# 2021 FINA World Swimming Championships (25 m) – Men's 50 metre breaststroke

The Men's 50 metre breaststroke competition of the 2021 FINA World Swimming Championships (25 m) was held on 20 and 21 December 2021.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Cameron van der Burgh (RSA) Ilya Shymanovich (BLR) | 25.25 | Berlin, GermanyKazan, Russia | 14 November 20097 November 2021 |
| Competition record | Cameron van der Burgh (RSA) | 25.41 | Hangzhou, China | 16 December 2018 |

## Results
### Heats

The heats were started on 20 December at 11:22.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 7 | 4 | Ilya Shymanovich | Belarus | 25.77 | Q |
| 2 | 6 | 4 | Emre Sakçı | Turkey | 25.87 | Q |
| 3 | 5 | 3 | João Gomes Júnior | Brazil | 26.01 | Q |
| 4 | 5 | 4 | Nicolò Martinenghi | Italy | 26.02 | Q |
| 5 | 6 | 5 | Nic Fink | United States | 26.09 | Q |
| 6 | 7 | 5 | Arno Kamminga | Netherlands | 26.20 | Q |
| 7 | 7 | 6 | Andrei Nikolaev | Russian Swimming Federation | 26.24 | Q |
| 8 | 6 | 3 | Kirill Strelnikov | Russian Swimming Federation | 26.25 | Q |
| 9 | 5 | 5 | Fabian Schwingenschlögl | Germany | 26.34 | Q |
| 10 | 6 | 7 | Moon Jae-kwon | South Korea | 26.46 | Q |
| 11 | 5 | 2 | Olli Kokko | Finland | 26.54 | Q |
| 11 | 6 | 6 | Bernhard Reitshammer | Austria | 26.54 | Q |
| 13 | 5 | 6 | Tobias Bjerg | Denmark | 26.71 | Q |
| 13 | 6 | 1 | Yan Zibei | China | 26.71 | Q |
| 15 | 7 | 2 | Kristian Pitshugin | Israel | 26.74 | Q |
| 16 | 5 | 8 | Lucas Matzerath | Germany | 26.81 | Q |
| 17 | 7 | 1 | Bradley Tandy | South Africa | 26.85 | |
| 18 | 6 | 9 | Rostyslav Kryzhanivskyi | Ukraine | 26.89 | |
| 19 | 6 | 0 | Youssef El-Kamash | Egypt | 26.90 | NR |
| 20 | 4 | 2 | Josué Domínguez | Dominican Republic | 26.91 | NR |
| 21 | 3 | 4 | Jadon Wuilliez | Netherlands Antilles | 26.98 | NR |
| 22 | 6 | 2 | Andrius Šidlauskas | Lithuania | 27.06 | |
| 23 | 5 | 1 | Denis Petrashov | Kyrgyzstan | 27.14 | |
| 24 | 5 | 9 | Izaak Bastian | Bahamas | 27.24 | NR |
| 25 | 4 | 1 | Mariano Lazzerini | Chile | 27.35 | NR |
| 26 | 4 | 3 | Julio Horrego | Honduras | 27.38 | NR |
| 27 | 7 | 0 | André Grindheim | Norway | 27.39 | |
| 28 | 7 | 8 | Matěj Zábojník | Czech Republic | 27.41 | |
| 29 | 5 | 0 | Ng Yan Kin | Hong Kong | 27.73 | |
| 30 | 4 | 7 | Miguel de Lara | Mexico | 28.22 | |
| 31 | 4 | 6 | Patrick Pelegrina | Andorra | 28.29 | |
| 32 | 4 | 8 | Abobakr Abass | Sudan | 28.51 | NR |
| 33 | 4 | 9 | Ziyad Al-Salous | Jordan | 28.77 | NR |
| 34 | 7 | 9 | Sébastien Kouma | Mali | 28.81 | |
| 35 | 3 | 5 | Muhammad Isa Ahmad | Brunei | 29.32 | |
| 36 | 3 | 6 | Kerry Ollivierre | Grenada | 29.53 | |
| 37 | 3 | 8 | Terrel Monplaisir | Saint Lucia | 29.84 | |
| 38 | 3 | 3 | Bransly Dirksz | Aruba | 29.94 | |
| 39 | 2 | 2 | Hilal Hemed Hilal | Tanzania | 29.97 | |
| 40 | 3 | 1 | Bryson George | Saint Vincent and the Grenadines | 29.99 | |
| 41 | 3 | 2 | Omar Al-Hatem | Kuwait | 31.16 | |
| 42 | 2 | 8 | Muhammad Mustafa | Pakistan | 32.39 | |
| 43 | 2 | 7 | Abdulmalek Ashur | Libya | 33.24 | |
| 44 | 2 | 0 | Antonio Habis | Palestine | 33.44 | |
| 45 | 2 | 1 | Omar Darboe | Gambia | 35.42 | |
| 46 | 3 | 0 | Mohamed Kamara | Sierra Leone | 35.47 | |
| 47 | 2 | 9 | Cedrick Niyibizi | Rwanda | 35.90 | |
| 48 | 1 | 6 | Yacouba Mouctar | Niger | 36.17 | |
| 49 | 2 | 5 | Houmed Houssein Barkat | Djibouti | 37.02 | NR |
| 50 | 1 | 4 | Barkwende Yougbare | Burkina Faso | 38.17 | |
| 51 | 2 | 3 | Teddy Regoballes | Central African Republic | 53.22 | |
| | 1 | 3 | Georgios Spanoudakis | Greece | DSQ | |
| | 4 | 0 | Filipe Gomes | Malawi | DSQ | |
| | 1 | 3 | Renato Prono | Paraguay | DSQ | |
| | 4 | 0 | Christopher Rothbauer | Austria | DSQ | |
| | 1 | 5 | Fabrice Mopama Sukasuka | Democratic Republic of the Congo | DNS | |
| | 2 | 4 | Diosdado Miko Eyanga | Equatorial Guinea | DNS | |
| | 2 | 6 | Yousef Al-Washali | Yemen | DNS | |
| | 3 | 7 | Fahim Anwari | Afghanistan | DNS | |
| | 3 | 9 | Sean Walters | Turks and Caicos Islands | DNS | |
| | 4 | 4 | Jorge Murillo | Colombia | DNS | |
| | 4 | 5 | Martin Melconian | Uruguay | DNS | |
| | 6 | 8 | Tomáš Klobučník | Slovakia | DNS | |
| | 7 | 3 | Michael Andrew | United States | DNS | |

### Semifinals

The semifinals were started on 20 December at 19:03.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 4 | Ilya Shymanovich | Belarus | 25.55 | Q |
| 2 | 2 | 3 | Nic Fink | United States | 25.68 | Q, NR |
| 3 | 1 | 5 | Nicolò Martinenghi | Italy | 25.87 | Q |
| 4 | 2 | 2 | Fabian Schwingenschlögl | Germany | 25.94 | Q |
| 5 | 2 | 5 | João Gomes Júnior | Brazil | 25.96 | Q |
| 6 | 1 | 1 | Yan Zibei | China | 26.18 | Q, NR |
| 7 | 1 | 3 | Arno Kamminga | Netherlands | 26.21 | Q |
| 7 | 1 | 7 | Bernhard Reitshammer | Austria | 26.21 | Q |
| 9 | 2 | 6 | Andrei Nikolaev | Russian Swimming Federation | 26.25 | |
| 10 | 1 | 6 | Kirill Strelnikov | Russian Swimming Federation | 26.33 | |
| 11 | 1 | 2 | Moon Jae-kwon | South Korea | 26.37 | NR |
| 12 | 2 | 1 | Tobias Bjerg | Denmark | 26.45 | |
| 13 | 2 | 8 | Kristian Pitshugin | Israel | 26.46 | |
| 14 | 1 | 8 | Lucas Matzerath | Germany | 26.50 | |
| 15 | 2 | 7 | Olli Kokko | Finland | 26.62 | |
| | 1 | 4 | Emre Sakçı | Turkey | DSQ | |

### Final

The final was held on 21 December at 19:24.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 5 | Nic Fink | United States | 25.53 | AM |
| | 3 | Nicolò Martinenghi | Italy | 25.55 | |
| | 2 | João Gomes Júnior | Brazil | 25.80 | |
| 4 | 4 | Ilya Shymanovich | Belarus | 25.84 | |
| 5 | 6 | Fabian Schwingenschlögl | Germany | 26.16 | |
| 6 | 1 | Arno Kamminga | Netherlands | 26.32 | |
| 7 | 8 | Bernhard Reitshammer | Austria | 26.39 | |
| 8 | 7 | Yan Zibei | China | 26.49 | |