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

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 | Béryl 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, NR |
| 12 | 4 | 3 | Mélanie Henique | France | 25.52 | Q |
| 13 | 6 | 3 | Mizuki Hirai | Japan | 25.59 | Q |
| 14 | 4 | 1 | Ellen Walshe | Ireland | 25.65 | Q, NR |
| 15 | 5 | 2 | Daryna Nabojčenko | Czech Republic | 25.68 | Q |
| 16 | 6 | 1 | Jenjira Srisa-Ard | Thailand | 25.72 | Q, NR |
| 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 | Chen Luying | China | 25.83 | |
| 21 | 6 | 9 | Lora Komoróczy | Hungary | 25.85 | |
| 22 | 4 | 0 | Tam Hoi Lam | Hong Kong | 25.98 | NR |
| 23 | 5 | 1 | Hedda Øritsland | Norway | 26.01 | |
| 24 | 4 | 6 | Hazel Ouwehand | New Zealand | 26.04 | |
| 25 | 5 | 0 | Anastasiya Kuliashova | Neutral Athletes A | 26.06 | |
| 25 | 5 | 9 | Sofia Spodarenko | Kazakhstan | 26.06 | NR |
| 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 | NR |
| 31 | 6 | 8 | Jeong Soeun | 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 Boitšuk | 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 | NR |
| 40 | 3 | 1 | Amel Melih | Algeria | 27.57 | |
| 41 | 2 | 3 | Elizaveta Pecherskikh | Kyrgyzstan | 27.80 | |
| 42 | 1 | 6 | Kim Sol Song | 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 | NR |
| 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 | NR |
| 55 | 1 | 2 | Hazel Alamy | Sierra Leone | 45.09 | |
| | 4 | 8 | Jana Pavalić | Croatia | Disqualified | 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 | Béryl 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 | Mélanie 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 | NR |
| 12 | 1 | 8 | Jenjira Srisa-Ard | Thailand | 25.26 | NR |
| 13 | 2 | 1 | Mizuki Hirai | Japan | 25.27 | |
| 14 | 1 | 1 | Ellen Walshe | Ireland | 25.45 | NR |
| 15 | 2 | 7 | Laura Lahtinen | Finland | 25.59 | |
| 16 | 2 | 8 | Daryna Nabojčenko | 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 | |

### Final

The final was held on 11 December at 18:35.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Gretchen Walsh | United States | 24.01 | |
| | 5 | Béryl Gastaldello | France | 24.43 | NR |
| | 7 | Alexandria Perkins | Australia | 24.68 | OC |
| 4 | 6 | Arina Surkova | Neutral Athletes B | 24.84 | |
| 5 | 3 | Tessa Giele | Netherlands | 24.87 | |
| 6 | 1 | Mélanie Henique | France | 24.89 | |
| 7 | 2 | Maaike de Waard | Netherlands | 24.98 | |
| 8 | 8 | Lily Price | Australia | 25.06 | |