23.23	Q
4	5	5	23.26	Q
5	6	5	23.28	Q
6	4	6	23.33	Q
7	4	5	23.47	Q
8	4	3	23.49	Q
8	4	7	23.49	Q, NR
10	5	4	23.50	Q
11	5	2	23.54	Q, NR
11	6	3	23.54	Q
13	5	6	23.57	Q
14	4	4	23.58	Q
15	5	7	23.63	Q
16	6	1	23.75
16	6	2	23.75
18	6	7	23.77
18	6	8	23.77
20	5	1	23.94
21	5	8	23.96
21	6	6	23.96
23	4	2	23.98
24	4	1	24.03
25	4	0	24.32
26	3	1	24.40	NR
26	4	9	24.40	NR
28	6	9	24.41
29	5	0	24.42
30	4	8	24.44
31	6	0	24.48
32	3	7	24.71	NR
33	5	9	24.76
34	3	8	24.82
35	3	9	25.17	NR
36	3	6	25.30
37	2	4	25.31
38	3	5	25.49
39	2	5	25.86
40	3	0	25.96
41	2	3	26.18	NR
42	3	2	26.38
43	3	3	26.56
44	2	2	26.68
45	2	1	27.04
46	2	6	27.80
47	1	3	28.96
48	2	7	29.44
49	2	8	30.17
	1	4	DNS
	1	5	DNS

The swim-off was held on 18 December at 11:38.^[3]

Rank	Lane	Name	Nationality	Time	Notes
1	4			23.41	Q, NR
2	5			23.71

The semifinals were started on 18 December at 19:25.^[4]

Rank	Heat	Lane	Time	Notes
1	1	5	22.74	Q
2	2	4	22.78	Q
3	2	3	22.89	Q
4	1	6	23.13	Q
4	2	5	23.13	Q
6	1	2	23.15	Q
7	1	3	23.17	Q
8	1	7	23.26	Q
9	1	1	23.28
10	1	8	23.35	NR
11	1	4	23.37
12	2	2	23.40	NR
13	2	6	23.51
14	2	1	23.54
15	2	8	23.58
16	2	7	23.65

The final was held on 19 December at 19:35.^[5]