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

The Men's 50 metre butterfly competition at the 2019 World Championships was held on 21 and 22 July 2019. The defending champion Ben Proud finished 7th in the final. The winner, Caeleb Dressel, set a competition record in the final, winning in 22.35 seconds.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Andriy Govorov (UKR) | 22.27 | Rome, Italy | 1 July 2018 |
| Competition record | Milorad Čavić (SRB) | 22.67 | Rome, Italy | 27 July 2009 |
The following new records were set during this competition.
| Date | Event | Name | Nationality | Time | Record |
| 21 July | Semifinal | Caeleb Dressel | United States | 22.57 | CR |
| 22 July | Final | Caeleb Dressel | United States | 22.35 | CR |

## Results
### Heats

The heats were held on 21 July at 11:02.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 8 | 5 | Caeleb Dressel | United States | 22.84 | Q |
| 1 | 10 | 4 | Andriy Govorov | Ukraine | 22.84 | Q |
| 3 | 8 | 4 | Oleg Kostin | Russia | 23.01 | Q |
| 4 | 10 | 6 | Szebasztián Szabó | Hungary | 23.07 | Q |
| 5 | 9 | 5 | Michael Andrew | United States | 23.09 | Q |
| 6 | 10 | 8 | Daniel Zaitsev | Estonia | 23.26 | Q, NR |
| 7 | 10 | 3 | Andrey Zhilkin | Russia | 23.27 | Q |
| 8 | 9 | 3 | Dylan Carter | Trinidad and Tobago | 23.33 | Q |
| 9 | 10 | 5 | Ben Proud | Great Britain | 23.35 | Q |
| 10 | 8 | 9 | Maxime Grousset | France | 23.36 | Q |
| 11 | 9 | 4 | Nicholas Santos | Brazil | 23.48 | Q |
| 12 | 9 | 8 | Meiron Cheruti | Israel | 23.49 | Q, NR |
| 13 | 8 | 3 | Kristian Golomeev | Greece | 23.51 | Q |
| 14 | 10 | 7 | Piero Codia | Italy | 23.52 | Q |
| 15 | 7 | 5 | Abdelrahman Sameh | Egypt | 23.54 | Q, NR |
| 16 | 8 | 6 | Konrad Czerniak | Poland | 23.63 | Q |
| 17 | 7 | 3 | Adilbek Mussin | Kazakhstan | 23.64 | NR |
| 18 | 9 | 0 | Tomoe Zenimoto Hvas | Norway | 23.67 | |
| 19 | 9 | 6 | Yauhen Tsurkin | Belarus | 23.70 | |
| 20 | 9 | 1 | Joseph Schooling | Singapore | 23.73 | |
| 21 | 9 | 2 | Naoki Mizunuma | Japan | 23.74 | |
| 22 | 8 | 0 | Niksa Stojkovski | Norway | 23.75 | |
| 23 | 10 | 9 | Cui Junming | China | 23.80 | |
| 24 | 8 | 2 | Mathys Goosen | Netherlands | 23.84 | |
| 25 | 7 | 8 | Umitcan Gures | Turkey | 23.86 | |
| 25 | 10 | 2 | Marius Kusch | Germany | 23.86 | |
| 27 | 8 | 7 | Serhiy Shevtsov | Ukraine | 23.87 | |
| 28 | 7 | 1 | Julien Henx | Luxembourg | 23.91 | NR |
| 28 | 8 | 1 | Vinicius Lanza | Brazil | 23.91 | |
| 30 | 8 | 8 | Yu Hexin | China | 23.92 | |
| 31 | 9 | 9 | Riku Pöytäkivi | Finland | 23.93 | |
| 32 | 10 | 1 | László Cseh | Hungary | 23.94 | |
| 33 | 7 | 4 | Roberto Strelkov | Argentina | 23.99 | |
| 34 | 10 | 0 | Tadas Duškinas | Lithuania | 24.02 | |
| 35 | 7 | 0 | Nikola Miljenić | Croatia | 24.06 | |
| 36 | 9 | 7 | Ryan Coetzee | South Africa | 24.13 | |
| 37 | 6 | 4 | Yusuf Tibazi | Morocco | 24.18 | |
| 38 | 7 | 6 | Daniel Hunter | New Zealand | 24.21 | |
| 39 | 7 | 2 | Benjamin Hockin | Paraguay | 24.23 | |
| 40 | 7 | 7 | Antani Ivanov | Bulgaria | 24.28 | |
| 41 | 7 | 9 | Virdhawal Khade | India | 24.41 | |
| 42 | 5 | 4 | Vladimír Štefánik | Slovakia | 24.47 | |
| 43 | 6 | 2 | George-Adrian Ratiu | Romania | 24.48 | |
| 44 | 6 | 8 | Joshua Edwards | Canada | 24.52 | |
| 45 | 6 | 1 | Ng Cheuk Yin | Hong Kong | 24.54 | |
| 46 | 6 | 6 | Paul le Nguyễn | Vietnam | 24.58 | |
| 47 | 6 | 3 | Mihajlo Čeprkalo | Bosnia and Herzegovina | 24.59 | |
| 48 | 6 | 5 | Heo Hwan | South Korea | 24.63 | |
| 49 | 6 | 7 | Glenn Sutanto | Indonesia | 24.84 | |
| 50 | 6 | 9 | Abeiku Jackson | Ghana | 24.85 | |
| 51 | 5 | 5 | Aleksi Schmid | Switzerland | 24.88 | |
| 52 | 5 | 2 | Abbas Qali | Kuwait | 24.91 | |
| 53 | 6 | 0 | Lin Chien-liang | Chinese Taipei | 24.96 | |
| 54 | 5 | 3 | Ralph Goveia | Zambia | 25.08 | |
| 54 | 5 | 6 | Jie Chan | Malaysia | 25.08 | |
| 56 | 4 | 4 | Boško Radulović | Montenegro | 25.11 | |
| 57 | 4 | 3 | Daniel Francisco | Angola | 25.15 | |
| 58 | 5 | 1 | Bernat Lomero | Andorra | 25.24 | |
| 58 | 5 | 7 | Seggio Bernardina | Curaçao | 25.24 | |
| 60 | 2 | 2 | Ifeakachuku Nmor | Nigeria | 25.34 | |
| 61 | 4 | 6 | Erico Cuna | Mozambique | 25.40 | |
| 62 | 5 | 0 | Issa Mohamed | Kenya | 25.44 | |
| 63 | 5 | 9 | Jayhan Odlum-Smith | Saint Lucia | 25.47 | |
| 64 | 5 | 8 | Yousif Bu Arish | Saudi Arabia | 25.48 | |
| 65 | 4 | 1 | Stefano Mitchell | Antigua and Barbuda | 25.69 | |
| 66 | 3 | 8 | Irvin Hoost | Suriname | 25.97 | |
| 67 | 1 | 3 | Vahan Mkhitaryan | Armenia | 26.06 | |
| 68 | 4 | 7 | Rami Anis | FINA Independent Athletes | 26.24 | |
| 69 | 2 | 9 | Abdulla Ahmed | Bahrain | 26.69 | NR |
| 70 | 2 | 8 | Kerry Ollivierre | Grenada | 26.93 | |
| 71 | 4 | 5 | Hilal Hilal | Tanzania | 27.13 | |
| 72 | 2 | 0 | Keouodom Lim | Cambodia | 27.33 | |
| 73 | 4 | 0 | Mohammed Jibali | Libya | 27.53 | |
| 74 | 2 | 1 | Ousmane Touré | Mali | 27.67 | |
| 75 | 2 | 4 | Troy Pina | Cape Verde | 27.68 | |
| 76 | 4 | 8 | Billy-Scott Irakose | Burundi | 28.43 | |
| 77 | 3 | 4 | Leon Seaton | Guyana | 28.54 | |
| 78 | 3 | 3 | Izzeldin Ibrahim | Sudan | 28.62 | |
| 79 | 2 | 7 | Simanga Dlamini | Eswatini | 28.64 | |
| 80 | 3 | 5 | Jefferson Kpanou | Benin | 28.72 | |
| 81 | 4 | 9 | Alijon Khairulloev | Tajikistan | 28.81 | |
| 82 | 3 | 0 | Edgar Iro | Solomon Islands | 29.40 | |
| 83 | 1 | 4 | Albachir Mouctar | Niger | 29.45 | |
| 84 | 2 | 6 | Achala Gekabel | Ethiopia | 29.59 | |
| 85 | 2 | 3 | Michael Swift | Malawi | 29.60 | |
| 86 | 2 | 5 | Joshua Wyse | Sierra Leone | 29.85 | |
| 87 | 3 | 6 | Shawn Dingilius-Wallace | Palau | 30.39 | |
| 88 | 1 | 5 | Slava Sihanouvong | Laos | 30.40 | |
| 89 | 3 | 2 | Cedrick Niyibizi | Rwanda | 30.92 | |
| 90 | 3 | 9 | Charly Ndjoume | Cameroon | 31.71 | |
| 91 | 3 | 7 | Houssein Gaber | Djibouti | 31.74 | |
| 92 | 1 | 2 | Mohamed Ibrahim | Comoros | 32.53 | |
| 93 | 1 | 6 | Kinley Lhendup | Bhutan | 34.21 | |
| 94 | 3 | 1 | Hassan Baidar | Yemen | 34.70 | |
| | 4 | 2 | Davidson Vincent | Haiti | DNS | DNS |

### Semifinals

The semifinals were held on 21 July at 20:23.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Andriy Govorov | Ukraine | 22.80 | Q |
| 2 | 5 | Szebasztián Szabó | Hungary | 23.09 | Q |
| 3 | 1 | Piero Codia | Italy | 23.29 | |
| 4 | 3 | Daniel Zaitsev | Estonia | 23.31 | |
| 5 | 8 | Konrad Czerniak | Poland | 23.36 | |
| 6 | 6 | Dylan Carter | Trinidad and Tobago | 23.37 | |
| 7 | 2 | Maxime Grousset | France | 23.41 | |
| 8 | 7 | Meiron Cheruti | Israel | 23.62 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Caeleb Dressel | United States | 22.57 | Q, CR, AM |
| 2 | 7 | Nicholas Santos | Brazil | 22.77 | Q |
| 3 | 5 | Oleg Kostin | Russia | 22.88 | Q |
| 4 | 3 | Michael Andrew | United States | 22.95 | Q |
| 5 | 2 | Ben Proud | Great Britain | 23.14 | Q |
| 6 | 6 | Andrey Zhilkin | Russia | 23.21 | Q |
| 7 | 1 | Kristian Golomeev | Greece | 23.29 | |
| 8 | 8 | Abdelrahman Sameh | Egypt | 23.68 | |

### Final

The final was held on 22 July at 20:47.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Caeleb Dressel | United States | 22.35 | CR, AM |
| | 6 | Oleg Kostin | Russia | 22.70 | NR |
| | 5 | Nicholas Santos | Brazil | 22.79 | |
| 4 | 2 | Michael Andrew | United States | 22.80 | |
| 5 | 7 | Szebasztián Szabó | Hungary | 22.90 | NR |
| 6 | 3 | Andriy Govorov | Ukraine | 22.91 | |
| 7 | 1 | Ben Proud | Great Britain | 23.01 | |
| 8 | 8 | Andrey Zhilkin | Russia | 23.11 | |