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Women's 100 metre butterfly
at the 2022 FINA World Swimming Championships (25 m)
Women's 100 metre butterfly ; at the 2022 FINA World Swimming Championships (25 m)
Venue	Melbourne Sports and Aquatic Centre
Location	Melbourne, Australia
Dates	17 December (heats and semifinals); 18 December (final)
Competitors	29 from 25 nations
Winning time	54.05 WR
Medalists
	← 2021 2024 →

The Women's 100 metre butterfly competition of the 2022 FINA World Swimming Championships (25 m) was held on 17 and 18 December 2022.^[1]

Records

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

World record	Kelsi Dahlia (USA)	54.59	Eindhoven, Netherlands	3 December 2021
Competition record	Sarah Sjöström (SWE)	54.61	Doha, Qatar	7 December 2014

The following records was established during the competition:

Date	Event	Name	Nationality	Time	Record
18 December	Final	Maggie Mac Neil	Canada	54.05	WR

The heats were started on 17 December at 12:05.^[2]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	3	4	Louise Hansson	Sweden	55.74	Q
2	3	5	Torri Huske	United States	56.01	Q
3	3	6	Alexandria Perkins	Australia	56.46	Q
4	4	4	Maggie Mac Neil	Canada	56.53	Q
5	2	7	Angelina Köhler	Germany	56.56	Q
6	2	6	Maaike de Waard	Netherlands	56.67	Q
7	3	3	Ai Soma	Japan	56.72	Q
8	4	7	Katerine Savard	Canada	56.86	Q
9	2	5	Lana Pudar	Bosnia and Herzegovina	56.89	Q
10	2	4	Claire Curzan	United States	56.90	Q
11	3	7	Helena Rosendahl Bach	Denmark	57.15	Q
12	2	3	Moe Tsuda	Japan	57.22	Q
13	2	1	Kim Seo-yeong	South Korea	57.26	Q, NR
14	4	6	Giovanna Diamante	Brazil	57.50	Q
15	4	2	Helena Gasson	New Zealand	57.51	Q
16	2	2	Brittany Castelluzzo	Australia	57.85	QSO
16	3	2	Laura Lahtinen	Finland	57.85	QSO
18	3	1	Amina Kajtaz	Croatia	57.88	NR
19	4	1	Rebecca Meder	South Africa	58.04
20	3	8	Sze Hang-yu	Hong Kong	58.06
21	2	8	Barbora Janíčková	Czech Republic	58.65
22	4	8	Luana Alonso	Paraguay	58.93
23	1	6	Zora Ripková	Slovakia	59.39
24	1	4	Krystal Lara	Dominican Republic	59.78	NR
25	1	5	Olivia Borg	Samoa	1:00.13	NR
26	1	7	Julimar Ávila	Honduras	1:01.43	NR
27	1	3	Oumy Diop	Senegal	1:01.54	NR
28	1	2	Imara-Bella Thorpe	Suspended Member Federation	1:01.84
29	1	1	Tara Naluwoza	Uganda	1:05.28
	4	3	Wang Yichun	China	Did not start
	4	5	Zhang Yufei	China	Did not start

The swim-off was held on 17 December at 13:33.^[3]

Rank	Lane	Name	Nationality	Time	Notes
1	5	Laura Lahtinen	Finland	56.88	Q, NR
2	4	Brittany Castelluzzo	Australia	57.76

The semifinals were started on 17 December at 21:07.^[4]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	1	4	Torri Huske	United States	55.23	Q
2	2	4	Louise Hansson	Sweden	55.78	Q
3	1	5	Maggie Mac Neil	Canada	55.83	Q
4	2	3	Angelina Köhler	Germany	56.23	Q, NR
5	1	2	Claire Curzan	United States	56.37	Q, WD
6	2	5	Alexandria Perkins	Australia	56.39	Q
7	1	3	Maaike de Waard	Netherlands	56.40	Q
8	1	6	Katerine Savard	Canada	56.44	Q
9	2	6	Ai Soma	Japan	56.51	Q
10	2	2	Lana Pudar	Bosnia and Herzegovina	56.71
11	2	1	Kim Seo-yeong	South Korea	57.07	NR
12	1	2	Giovanna Diamante	Brazil	57.13
13	2	7	Helena Rosendahl Bach	Denmark	57.21
14	2	8	Helena Gasson	New Zealand	57.23
15	1	7	Moe Tsuda	Japan	57.25
16	1	8	Laura Lahtinen	Finland	58.09

The final was held on 18 December at 19:35.^[5]

Rank	Lane	Nation	Swimmers	Time	Notes
	3	Maggie Mac Neil	Canada	54.05	WR
	4	Torri Huske	United States	54.75
	5	Louise Hansson	Sweden	54.87
4	6	Angelina Köhler	Germany	56.20	NR
5	8	Ai Soma	Japan	56.27
6	2	Alexandria Perkins	Australia	56.34
7	7	Maaike de Waard	Netherlands	56.52
8	1	Katerine Savard	Canada	56.87

^ "Competition Schedule" (PDF). Omega Timing. 17 December 2022. Retrieved 17 December 2022.
^ "Women's 100m Butterfly – Heats – Results Summary" (PDF). Omega Timing. 17 December 2022. Retrieved 17 December 2022.
^ "Women's 100m Butterfly – Heats Swim-off – Results" (PDF). Omega Timing. 17 December 2022. Retrieved 17 December 2022.
^ "Women's 100m Butterfly – Semifinals – Results Summary" (PDF). Omega Timing. 17 December 2022. Retrieved 17 December 2022.
^ "Women's 100m Butterfly – Final – Results" (PDF). Omega Timing. 18 December 2022. Retrieved 19 December 2022.