Swimming at the 2023 World Aquatics Championships – Men's 100 metre breaststroke explained

Event:	Men's 100 metre breaststroke
Championship:	2023 World Aquatics Championships
Dates:	23 July (heats and semifinals) 24 July (final)
Venue:	Marine Messe Fukuoka
Location:	Fukuoka, Japan
Competitors:	69
Nations:	66
Win Value:	57.69
Gold:	Qin Haiyang
Gold Nation:	CHN
Silver:	Nicolò Martinenghi
Silver Nation:	ITA
Silver2:	Arno Kamminga
Silver2 Nation:	NED
Silver3:	Nic Fink
Silver3 Nation:	USA
Prev:	2022
Next:	2024

The men's 100 metre breaststroke competition at the 2023 World Aquatics Championships was held on 23 and 24 July 2023.^[1] ^[2] ^[3]

Records

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

Results

Heats

The heats were started on 22 July at 12:26.^[5]

Rank	Heat	Lane	Time	Notes
1	7	4		Q, AS
2	7	5		Q
3	6	3		Q, NR
4	6	4		Q
5	5	4		Q
6	7	6		Q
7	6	5		Q
8	7	3		Q
9	5	5		Q
10	6	6		Q
11	6	8		Q, NR
12	7	7		Q
13	5	3		Q
14	6	7	1:00.12	Q
15	5	2	1:00.20	Q
16	5	6	1:00.22	Q
17	7	2	1:00.28
18	6	2	1:00.51
19	5	1	1:00.54
20	6	1	1:00.62
21	5	8	1:00.86
22	7	8	1:00.89
23	4	5	1:00.95
24	5	9	1:01.01
25	5	7	1:01.02
26	7	1	1:01.03
27	5	0	1:01.16
28	7	0	1:01.19
29	6	0	1:01.23
30	4	3	1:01.58
31	4	9	1:01.59
32	4	7	1:01.69
33	4	4	1:01.79
34	4	1	1:01.80
35	4	6	1:01.91
36	3	2	1:01.97
37	3	4	1:02.10	NR
38	3	6	1:02.19
39	4	8	1:02.43
40	4	2	1:02.45
41	1	8	1:02.65	NR
42	2	3	1:02.90	NR
43	4	0	1:03.04
44	3	5	1:03.18
45	2	4	1:03.23
46	7	9	1:03.37
47	2	2	1:03.53	NR
48	3	1	1:03.70
49	3	0	1:03.79
50	3	9	1:03.80
51	2	5	1:04.31
52	3	7	1:04.38
53	3	8	1:04.39
54	1	4	1:04.47
55	2	6	1:04.51
56	2	1	1:04.91
57	2	7	1:05.15
58	2	8	1:05.24
59	2	0	1:05.38
60	2	9	1:06.05	NR
61	1	0	1:06.07
62	1	9	1:07.33
63	1	6	1:08.42
64	1	5	1:08.47
65	1	3	1:10.10
66	1	7	1:10.80
67	1	1	1:12.66
68	1	2	1:17.05
	3	3
	6	9

Semifinals

The semifinals were held on 23 July at 20:50.^[6]

Rank	Heat	Lane	Time	Notes
1	2	4	57.82	Q, AS
2	2	5	58.75	Q
3	2	3	58.88	Q
4	2	2	59.02	Q
5	1	4	59.08	Q
6	1	3	59.20	Q
7	1	5	59.21	Q
8	2	1	59.50	Q
9	2	6	59.51
10	1	6	59.54
11	1	7	59.59	NR
12	1	8	59.69
13	2	7	59.78	NR
14	1	2	59.95
15	1	1
16	2	8

Final

The final was held on 24 July at 20:02.^[7]

Rank	Lane	Time	Notes
	4	57.69	AS
	1	58.72
	2
	3
5	5	58.88
6	6	59.23
7	7	59.45
8	8	59.79

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/20230723152457/https://www.omegatiming.com/File/00011600010103EC0101FFFFFFFFFF00.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: 23 July 2023 . Heats results . live . https://web.archive.org/web/20230723152545/https://www.omegatiming.com/File/00011600010103EC0101FFFFFFFFFF01.pdf . 23 July 2023 . omegatiming.com.
Web site: 23 July 2023 . Semifinals results . live . https://web.archive.org/web/20230723152449/https://www.omegatiming.com/File/00011600010103EC0102FFFFFFFFFF01.pdf . 23 July 2023 . omegatiming.com.
Web site: 24 July 2023 . Final results . live . https://web.archive.org/web/20231122023901/https://www.omegatiming.com/File/00011600010103EC0104FFFFFFFFFF01.pdf . 22 November 2023 . omegatiming.com.