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

The Men'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 | Noè Ponti (SUI) | 21.50 | Singapore | 2 November 2024 |
| Competition record | Nicholas Santos (BRA) | 21.78 | Melbourne, Australia | 14 December 2022 |
The following records were established during the competition:
| Date | Round | Name | Nationality | Time | Record |
| 10 December | Heat 8 | Nyls Korstanje | Netherlands | 21.62 | CR |
| 10 December | Heat 9 | Noè Ponti | Switzerland | 21.53 | CR |
| 10 December | Semifinal 2 | Noè Ponti | Switzerland | 21.43 | WR |
| 11 December | Final | Noè Ponti | Switzerland | 21.32 | WR |

## Results
### Heats

The heats were started on 10 December at 10:25.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 9 | 4 | Noè Ponti | Switzerland | 21.53 | Q, CR |
| 2 | 8 | 4 | Nyls Korstanje | Netherlands | 21.62 | Q, NR |
| 3 | 6 | 3 | Ilya Kharun | Canada | 21.84 | Q, AM |
| 4 | 9 | 5 | Tzen Wei Teong | Singapore | 21.97 | Q, =AS |
| 5 | 7 | 6 | Grigori Pekarski | Neutral Athletes A | 22.08 | Q, NR |
| 6 | 9 | 6 | Oleg Kostin | Neutral Athletes B | 22.16 | Q |
| 7 | 7 | 4 | Szebasztián Szabó | Hungary | 22.18 | Q |
| 7 | 8 | 3 | Dylan Carter | Trinidad and Tobago | 22.18 | Q |
| 9 | 9 | 3 | Roman Shevliakov | Neutral Athletes B | 22.24 | Q |
| 10 | 8 | 1 | Dare Rose | United States | 22.26 | Q |
| 10 | 9 | 1 | Guilherme Caribé | Brazil | 22.26 | Q |
| 12 | 8 | 2 | Michele Busa | Italy | 22.28 | Q |
| 13 | 8 | 5 | Jacob Peters | United Kingdom | 22.35 | Q |
| 14 | 7 | 2 | Daniel Zaitsev | Estonia | 22.37 | Q |
| 15 | 7 | 5 | Marius Kusch | Germany | 22.39 | Q |
| 16 | 7 | 7 | Matthew Temple | Australia | 22.43 | Q |
| 17 | 9 | 7 | Simon Bucher | Austria | 22.49 | R |
| 18 | 8 | 7 | Nikola Miljenic | Croatia | 22.56 | R |
| 19 | 9 | 2 | Thomas Verhoeven | Netherlands | 22.60 | |
| 20 | 8 | 8 | Michael Andrew | United States | 22.65 | |
| 21 | 7 | 3 | Isaac Cooper | Australia | 22.66 | |
| 22 | 8 | 6 | Chad le Clos | South Africa | 22.67 | |
| 23 | 8 | 0 | Durde Matic | Serbia | 22.85 | |
| 24 | 6 | 7 | Adilbek Mussin | Kazakhstan | 22.90 | |
| 24 | 7 | 8 | Kim Jihun | South Korea | 22.90 | |
| 26 | 6 | 8 | Jakub Majerski | Poland | 22.93 | |
| 27 | 6 | 9 | Jorge Otaiza | Venezuela | 22.94 | |
| 28 | 9 | 0 | Meiron Amir Cheruti | Israel | 22.95 | |
| 29 | 7 | 0 | Arsenii Kovalov | Ukraine | 23.02 | |
| 30 | 6 | 4 | Daniel Gracik | Czech Republic | 23.03 | |
| 31 | 9 | 9 | Lukas Edl | Austria | 23.05 | |
| 32 | 7 | 1 | Max McCusker | Ireland | 23.09 | |
| 33 | 4 | 8 | David Young | Fiji | 23.11 | NR |
| 34 | 6 | 2 | Emre Gurdenli | Turkey | 23.12 | |
| 34 | 9 | 8 | Abdelrahman Sameh | Egypt | 23.12 | |
| 36 | 8 | 9 | Mario Molla Yanes | Spain | 23.16 | |
| 37 | 7 | 9 | Nicholas Lia | Norway | 23.17 | |
| 38 | 6 | 6 | Christopher Elson | New Zealand | 23.23 | |
| 39 | 5 | 3 | Lamar Taylor | Bahamas | 23.24 | NR |
| 40 | 6 | 1 | Tibor Tistan | Slovakia | 23.28 | |
| 41 | 5 | 9 | Abdul Jabar Adama | Nigeria | 23.56 | NR |
| 42 | 6 | 5 | Anthony Puertas | Peru | 23.57 | |
| 43 | 5 | 2 | Bryan Leong Xin Ren | Malaysia | 23.64 | NR |
| 44 | 6 | 0 | Julien Henx | Luxembourg | 23.69 | |
| 45 | 5 | 4 | M.J.J. Mahmutoglu | Philippines | 23.84 | NR |
| 45 | 5 | 7 | Abeku Jackson | Ghana | 23.84 | |
| 47 | 5 | 8 | Grisi Koxhaku | Albania | 23.86 | |
| 48 | 5 | 1 | Milos Milenkovic | Montenegro | 23.89 | NR |
| 49 | 5 | 5 | Simon Statkevicius | Iceland | 23.90 | |
| 50 | 5 | 6 | Andrei Ungur | Romania | 24.24 | |
| 51 | 5 | 0 | Kokoro Frost | Samoa | 24.25 | NR |
| 52 | 4 | 6 | Jefferson Kpanou | Benin | 24.49 | NR |
| 53 | 4 | 3 | Benjamin Schnapp | Chile | 24.59 | |
| 54 | 4 | 9 | Jayden Elijah Asher Loran | Curaçao | 24.85 | |
| 55 | 3 | 4 | Nathan Fletcher | Grenada | 24.87 | |
| 56 | 4 | 5 | Chi Chong Lam | Macau | 24.89 | |
| 57 | 3 | 3 | Gerald Hernandez | Nicaragua | 24.91 | |
| 58 | 2 | 7 | C.P.A. Kelly | Barbados | 24.96 | |
| 59 | 4 | 2 | Mohamad Eyad Masoud | World Aquatics Refugee Team | 24.98 | |
| 60 | 1 | 3 | Daniyal Hatim | Pakistan | 25.05 | NR |
| 61 | 4 | 0 | Stephen Nyoike | Kenya | 25.16 | |
| 62 | 3 | 5 | Thomas Chen | Papua New Guinea | 25.32 | |
| 63 | 4 | 1 | Sidrell Williams | Jamaica | 25.60 | |
| 64 | 2 | 0 | Jonathan Bardales Essien | Saint Kitts and Nevis | 25.80 | |
| 65 | 2 | 1 | Ryong Hyon Kim | North Korea | 25.89 | |
| 66 | 1 | 6 | Daniil Mistriukov | Kyrgyzstan | 26.15 | |
| 67 | 3 | 2 | Ethan Hazell | Saint Lucia | 26.37 | |
| 68 | 3 | 7 | Abobakr Abass | Sudan | 26.45 | NR |
| 69 | 2 | 6 | Jonathan Raharvel | Madagascar | 26.85 | |
| 70 | 3 | 1 | Kinley Lhendup | Bhutan | 27.34 | |
| 71 | 3 | 9 | Nigel Fontenelle | Sint Maarten | 27.89 | |
| 72 | 3 | 0 | Charlie Gibbons | Palau | 28.00 | |
| 73 | 2 | 2 | Leo Nzimbi | Central African Republic | 28.21 | |
| 74 | 3 | 8 | Michael Mponezya Joseph | Tanzania | 28.51 | |
| 75 | 2 | 5 | Leo Lebot | Vanuatu | 29.29 | |
| 76 | 1 | 5 | Claudio Yelegou | Cameroon | 29.48 | |
| 77 | 2 | 3 | Higinio Ndong Obama | Equatorial Guinea | 30.91 | |
| | 1 | 4 | Jacques Ngoie Kazadi | Democratic Republic of the Congo | Did not start | Did not start |
| | 2 | 4 | Y.M.A. Nasser | Yemen | Did not start | Did not start |
| | 2 | 8 | Surafel Geremew Asfaw | Ethiopia | Did not start | Did not start |
| | 2 | 9 | Danilson Ie | Guinea-Bissau | Did not start | Did not start |
| | 3 | 6 | Ajal Kaji Tamrakar | Nepal | Did not start | Did not start |
| | 4 | 4 | Adam Moncherry | Seychelles | Did not start | Did not start |
| | 4 | 7 | Joash Mckonie | Zimbabwe | Did not start | Did not start |

### Semifinals

The semifinals were started on 10 December at 17:52.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 4 | Noè Ponti | Switzerland | 21.43 | Q, WR |
| 2 | 1 | 4 | Nyls Korstanje | Netherlands | 21.81 | Q |
| 3 | 2 | 5 | Ilya Kharun | Canada | 21.93 | Q |
| 4 | 2 | 8 | Marius Kusch | Germany | 21.99 | Q |
| 5 | 1 | 5 | Tzen Wei Teong | Singapore | 22.04 | Q |
| 6 | 2 | 3 | Grigori Pekarski | Neutral Athletes A | 22.05 | Q, NR |
| 7 | 1 | 7 | Michele Busa | Italy | 22.08 | Q |
| 8 | 2 | 6 | Szebasztián Szabó | Hungary | 22.09 | Q |
| 9 | 1 | 6 | Dylan Carter | Trinidad and Tobago | 22.16 | R |
| 10 | 2 | 7 | Guilherme Caribé | Brazil | 22.18 | R |
| 11 | 2 | 2 | Roman Shevliakov | Neutral Athletes B | 22.22 | |
| 12 | 1 | 2 | Dare Rose | United States | 22.25 | |
| 13 | 1 | 3 | Oleg Kostin | Neutral Athletes B | 22.26 | |
| 14 | 1 | 1 | Daniel Zaitsev | Estonia | 22.28 | |
| 15 | 2 | 1 | Jacob Peters | United Kingdom | 22.45 | |
| 16 | 1 | 8 | Matthew Temple | Australia | 22.50 | |

### Final

The final were started on 11 December at 18:42.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Noè Ponti | Switzerland | 21.32 | WR |
| | 3 | Ilya Kharun | Canada | 21.67 | AM |
| | 5 | Nyls Korstanje | Netherlands | 21.68 | |
| 4 | 8 | Szebasztián Szabó | Hungary | 22.00 | |
| 5 | 1 | Michele Busa | Italy | 22.01 | NR |
| 6 | 7 | Grigori Pekarski | Neutral Athletes A | 22.06 | |
| 7 | 2 | Tzen Wei Teong | Singapore | 22.11 | |
| 8 | 6 | Marius Kusch | Germany | 22.17 | |