# Swimming at the 2019 World Aquatics Championships – Men's 50 metre breaststroke

The Men's 50 metre breaststroke competition at the 2019 World Championships was held on 23 and 24 July 2019.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Adam Peaty (GBR) | 25.95 | Budapest, Hungary | 25 July 2017 |
| Competition record | Adam Peaty (GBR) | 25.95 | Budapest, Hungary | 25 July 2017 |

## Results
### Heats

The heats were held on 23 July at 10:00.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 8 | 4 | Adam Peaty | Great Britain | 26.28 | Q |
| 2 | 6 | 4 | João Gomes Júnior | Brazil | 26.73 | Q |
| 2 | 7 | 4 | Felipe Lima | Brazil | 26.73 | Q |
| 4 | 7 | 6 | Hüseyin Emre Sakçı | Turkey | 26.87 | Q, NR |
| 4 | 8 | 5 | Ilya Shymanovich | Belarus | 26.87 | Q |
| 6 | 7 | 2 | Kirill Prigoda | Russia | 26.93 | Q |
| 6 | 8 | 6 | Yan Zibei | China | 26.93 | Q, AS |
| 8 | 8 | 8 | Darragh Greene | Ireland | 26.94 | Q, NR |
| 9 | 6 | 2 | Andrei Nikolaev | Russia | 26.99 | Q |
| 10 | 8 | 3 | Nicolo Martinenghi | Italy | 27.00 | Q |
| 11 | 6 | 5 | Michael Andrew | United States | 27.02 | Q |
| 12 | 7 | 5 | Fabio Scozzoli | Italy | 27.11 | Q |
| 13 | 6 | 7 | Tobias Bjerg | Denmark | 27.13 | Q, NR |
| 14 | 6 | 6 | Ties Elzerman | Netherlands | 27.19 | Q |
| 15 | 8 | 9 | Nikola Obrovac | Croatia | 27.27 | Q, NR |
| 16 | 6 | 3 | Yasuhiro Koseki | Japan | 27.33 | Q |
| 17 | 8 | 0 | Dmitriy Balandin | Kazakhstan | 27.36 | R |
| 18 | 8 | 1 | Wang Lizhuo | China | 27.39 | R |
| 19 | 7 | 3 | Michael Houlie | South Africa | 27.41 | |
| 20 | 5 | 4 | Anton Sveinn McKee | Iceland | 27.46 | NR |
| 21 | 7 | 1 | Bernhard Reitshammer | Austria | 27.49 | |
| 22 | 8 | 2 | Peter John Stevens | Slovenia | 27.50 | |
| 23 | 6 | 0 | Moon Jae-kwon | South Korea | 27.57 | |
| 24 | 5 | 3 | Youssef El-Kamash | Egypt | 27.62 | NR |
| 25 | 6 | 1 | Itay Goldfaden | Israel | 27.67 | |
| 25 | 7 | 7 | Giedrius Titenis | Lithuania | 27.67 | |
| 27 | 7 | 0 | Édgar Crespo | Panama | 27.76 | |
| 28 | 5 | 7 | Richard Funk | Canada | 27.78 | |
| 29 | 4 | 7 | Martin Allikvee | Estonia | 27.79 | NR |
| 30 | 6 | 8 | Renato Prono | Paraguay | 27.80 | |
| 31 | 6 | 9 | Martin Melconian | Uruguay | 27.85 | |
| 32 | 7 | 8 | Vladislav Mustafin | Uzbekistan | 27.90 | |
| 33 | 4 | 8 | James Deiparine | Philippines | 27.91 | NR |
| 34 | 4 | 6 | Yannick Käser | Switzerland | 27.99 | |
| 35 | 5 | 5 | Lachezar Shumkov | Bulgaria | 28.00 | |
| 36 | 5 | 2 | Chao Man Hou | Macau | 28.07 | |
| 37 | 5 | 1 | Kirill Vais | Kyrgyzstan | 28.15 | |
| 38 | 5 | 6 | Tomáš Klobučník | Slovakia | 28.20 | |
| 39 | 4 | 2 | Jan Kalusowski | Poland | 28.26 | |
| 40 | 7 | 9 | Jorge Murillo | Colombia | 28.36 | |
| 41 | 4 | 3 | Wu Chun-feng | Chinese Taipei | 28.43 | |
| 42 | 5 | 8 | S.P. Likhith | India | 28.44 | |
| 43 | 5 | 9 | Ari-Pekka Liukkonen | Finland | 28.45 | |
| 44 | 5 | 0 | Lionel Khoo | Singapore | 28.46 | |
| 45 | 3 | 4 | Josué Domínguez | Dominican Republic | 28.50 | |
| 46 | 1 | 4 | Benjamin Schulte | Guam | 28.73 | |
| 47 | 4 | 4 | Didzis Rudavs | Latvia | 28.94 | |
| 48 | 4 | 1 | Gagarin Nathaniel | Indonesia | 28.97 | |
| 49 | 4 | 5 | Izaak Bastian | Bahamas | 28.98 | |
| 50 | 4 | 0 | Marco Flores | Honduras | 29.09 | |
| 51 | 3 | 5 | Adrian Robinson | Botswana | 29.11 | |
| 52 | 3 | 6 | Rainier Rafaela | Curaçao | 29.23 | |
| 53 | 2 | 3 | Santiago Cavanagh | Bolivia | 29.26 | |
| 54 | 4 | 9 | Sebastien Kouma | Mali | 29.27 | |
| 55 | 3 | 3 | Malcolm Richardson | Cook Islands | 29.36 | |
| 56 | 1 | 6 | Amini Fonua | Tonga | 29.73 | |
| 57 | 1 | 0 | Constantin Malachi | Moldova | 29.76 | |
| 58 | 2 | 7 | Rashed Altarmoom | Kuwait | 30.13 | |
| 58 | 3 | 2 | Giacomo Casadei | San Marino | 30.13 | |
| 60 | 1 | 1 | Muhammad Isa Ahmad | Brunei | 30.22 | |
| 61 | 2 | 9 | Jonathan Raharvel | Madagascar | 30.23 | |
| 61 | 3 | 7 | Zandanbal Gunsennorov | Mongolia | 30.23 | |
| 63 | 3 | 1 | Shane Cadogan | Saint Vincent and the Grenadines | 30.73 | |
| 64 | 2 | 2 | Slava Sihanouvong | Laos | 32.11 | |
| 65 | 3 | 0 | Tendo Mukalazi | Uganda | 32.64 | |
| 66 | 1 | 5 | Tindwende Sawadogo | Burkina Faso | 33.97 | |
| 67 | 3 | 9 | Clayment Lafiara | Solomon Islands | 34.37 | |
| 68 | 2 | 1 | Izzeldin Ibrahim | Sudan | 34.52 | |
| 69 | 1 | 7 | Momodou Saine | Gambia | 34.64 | |
| 70 | 2 | 4 | Yaya Yeressa | Guinea | 34.71 | |
| 71 | 2 | 5 | Gildas Koumondji | Benin | 34.90 | |
| 72 | 2 | 6 | Abdelmalik Muktar | Ethiopia | 35.17 | |
| 73 | 2 | 0 | Chris Mana | Rwanda | 36.93 | |
| 74 | 2 | 8 | Hamid Rahimi | Afghanistan | 37.48 | |
| 75 | 1 | 2 | Alie Kamara | Sierra Leone | 37.79 | |
| 76 | 1 | 8 | Hakim Youssouf | Comoros | 38.65 | |
| 77 | 1 | 9 | Darshan Koffi | Togo | 40.39 | |
| 78 | 1 | 3 | Hollingsword Wolul | Vanuatu | 41.44 | |
| | 3 | 8 | Kumaren Naidu | Zambia | DSQ | DSQ |
| | 8 | 7 | Andrew Wilson | United States | DNS | DNS |

### Semifinals

The semifinals were held on 23 July at 20:41.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 7 | Fabio Scozzoli | Italy | 26.70 | Q, NR |
| 2 | 4 | João Gomes Júnior | Brazil | 26.84 | Q |
| 3 | 3 | Kirill Prigoda | Russia | 27.08 | QSO |
| 4 | 6 | Darragh Greene | Ireland | 27.14 | |
| 5 | 5 | Hüseyin Emre Sakçı | Turkey | 27.17 | |
| 6 | 8 | Yasuhiro Koseki | Japan | 27.22 | |
| 7 | 2 | Nicolo Martinenghi | Italy | 27.31 | |
| 8 | 1 | Ties Elzerman | Netherlands | 27.61 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Adam Peaty | Great Britain | 26.11 | Q |
| 2 | 5 | Felipe Lima | Brazil | 26.62 | Q |
| 3 | 3 | Ilya Shymanovich | Belarus | 26.77 | Q |
| 4 | 6 | Yan Zibei | China | 26.86 | Q, AS |
| 5 | 7 | Michael Andrew | United States | 26.88 | Q |
| 6 | 1 | Tobias Bjerg | Denmark | 27.08 | QSO, NR |
| 7 | 2 | Andrei Nikolaev | Russia | 27.17 | |
| 8 | 8 | Nikola Obrovac | Croatia | 27.31 | |

### Swim-off

The swim-off was held on 23 July at 22:02.
| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Kirill Prigoda | Russia | 27.09 | Q |
| 2 | 5 | Tobias Bjerg | Denmark | 27.16 | |

### Final

The final was held on 24 July at 21:03.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Adam Peaty | Great Britain | 26.06 | |
| | 5 | Felipe Lima | Brazil | 26.66 | |
| | 2 | João Gomes Júnior | Brazil | 26.69 | |
| 4 | 8 | Kirill Prigoda | Russia | 26.72 | NR |
| 5 | 6 | Ilya Shymanovich | Belarus | 26.85 | |
| 6 | 7 | Yan Zibei | China | 26.86 | =AS |
| 7 | 1 | Michael Andrew | United States | 26.93 | |
| | 3 | Fabio Scozzoli | Italy | DSQ | |