# 2018 FINA World Swimming Championships (25 m) – Men's 100 metre breaststroke

The Men's 100 metre breaststroke competition of the 2018 FINA World Swimming Championships (25 m) was held on 11 and 12 December 2018 at the Hangzhou Olympic Sports Center.

## Records

Prior to the competition, the existing world and championship records were as follows.
| | Name | Nation | Time | Location | Date |
| World record | Cameron van der Burgh | South Africa | 55.61 | Berlin | 15 November 2009 |
| Championship record | Felipe França Silva | Brazil | 56.29 | Doha | 4 December 2014 |
The following new records were set during this competition:
| Date | Event | Name | Nation | Time | Record |
| 12 December | Final | Cameron van der Burgh | South Africa | 56.01 | CR |

## Results
### Heats

The heats were started at 11:25.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 6 | 5 | Ilya Shymanovich | Belarus | 56.47 | Q |
| 2 | 7 | 4 | Fabio Scozzoli | Italy | 56.94 | Q |
| 3 | 5 | 4 | Andrew Wilson | United States | 57.01 | Q |
| 4 | 8 | 6 | Wang Lizhuo | China | 57.03 | Q |
| 5 | 7 | 3 | Felipe Lima | Brazil | 57.14 | Q |
| 6 | 8 | 5 | Yasuhiro Koseki | Japan | 57.15 | Q |
| 7 | 8 | 4 | Kirill Prigoda | Russia | 57.17 | Q |
| 8 | 7 | 6 | Nicolo Martinenghi | Italy | 57.27 | Q |
| 9 | 7 | 2 | Cameron van der Burgh | South Africa | 57.39 | Q |
| 10 | 8 | 3 | Arno Kamminga | Netherlands | 57.41 | Q |
| 11 | 6 | 6 | Hayato Watanabe | Japan | 57.53 | Q |
| 12 | 5 | 3 | Anton Sveinn McKee | Iceland | 57.57 | Q |
| 12 | 6 | 3 | Fabian Schwingenschlögl | Germany | 57.57 | Q |
| 14 | 7 | 1 | Marco Koch | Germany | 57.60 | Q |
| 15 | 8 | 2 | João Gomes Júnior | Brazil | 57.62 | Q |
| 16 | 6 | 2 | Michael Andrew | United States | 57.63 | |
| 17 | 7 | 5 | Yan Zibei | China | 57.65 | |
| 18 | 6 | 0 | Hüseyin Emre Sakçı | Turkey | 57.76 | |
| 19 | 8 | 1 | Erik Persson | Sweden | 57.83 | |
| 20 | 6 | 4 | Oleg Kostin | Russia | 57.85 | |
| 21 | 7 | 9 | Tomáš Klobučník | Slovakia | 58.11 | |
| 22 | 7 | 7 | Andrius Šidlauskas | Lithuania | 58.20 | |
| 23 | 8 | 7 | Giedrius Titenis | Lithuania | 58.50 | |
| 24 | 6 | 1 | Grayson Bell | Australia | 58.54 | |
| 25 | 6 | 8 | Martin Allikvee | Estonia | 58.61 | |
| 25 | 7 | 0 | Yannick Käser | Switzerland | 58.61 | |
| 27 | 8 | 0 | Thibaut Capitaine | France | 58.72 | |
| 28 | 6 | 7 | Peter John Stevens | Slovenia | 58.73 | |
| 29 | 8 | 9 | Dávid Horváth | Hungary | 58.86 | |
| 30 | 5 | 6 | Darragh Greene | Ireland | 58.91 | |
| 30 | 7 | 8 | Chao Man Hou | Macau | 58.91 | |
| 32 | 5 | 1 | Carlos Claverie | Venezuela | 58.98 | |
| 33 | 6 | 9 | Renato Prono | Paraguay | 59.35 | |
| 34 | 4 | 2 | Édgar Crespo | Panama | 59.40 | |
| 35 | 5 | 9 | Youssef El-Kamash | Egypt | 59.61 | |
| 36 | 5 | 5 | Nikola Obrovac | Croatia | 59.86 | |
| 37 | 5 | 8 | Lyubomir Epitropov | Bulgaria | 59.92 | |
| 38 | 5 | 2 | Azad Al-Barzi | Syria | 1:00.05 | |
| 39 | 1 | 5 | Cai Bing-rong | Chinese Taipei | 1:00.09 | |
| 40 | 4 | 5 | Carlos Mahecha | Colombia | 1:00.31 | |
| 41 | 4 | 6 | Denis Petrashov | Kyrgyzstan | 1:00.49 | |
| 42 | 5 | 7 | Martin Melconian | Uruguay | 1:00.67 | |
| 43 | 4 | 4 | Mykyta Koptielov | Ukraine | 1:00.98 | |
| 44 | 5 | 0 | George Schroder | New Zealand | 1:01.09 | |
| 45 | 4 | 7 | Taichi Vakasama | Fiji | 1:01.16 | |
| 46 | 4 | 0 | Santiago Cavanagh | Bolivia | 1:01.29 | |
| 47 | 4 | 1 | Adriel Sanes | United States Virgin Islands | 1:01.87 | |
| 47 | 4 | 3 | Serginni Marten | Curaçao | 1:01.87 | |
| 49 | 2 | 9 | Benjamin Schulte | Guam | 1:02.01 | |
| 50 | 3 | 5 | Sebastien Kouma | Mali | 1:02.11 | |
| 51 | 3 | 3 | Arnoldo Herrera | Costa Rica | 1:02.20 | |
| 52 | 4 | 9 | Amro Al-Wir | Jordan | 1:02.78 | |
| 53 | 1 | 4 | Zandanbal Gunsennorov | Mongolia | 1:02.93 | |
| 54 | 3 | 6 | Ronan Wantenaar | Namibia | 1:03.51 | |
| 55 | 3 | 0 | Samuele Rossi | Seychelles | 1:03.52 | |
| 56 | 3 | 2 | Liam Davis | Zimbabwe | 1:03.93 | |
| 57 | 3 | 1 | Filipe Gomes | Malawi | 1:04.18 | |
| 57 | 3 | 4 | Ludovico Corsini | Mozambique | 1:04.18 | |
| 59 | 4 | 8 | Michael Stafrace | Malta | 1:04.19 | |
| 60 | 2 | 3 | Muis Ahmad | Bahrain | 1:04.45 | |
| 61 | 3 | 7 | Alexandros Axiotis | Zambia | 1:04.58 | |
| 62 | 3 | 8 | Mario Ervedosa | Angola | 1:04.60 | |
| 63 | 3 | 9 | Leonard Kalate | Papua New Guinea | 1:04.89 | |
| 64 | 2 | 5 | Brandon Cheong | Aruba | 1:05.48 | |
| 65 | 2 | 4 | Patrick Pelegrina Cuén | Andorra | 1:05.60 | |
| 66 | 2 | 7 | Shane Cadogan | Saint Vincent and the Grenadines | 1:05.78 | |
| 67 | 2 | 6 | Vali Israfilov | Azerbaijan | 1:07.29 | |
| 68 | 1 | 3 | Abdulmalik Ben Musa | Libya | 1:08.59 | |
| 69 | 2 | 0 | Luke Haywood | Turks and Caicos Islands | 1:09.30 | |
| 70 | 1 | 2 | Shuvam Shrestha | Nepal | 1:09.43 | |
| 71 | 2 | 1 | Yaya Yeressa | Guinea | 1:15.15 | |
| 72 | 2 | 8 | Gildas Koumondji | Benin | 1:21.44 | |
| 73 | 1 | 7 | Ebenezer Osabutey | Ghana | 1:24.49 | |
| | 1 | 6 | Ramah Arifi | Afghanistan | DSQ | |
| | 2 | 2 | Nkosi Dunwoody | Barbados | DSQ | |
| | 8 | 8 | Ari-Pekka Liukkonen | Finland | DSQ | |

### Semifinals

The semifinals were held at 20:04.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Fabio Scozzoli | Italy | 56.30 | Q |
| 2 | 3 | Yasuhiro Koseki | Japan | 56.42 | Q |
| 3 | 5 | Wang Lizhuo | China | 56.89 | Q |
| 4 | 2 | Arno Kamminga | Netherlands | 57.09 | Q |
| 5 | 8 | Michael Andrew | United States | 57.24 | |
| 6 | 1 | Marco Koch | Germany | 57.39 | |
| 7 | 6 | Nicolo Martinenghi | Italy | 57.47 | |
| 8 | 7 | Anton Sveinn McKee | Iceland | 57.94 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 6 | Kirill Prigoda | Russia | 56.31 | Q |
| 2 | 4 | Ilya Shymanovich | Belarus | 56.43 | Q |
| 3 | 2 | Cameron van der Burgh | South Africa | 56.90 | Q |
| 4 | 5 | Andrew Wilson | United States | 56.92 | Q |
| 5 | 1 | Fabian Schwingenschlögl | Germany | 57.21 | |
| 6 | 8 | João Gomes Júnior | Brazil | 57.26 | |
| 7 | 3 | Felipe Lima | Brazil | 57.30 | |
| 8 | 7 | Hayato Watanabe | Japan | 57.51 | |

### Final

The final was held at 19:29.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 7 | Cameron van der Burgh | South Africa | 56.01 | CR |
| | 6 | Ilya Shymanovich | Belarus | 56.10 | NR |
| | 3 | Yasuhiro Koseki | Japan | 56.13 | AS |
| 4 | 4 | Fabio Scozzoli | Italy | 56.48 | |
| 5 | 5 | Kirill Prigoda | Russia | 56.56 | |
| 6 | 2 | Wang Lizhuo | China | 56.91 | |
| 7 | 8 | Arno Kamminga | Netherlands | 57.10 | |
| 8 | 1 | Andrew Wilson | United States | 57.19 | |