2024 World Aquatics Swimming Championships (25 m) – Women's 50 metre butterfly

Women's 50 metre butterfly at the 2024 World Aquatics Swimming Championships (25 m)
Venue	Duna Arena
Location	Budapest, Hungary
Dates	10 December (heats and semifinals) 11 December (final)
Competitors	56

The Women's 50 metre butterfly competition of the 2024 World Aquatics Swimming Championships (25 m) was held on 10 and 11 December 2024.

Records

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

World record	Therese Alshammar (SWE)	24.38	Singapore	22 November 2009
Competition record	Ranomi Kromowidjojo (NED)	24.44	Abu Dhabi, United Arab Emirates	19 December 2021

The following new records were set during this competition:

Date	Event	Name	Nationality	Time	Record
10 December	Semifinal 2	Gretchen Walsh	United States	23.94	WR, CR

Results

Heats

The heats were started on 10 December at 10:11.

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	5	3	Gretchen Walsh	United States	24.02	Q, WR
2	4	4	Arina Surkova	Neutral Athletes B	24.78	Q
3	5	5	Tessa Giele	Netherlands	25.01	Q
4	5	4	Alexandria Perkins	Australia	25.04	Q
5	4	5	Sara Junevik	Sweden	25.13	Q
6	5	6	Silvia di Pietro	Italy	25.16	Q
7	6	6	Maaike de Waard	Netherlands	25.33	Q
8	6	4	Beryl Gastaldello	France	25.36	Q
9	4	2	Helena Gasson	New Zealand	25.39	Q
10	6	5	Lily Price	Australia	25.40	Q
11	4	7	Laura Lahtinen	Finland	25.47	Q
12	4	3	Melanie Henique	France	25.52	Q
13	6	3	Mizuki Hirai	Japan	25.59	Q
14	4	1	Ellen Walshe	Ireland	25.65	Q
15	5	2	Daryna Nabojcenko	Czech Republic	25.68	Q
16	6	1	Jenjira Srisa-Ard	Thailand	25.72	Q
17	6	7	Jessica Thompson	South Africa	25.73	R
18	6	2	Elena Capretta	Italy	25.81	R
19	4	9	Eva Okaro	United Kingdom	25.83
19	5	7	Luying Chen	China	25.83
21	6	9	Lora Fanni Komoroczy	Hungary	25.85
22	4	0	Hoi Lam Tam	Hong Kong	25.98
23	5	1	Hedda Oritsland	Norway	26.01
24	4	6	Vanessa Hazel Ouwehand	New Zealand	26.04
25	5	0	Anastasiya Kuliashova	Neutral Athletes A	26.06
25	5	9	Sofia Spodarenko	Kazakhstan	26.06
27	6	0	Paulina Peda	Poland	26.19
28	5	8	Lillian Slusna	Slovakia	26.23
29	3	7	Ingrid Wilm	Canada	26.36
30	3	4	Kalia Antoniou	Cyprus	26.44
31	6	8	Soeun Jeong	South Korea	26.46
32	3	8	Smilte Plytnykaite	Lithuania	26.74
33	3	3	Nicholle Toh	Singapore	26.79
34	3	6	Jessica Calderbank	Jamaica	26.97
35	3	5	Mariangela Boitsuk	Estonia	27.09
36	3	0	Paige Schendelaar-Kemp	Samoa	27.20
37	2	4	M.V. Schutzmeier	Nicaragua	27.24
38	3	2	J.E. Gudmundsdottir	Iceland	27.30
39	3	9	I.B.P. Thorpe	Kenya	27.54
40	3	1	Amel Melih	Algeria	27.57
41	2	3	Elizaveta Pecherskikh	Kyrgyzstan	27.80
42	1	6	Sol Song Kim	North Korea	27.82
43	2	7	Aleka Persaud	Guyana	28.34
44	1	5	Timipame-Ere Akiayefa	Nigeria	28.35
45	2	2	Victoria Russell	Bahamas	28.72
46	2	6	Kyra Dalilah De Cuba	Curaçao	28.86
47	2	5	Lia Lima	Angola	28.88
48	2	1	Jhnayali Tokome-Garap	Papua New Guinea	28.95
49	2	0	Meral Ayn Latheef	Maldives	31.88
50	1	3	Mona Alfarsi	Kuwait	33.08
51	2	8	Tayamika Changanamuno	Malawi	33.91
52	1	7	K.M.T. Ibrahim	Comoros	35.02
53	2	9	Lina Alemayehu Selo	Ethiopia	35.84
54	1	4	Leena Mohamedahmed	Sudan	35.94
55	1	2	Hazel Alamy	Sierra Leone	45.09
	4	8	Jana Pavalic	Croatia	Disqualified

Semifinals

The semifinals were started on 10 December at 17:43.

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	2	4	Gretchen Walsh	United States	23.94	Q, WR
2	1	6	Beryl Gastaldello	France	24.67	Q
3	2	5	Tessa Giele	Netherlands	24.68	Q
4	1	4	Arina Surkova	Neutral Athletes B	24.71	Q
5	2	6	Maaike de Waard	Netherlands	24.76	Q
6	1	5	Alexandria Perkins	Australia	24.89	Q
7	1	7	Melanie Henique	France	24.93	Q
8	1	2	Lily Price	Australia	25.13	QSO
8	1	3	Silvia Di Pietro	Italy	25.13	QSO
10	2	3	Sara Junevik	Sweden	25.14	R
11	2	2	Helena Gasson	New Zealand	25.24
12	1	8	Jenjira Srisa-Ard	Thailand	25.26
13	2	1	Mizuki Hirai	Japan	25.27
14	1	1	Ellen Walshe	Ireland	25.45
15	2	7	Laura Lahtinen	Finland	25.59
16	2	8	Daryna Nabojcenko	Czech Republic	25.78

Swim-off

The swim-off was held on 10 December at 19:47.

Rank	Lane	Name	Nationality	Time	Notes
1	4	Lily Price	Australia	25.07	Q
2	5	Silvia Di Pietro	Italy	25.26