# Swimming at the 2017 World Aquatics Championships – Men's 50 metre freestyle

The Men's 50 metre freestyle competition at the 2017 World Championships was held on 28 and 29 July 2017.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | César Cielo (BRA) | 20.91 | São Paulo, Brazil | 18 December 2009 |
| Competition record | César Cielo (BRA) | 21.08 | Rome, Italy | 1 August 2009 |

## Results
### Heats

The heats were held on 28 July at 09:30.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 12 | 3 | Bruno Fratus | Brazil | 21.51 | Q |
| 2 | 11 | 5 | Caeleb Dressel | United States | 21.61 | Q |
| 3 | 11 | 2 | Kristian Golomeev | Greece | 21.69 | Q, NR |
| 4 | 12 | 4 | Vladimir Morozov | Russia | 21.72 | Q |
| 5 | 13 | 3 | Paweł Juraszek | Poland | 21.74 | Q |
| 6 | 13 | 4 | Ben Proud | Great Britain | 21.93 | Q |
| 7 | 11 | 4 | Cameron McEvoy | Australia | 21.95 | Q |
| 8 | 12 | 2 | Luca Dotto | Italy | 21.98 | Q |
| 9 | 12 | 6 | César Cielo | Brazil | 21.99 | Q |
| 9 | 12 | 5 | Nathan Adrian | United States | 21.99 | Q |
| 11 | 11 | 6 | Damian Wierling | Germany | 22.00 | Q |
| 12 | 13 | 5 | Andriy Hovorov | Ukraine | 22.05 | Q |
| 13 | 13 | 7 | Ari-Pekka Liukkonen | Finland | 22.12 | Q |
| 14 | 10 | 4 | Serhiy Shevtsov | Ukraine | 22.13 | Q |
| 15 | 13 | 1 | Shinri Shioura | Japan | 22.17 | Q |
| 16 | 11 | 1 | Krisztián Takács | Hungary | 22.18 | Q |
| 17 | 13 | 6 | Evgeny Sedov | Russia | 22.20 | |
| 18 | 11 | 8 | Maxim Lobanovskij | Hungary | 22.23 | |
| 18 | 13 | 8 | Ali Khalafalla | Egypt | 22.23 | |
| 20 | 12 | 0 | Oussama Sahnoune | Algeria | 22.27 | |
| 21 | 13 | 2 | Jesse Puts | Netherlands | 22.28 | |
| 22 | 12 | 7 | James Roberts | Australia | 22.29 | |
| 23 | 11 | 7 | Katsumi Nakamura | Japan | 22.32 | |
| 24 | 12 | 1 | Yu Hexin | China | 22.41 | |
| 25 | 13 | 9 | Yuri Kisil | Canada | 22.43 | |
| 26 | 13 | 0 | Pieter Timmers | Belgium | 22.47 | |
| 27 | 10 | 2 | Artsiom Machekin | Belarus | 22.49 | |
| 28 | 10 | 6 | Odysseus Meladinis | Greece | 22.50 | |
| 29 | 11 | 3 | Simonas Bilis | Lithuania | 22.51 | |
| 30 | 9 | 4 | Wu Chun-feng | Chinese Taipei | 22.53 | NR |
| 31 | 11 | 9 | Douglas Erasmus | South Africa | 22.56 | |
| 32 | 12 | 8 | Filip Wypych | Poland | 22.57 | |
| 33 | 9 | 7 | Andrej Barna | Serbia | 22.61 | |
| 34 | 9 | 5 | Federico Grabich | Argentina | 22.68 | |
| 34 | 10 | 3 | Shi Yang | China | 22.68 | |
| 36 | 10 | 7 | Miguel Nascimento | Portugal | 22.69 | |
| 37 | 9 | 3 | Hanser García | Cuba | 22.70 | |
| 38 | 9 | 1 | Mislav Sever | Croatia | 22.71 | |
| 38 | 10 | 5 | Daniel Hunter | New Zealand | 22.71 | |
| 40 | 8 | 6 | Shane Ryan | Ireland | 22.79 | |
| 41 | 9 | 8 | Meiron Cheruti | Israel | 22.80 | |
| 41 | 10 | 9 | Yauhen Tsurkin | Belarus | 22.80 | |
| 43 | 7 | 8 | Bradley Vincent | Mauritius | 22.82 | NR |
| 44 | 10 | 8 | Luís Flores | Puerto Rico | 22.83 | |
| 45 | 10 | 0 | Zane Waddell | South Africa | 22.86 | |
| 46 | 9 | 0 | Cristian Quintero | Venezuela | 22.87 | |
| 47 | 9 | 2 | Daniel Zaitsev | Estonia | 22.88 | |
| 47 | 12 | 9 | Oleksandr Loginov | Canada | 22.88 | |
| 49 | 8 | 4 | Justin Plaschka | Jamaica | 22.93 | |
| 49 | 9 | 6 | Sam Perry | New Zealand | 22.93 | |
| 49 | 10 | 1 | Hüseyin Emre Sakçı | Turkey | 22.93 | |
| 52 | 8 | 2 | Julien Henx | Luxembourg | 22.98 | |
| 53 | 8 | 5 | Triady Fauzi Sidiq | Indonesia | 22.99 | |
| 54 | 7 | 0 | Alin Coste | Romania | 23.04 | |
| 55 | 9 | 9 | Yang Jae-hoon | South Korea | 23.05 | |
| 56 | 7 | 5 | Aleksandar Nikolov | Bulgaria | 23.08 | |
| 57 | 8 | 1 | Daniel Ramírez | Mexico | 23.19 | |
| 58 | 8 | 8 | Pavel Izbisciuc | Moldova | 23.23 | |
| 59 | 8 | 3 | Joshua Romany | Trinidad and Tobago | 23.30 | |
| 59 | 8 | 7 | Enzo Martínez | Uruguay | 23.30 | |
| 61 | 7 | 1 | Oliver Elliot | Chile | 23.35 | |
| 62 | 8 | 9 | Peter Wetzlar | Zimbabwe | 23.37 | |
| 62 | 8 | 0 | Aleksey Tarasenko | Uzbekistan | 23.37 | |
| 64 | 7 | 6 | Nikola Bjelajac | Bosnia and Herzegovina | 23.42 | |
| 65 | 11 | 0 | Renzo Tjon-A-Joe | Suriname | 23.51 | |
| 66 | 6 | 3 | Matthew Zammit | Malta | 23.53 | |
| 67 | 7 | 4 | Hoàng Quý Phước | Vietnam | 23.56 | |
| 68 | 7 | 2 | Marco González | Colombia | 23.59 | |
| 69 | 3 | 6 | Issa Mohamed | Kenya | 23.68 | |
| 70 | 6 | 7 | Giorgi Biganishvili | Georgia | 23.72 | NR |
| 71 | 6 | 4 | Anthony Barbar | Lebanon | 23.76 | |
| 71 | 6 | 6 | Jean-Luc Zephir | Saint Lucia | 23.76 | |
| 71 | 7 | 3 | Willian Vallejos | Paraguay | 23.76 | |
| 74 | 6 | 2 | Kevin Avila Soto | Guatemala | 23.84 | |
| 74 | 7 | 7 | Vahan Mkhitaryan | Armenia | 23.84 | |
| 76 | 6 | 5 | Abdoul Niane | Senegal | 23.92 | |
| 77 | 2 | 4 | Denílson da Costa | Mozambique | 23.93 | NR |
| 78 | 3 | 0 | Farhan Farhan | Bahrain | 23.96 | NR |
| 79 | 6 | 1 | Souhail Hamouchane | Morocco | 24.14 | |
| 80 | 5 | 3 | Mohammed Bedour | Jordan | 24.15 | |
| 80 | 6 | 9 | Stefano Mitchell | Antigua and Barbuda | 24.15 | |
| 82 | 5 | 4 | Mahfizur Rahman Sagor | Bangladesh | 24.16 | |
| 83 | 6 | 0 | Jagger Stephens | Guam | 24.18 | |
| 84 | 6 | 8 | Hilal Hemed Hilal | Tanzania | 24.19 | |
| 85 | 2 | 5 | Thibaut Danho | Ivory Coast | 24.24 | |
| 86 | 5 | 1 | Serginni Marten | Curaçao | 24.27 | |
| 86 | 5 | 5 | Miguel Mena | Nicaragua | 24.27 | |
| 88 | 3 | 5 | Ifeakachuku Nmor | Nigeria | 24.31 | |
| 89 | 5 | 2 | Boško Radulović | Montenegro | 24.42 | |
| 90 | 7 | 9 | José Alberto Quintanilla | Bolivia | 24.43 | |
| 91 | 1 | 6 | Myagmaryn Delgerkhüü | Mongolia | 24.49 | NR |
| 91 | 1 | 2 | Bakr Al-Dulaimi | Iraq | 24.49 | NR |
| 93 | 5 | 6 | Christian Nikles | Brunei | 24.71 | |
| 94 | 5 | 8 | Kerry Ollivierre | Grenada | 24.90 | |
| 95 | 5 | 7 | Lum Zhaveli | Kosovo | 24.92 | |
| 96 | 1 | 5 | Temaruata Strickland | Cook Islands | 25.21 | NR |
| 97 | 2 | 3 | Khaled Al-Houti | Suspended Member Federation | 25.24 | |
| 98 | 3 | 2 | Adam Moncherry | Seychelles | 25.27 | |
| 99 | 2 | 1 | Belly-Cresus Ganira | Burundi | 25.32 | NR |
| 100 | 5 | 0 | Olim Kurbanov | Tajikistan | 25.70 | NR |
| 101 | 4 | 9 | Mark Hoare | Eswatini | 25.86 | NR |
| 102 | 5 | 9 | Theo Chiabaut | Monaco | 25.87 | |
| 103 | 1 | 3 | Cheng Pirort | Cambodia | 26.29 | |
| 103 | 4 | 2 | Loiy Juwaihan | Palestine | 26.29 | |
| 105 | 4 | 5 | Santisouk Inthavong | Laos | 26.36 | NR |
| 106 | 2 | 6 | Joseph Denobrega | Guyana | 26.57 | |
| 107 | 3 | 8 | Christian Villacrusis | Northern Mariana Islands | 26.61 | |
| 108 | 3 | 9 | Andrew Lapuka | Tonga | 26.72 | |
| 109 | 4 | 3 | Albachir Mouctar | Niger | 26.75 | |
| 110 | 4 | 4 | Dionisio Augustine | Micronesia | 26.76 | |
| 111 | 4 | 6 | Shawn Dingilius-Wallace | Palau | 26.95 | |
| 112 | 2 | 9 | Ismah Serunjoji | Uganda | 27.37 | |
| 113 | 2 | 8 | Ismail Muthasim Adnan | Maldives | 27.72 | |
| 114 | 2 | 0 | Papy Dossous | Haiti | 27.98 | |
| 115 | 4 | 1 | Jefferson Kpanou | Benin | 28.29 | |
| 116 | 2 | 7 | Houssein Gaber | Djibouti | 28.86 | |
| 117 | 2 | 2 | Roland Zouetaba | Burkina Faso | 29.53 | |
| 118 | 3 | 3 | Phillip Kinono | Marshall Islands | 30.75 | |
| | 3 | 7 | Kwesi Jackson | Ghana | DNS | DNS |
| | 3 | 4 | Adama Niane | Senegal | DNS | DNS |
| | 3 | 1 | Mohammad Rajabi | Afghanistan | DNS | DNS |
| | 4 | 0 | Chaoili Aonzoudine | Comoros | DNS | DNS |
| | 4 | 7 | Osman Kamara | Sierra Leone | DNS | DNS |
| | 4 | 8 | Oumar Kaba | Guinea | DNS | DNS |
| | 1 | 4 | Cruz Halbich | Saint Vincent and the Grenadines | DSQ | DSQ |

### Semifinals

The semifinals were held on 28 July at 18:09.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Caeleb Dressel | United States | 21.29 | Q, NR |
| 2 | 5 | Vladimir Morozov | Russia | 21.45 | Q |
| 3 | 3 | Ben Proud | Great Britain | 21.60 | Q |
| 4 | 2 | Nathan Adrian | United States | 21.83 | |
| 5 | 6 | Luca Dotto | Italy | 21.92 | |
| 6 | 7 | Andriy Hovorov | Ukraine | 21.96 | |
| 7 | 8 | Krisztián Takács | Hungary | 22.05 | |
| 8 | 1 | Serhiy Shevtsov | Ukraine | 22.22 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Bruno Fratus | Brazil | 21.60 | Q |
| 2 | 1 | Ari-Pekka Liukkonen | Finland | 21.71 | Q |
| 2 | 5 | Kristian Golomeev | Greece | 21.71 | Q |
| 4 | 3 | Paweł Juraszek | Poland | 21.74 | Q |
| 5 | 2 | César Cielo | Brazil | 21.77 | Q |
| 6 | 6 | Cameron McEvoy | Australia | 21.81 | |
| 7 | 7 | Damian Wierling | Germany | 21.93 | |
| 8 | 8 | Shinri Shioura | Japan | 22.02 | |

### Final

The final was held on 29 July at 17:39.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Caeleb Dressel | United States | 21.15 | NR |
| | 6 | Bruno Fratus | Brazil | 21.27 | |
| | 3 | Ben Proud | Great Britain | 21.43 | |
| 4 | 5 | Vladimir Morozov | Russia | 21.46 | |
| 5 | 1 | Paweł Juraszek | Poland | 21.47 | NR |
| 6 | 7 | Ari-Pekka Liukkonen | Finland | 21.67 | |
| 7 | 2 | Kristian Golomeev | Greece | 21.73 | |
| 8 | 8 | César Cielo | Brazil | 21.83 | |