# Swimming at the 2018 Summer Youth Olympics – Boys' 50 metre butterfly

The boys' 50 metre butterfly event at the 2018 Summer Youth Olympics took place on 10 and 11 October at the Natatorium in Buenos Aires, Argentina.

## Results
### Heats

The heats were started on 10 October at 10:00.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 7 | 4 | Andrei Minakov | Russia | 23.50 | Q |
| 2 | 7 | 5 | Kristóf Milák | Hungary | 23.99 | Q |
| 3 | 6 | 5 | Daniil Markov | Russia | 24.00 | Q |
| 4 | 6 | 6 | Shen Jiahao | China | 24.15 | Q |
| 5 | 6 | 2 | Thomas Ceccon | Italy | 24.20 | Q |
| 5 | 6 | 4 | Tomoe Zenimoto Hvas | Norway | 24.20 | Q |
| 7 | 7 | 3 | Noè Ponti | Switzerland | 24.21 | Q |
| 8 | 5 | 5 | Luca Nik Armbruster | Germany | 24.30 | Q |
| 9 | 5 | 3 | Federico Burdisso | Italy | 24.39 | Q |
| 10 | 3 | 2 | Artur Barseghyan | Armenia | 24.42 | Q,NR |
| 11 | 5 | 2 | Abeiku Jackson | Ghana | 24.44 | Q |
| 12 | 5 | 4 | Abdelrahman Sameh | Egypt | 24.45 | Q |
| 13 | 5 | 1 | Ihor Troianovskyi | Ukraine | 24.53 | Q |
| 13 | 7 | 2 | Sergueï Comte | France | 24.53 | Q |
| 15 | 4 | 1 | Robin Hanson | Sweden | 24.63 | Q |
| 16 | 6 | 6 | Shinnosuke Ishikawa | Japan | 24.64 | Q |
| 17 | 3 | 3 | Nicholas Lim | Hong Kong | 24.74 | |
| 18 | 4 | 5 | George Rațiu | Romania | 24.75 | |
| 19 | 4 | 6 | Jakub Majerski | Poland | 24.79 | |
| 20 | 7 | 1 | Denys Kesil | Ukraine | 24.97 | |
| 20 | 7 | 7 | Ivan Shamshurin | Belarus | 24.97 | |
| 22 | 5 | 6 | Gal Kordež | Slovenia | 24.99 | |
| 23 | 7 | 6 | Jean-Marc Delices | France | 25.04 | |
| 24 | 4 | 2 | Maurice Ingenrieth | Germany | 25.08 | |
| 25 | 2 | 7 | Akalanka Peiris | Sri Lanka | 25.18 | |
| 26 | 3 | 4 | Gal Cohen Groumi | Israel | 25.20 | |
| 26 | 4 | 4 | Kael Yorke | Trinidad and Tobago | 25.20 | |
| 28 | 7 | 8 | Guillermo Cruz | Mexico | 25.24 | |
| 29 | 4 | 3 | Yousif Buarissh | Saudi Arabia | 25.27 | |
| 30 | 5 | 7 | Tihomir Todorov | Bulgaria | 25.33 | |
| 31 | 6 | 7 | Dominik Karačić | Croatia | 25.35 | |
| 32 | 6 | 1 | Fatih Tahirović | Bosnia and Herzegovina | 25.36 | |
| 33 | 3 | 3 | Benjamin Schnapp | Chile | 25.42 | |
| 34 | 3 | 5 | Hendrik Duvenhage | South Africa | 25.54 | |
| 35 | 6 | 8 | Jake Johnson | United States | 25.63 | |
| 36 | 4 | 8 | Alex Ahtiainen | Estonia | 25.66 | |
| 37 | 5 | 8 | Ong Jung Yi | Singapore | 25.67 | |
| 38 | 2 | 2 | Jayhan Odlum-Smith | Saint Lucia | 25.74 | |
| 39 | 3 | 7 | Kirill Shatskov | Kazakhstan | 25.86 | |
| 40 | 2 | 4 | Joseph Jackson | Australia | 25.89 | |
| 41 | 3 | 1 | Lleyton Martin | Antigua and Barbuda | 25.93 | |
| 42 | 2 | 3 | Rudi Spiteri | Malta | 26.13 | |
| 43 | 2 | 5 | Low Zheng Yong | Malaysia | 26.24 | |
| 44 | 2 | 6 | Yael Touw Ngie Tjouw | Suriname | 26.27 | |
| 45 | 3 | 8 | Matej Duša | Slovakia | 26.35 | |
| 45 | 4 | 7 | Robbie Powell | Ireland | 26.35 | |
| 47 | 1 | 5 | Ousmane Touré | Mali | 28.32 | |
| 48 | 1 | 3 | Andrew Qumsieh | Palestine | 29.53 | |
| 49 | 1 | 4 | Ismat Moani | Sudan | 30.24 | |
| 50 | 2 | 1 | Bunna Poeuvpichra | Cambodia | 30.93 | |

### Semifinals

The semifinals were started on 10 October at 19:00.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 3 | Thomas Ceccon | Italy | 23.46 | Q |
| 2 | 2 | 4 | Andrei Minakov | Russia | 23.47 | Q |
| 3 | 2 | 5 | Daniil Markov | Russia | 23.77 | Q |
| 4 | 1 | 4 | Kristóf Milák | Hungary | 23.84 | Q |
| 5 | 1 | 3 | Tomoe Zenimoto Hvas | Norway | 24.07 | Q |
| 6 | 1 | 7 | Abdelrahman Sameh | Egypt | 24.15 | Q |
| 7 | 1 | 5 | Shen Jiahao | China | 24.29 | Q |
| 7 | 2 | 2 | Federico Burdisso | Italy | 24.29 | Q |
| 9 | 2 | 6 | Noè Ponti | Switzerland | 24.31 | |
| 10 | 2 | 1 | Ihor Troianovskyi | Ukraine | 24.33 | |
| 11 | 1 | 1 | Sergueï Comte | France | 24.38 | |
| 12 | 1 | 2 | Artur Barseghyan | Armenia | 24.44 | |
| 13 | 1 | 6 | Luca Nik Armbruster | Germany | 24.45 | |
| 14 | 1 | 8 | Shinnosuke Ishikawa | Japan | 24.76 | |
| 15 | 2 | 7 | Abeiku Jackson | Ghana | 24.90 | |
| 16 | 2 | 8 | Robin Hanson | Sweden | 25.35 | |

### Final

The final was held on 11 October at 18:48.
| Rank | Lane | Name | Nationality | Time |
| | 5 | Andrei Minakov | Russia | 23.62 |
| | 2 | Tomoe Zenimoto Hvas | Norway | 23.63 |
| | 3 | Daniil Markov | Russia | 23.63 |
| 4 | 4 | Thomas Ceccon | Italy | 23.65 |
| 5 | 1 | Shen Jiahao | China | 23.83 |
| 6 | 7 | Abdelrahman Sameh | Egypt | 24.07 |
| 7 | 6 | Kristóf Milák | Hungary | 24.11 |
| 8 | 8 | Federico Burdisso | Italy | 24.25 |