Swimming at the 2023 World Aquatics Championships – Women's 100 metre backstroke explained

Event:	Women's 100 metre backstroke
Championship:	2023 World Aquatics Championships
Dates:	24 July (heats and semifinals) 25 July (final)
Venue:	Marine Messe Fukuoka
Location:	Fukuoka, Japan
Competitors:	61
Nations:	54
Win Value:	57.53
Gold:	Kaylee McKeown
Gold Nation:	AUS
Silver:	Regan Smith
Silver Nation:	USA
Bronze:	Katharine Berkoff
Bronze Nation:	USA
Prev:	2022
Next:	2024

The women's 100 metre backstroke competition at the 2023 World Aquatics Championships was held on 24 and 25 July 2023.^[1] ^[2] ^[3]

Records

Prior to the competition, the existing world and championship records were as follows.^[4]

The following new records were set during this competition.

Results

Heats

The heats were started on 24 July at 10:32.^[5]

Rank	Heat	Lane	Time	Notes
1	6	4		Q
2	7	4		Q
3	5	4		Q
4	7	5		Q
5	6	3		Q
6	7	2		Q
7	6	6		Q
8	5	5		Q
9	6	5		Q
10	5	7	1:00.04	Q
11	6	1	1:00.10	Q
12	7	6	1:00.11	Q
13	5	3	1:00.40	Q
14	5	1	1:00.45	Q
15	7	0	1:00.46	Q
15	7	3	1:00.46	Q
17	5	2	1:00.51
18	6	8	1:00.56
19	4	4	1:00.83
19	7	1	1:00.83
21	7	7	1:00.87
22	5	6	1:00.95
23	7	9	1:01.08
24	6	0	1:01.27
25	5	8	1:01.32
26	6	2	1:01.40
27	7	8	1:01.51
28	4	3	1:01.66
28	4	6	1:01.66
30	6	7	1:01.67
31	6	9	1:02.03
32	4	1	1:02.34
32	4	5	1:02.34
34	5	0	1:02.62
35	4	8	1:02.77
36	4	7	1:02.87
37	5	9	1:02.91
38	3	4	1:03.12
39	4	9	1:03.14
40	4	2	1:03.18
41	3	5	1:03.45
42	3	1	1:04.27
43	3	6	1:04.40
44	3	3	1:04.53
45	4	0	1:04.66
46	3	2	1:04.85
46	3	8	1:04.85
48	3	0	1:04.86
49	3	7	1:05.32
50	1	3	1:05.35
51	1	4	1:06.80
52	3	9	1:07.17
53	2	5	1:08.59	NR
54	2	1	1:08.60
55	2	4	1:08.97
56	2	8	1:10.29
57	2	3	1:10.51
58	2	6	1:12.19
59	1	5	1:14.69
60	2	2	1:18.17	NR
61	2	7	1:22.06

Semifinals

The semifinals were started on 24 July at 20:53.^[6]

Rank	Heat	Lane	Time	Notes
1	2	4	58.33	Q
2	1	4	58.48	Q
3	2	5	58.60	Q
4	1	5	59.06	Q
5	1	3	59.30	Q, NR
6	2	2	59.35	Q
7	2	3	59.49	Q
8	1	7	59.62	Q
9	1	2	59.63
10	2	7	59.79
11	2	6	59.84
12	1	8	59.89
13	1	6	59.96
14	1	1
15	2	8
16	2	1

Final

The final was held on 25 July at 20:51.^[7]

Rank	Lane	Time	Notes
	5	57.53	CR
	4	57.78
	3	58.25
4	6	59.09
5	7	59.31
6	2	59.72
7	8	59.84
8	1

Notes and References

Web site: Schedule . live . https://web.archive.org/web/20240118125431/https://resources.fina.org/fina/document/2023/01/16/8d440e7e-1f63-4fe8-af1c-a96ba1af40bf/20th-FINA-WORLD-CHAMPIONSHIPS-Fukuoka-2023-Schedule-12.01.23.pdf . 18 January 2024 . 17 January 2023.
Web site: Sutherland . James . 13 January 2023 . World Aquatics Announces Competition Schedule For 2023 World Championships In Fukuoka . live . https://web.archive.org/web/20240118152954/https://swimswam.com/world-aquatics-announces-competition-schedule-for-2023-world-championships-in-fukuoka/ . 18 January 2024 . 13 January 2023 . SwimSwam.
Web site: 21 July 2023 . Start list . live . https://web.archive.org/web/20230723152533/https://www.omegatiming.com/File/00011600010202EC0101FFFFFFFFFF00.pdf . 23 July 2023 . omegatiming.com.
Web site: 21 July 2023 . Records book . live . https://web.archive.org/web/20240118153205/https://www.omegatiming.com/File/0001160001FFFFFFFFFFFFFFFFFFFF1F.pdf . 18 January 2024 . omegatiming.com.
Web site: 24 July 2023 . Heats results . live . https://web.archive.org/web/20231009120932/https://www.omegatiming.com/File/00011600010202EC0101FFFFFFFFFF01.pdf . 9 October 2023 . omegatiming.com.
Web site: 24 July 2023 . Semifinals results . live . https://web.archive.org/web/20230724120522/https://www.omegatiming.com/File/00011600010202EC0102FFFFFFFFFF01.pdf . 24 July 2023 . omegatiming.com.
Web site: 25 July 2023 . Final results . live . https://web.archive.org/web/20230725115725/https://www.omegatiming.com/File/00011600010202EC0104FFFFFFFFFF01.pdf . 25 July 2023 . omegatiming.com.