# Swimming at the 2024 European Aquatics Championships – Men's 100 metre breaststroke

The Men's 100 metre breaststroke competition of the 2024 European Aquatics Championships was held on 17 and 18 June 2024.

## Records

Prior to the competition, the existing world, European and championship records were as follows.
| | Name | Nationality | Time | Location | Date |
| World record | Adam Peaty | Great Britain | 56.88 | Gwangju | 21 July 2019 |
| European record | Adam Peaty | Great Britain | 56.88 | Gwangju | 21 July 2019 |
| Championship record | Adam Peaty | Great Britain | 57.10 | Glasgow | 4 August 2018 |

## Results
### Heats

The heats were started on 17 June at 10:19. Qualification Rules: The 16 fastest from the heats qualify to the semifinals.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | 5 | Andrius Šidlauskas | Lithuania | 59.36 | Q |
| 2 | 4 | 4 | Melvin Imoudu | Germany | 59.43 | Q |
| 3 | 5 | 6 | Ron Polonsky | Israel | 1:00.07 | Q |
| 4 | 5 | 4 | Lucas Matzerath | Germany | 1:00.09 | Q |
| 5 | 3 | 4 | Berkay Öğretir | Turkey | 1:00.33 | Q |
| 6 | 3 | 2 | Lyubomir Epitropov | Bulgaria | 1:00.37 | Q |
| 7 | 3 | 5 | Jan Kalusowski | Poland | 1:00.39 | Q |
| 8 | 5 | 3 | Darragh Greene | Ireland | 1:00.53 | Q |
| 9 | 5 | 2 | Valentin Bayer | Austria | 1:00.61 | Q |
| 10 | 4 | 5 | Bernhard Reitshammer | Austria | 1:00.64 | Q |
| 11 | 4 | 3 | Noel de Geus | Germany | 1:00.66 | |
| 12 | 3 | 6 | Jonathan Itzhaki | Israel | 1:00.70 | Q |
| 13 | 3 | 3 | Hüseyin Emre Sakçı | Turkey | 1:00.73 | Q |
| 14 | 3 | 1 | Kristian Pitshugin | Israel | 1:01.11 | |
| 15 | 3 | 7 | Volodymyr Lisovets | Ukraine | 1:01.20 | Q |
| 16 | 4 | 7 | Jérémy Desplanches | Switzerland | 1:01.36 | Q |
| 17 | 4 | 6 | Eoin Corby | Ireland | 1:01.39 | Q |
| 18 | 5 | 8 | Vojtech Netrh | Czech Republic | 1:01.41 | |
| 19 | 4 | 2 | Maksym Ovchinnikov | Ukraine | 1:01.51 | |
| 20 | 3 | 8 | Elias Elsgaard | Denmark | 1:01.52 | |
| 21 | 4 | 0 | João Reisen | Luxembourg | 1:01.64 | |
| 22 | 2 | 6 | Snorri Dagur Einarsson | Iceland | 1:01.66 | |
| 23 | 5 | 7 | Peter John Stevens | Slovenia | 1:01.74 | |
| 24 | 2 | 3 | Daniils Bobrovs | Latvia | 1:01.88 | |
| 25 | 2 | 7 | Denis Svet | Moldova | 1:01.93 | |
| 26 | 5 | 1 | Tonislav Sabev | Bulgaria | 1:02.02 | |
| 27 | 3 | 9 | Yakov Yan Toumarkin | Israel | 1:02.13 | |
| 28 | 5 | 0 | Christopher Rothbauer | Austria | 1:02.15 | |
| 29 | 4 | 9 | Jørgen Bråthen | Norway | 1:02.21 | |
| 30 | 4 | 8 | Georgios Aspougalis | Greece | 1:02.38 | |
| 31 | 1 | 5 | Einar Margeir Ágústsson | Iceland | 1:02.39 | |
| 32 | 5 | 9 | Jonas Gaur | Denmark | 1:02.48 | |
| 33 | 2 | 9 | Finn Kemp | Luxembourg | 1:02.54 | |
| 34 | 3 | 0 | Uiseann Cooke | Ireland | 1:02.89 | |
| 35 | 2 | 2 | Nusrat Allahverdi | Turkey | 1:03.03 | |
| 36 | 2 | 5 | Uroš Živanović | Serbia | 1:03.14 | |
| 37 | 2 | 1 | Olli Kokko | Finland | 1:03.33 | |
| 38 | 2 | 8 | Jovan Bojčić | Serbia | 1:03.47 | |
| 39 | 2 | 4 | Davin Lindholm | Finland | 1:04.16 | |
| 40 | 1 | 4 | Jami Ihalainen | Finland | 1:04.24 | |
| 41 | 1 | 8 | Vojtech Janecek | Czech Republic | 1:04.35 | |
| 42 | 1 | 7 | Marko Priednieks | Latvia | 1:04.54 | |
| 43 | 1 | 2 | Luka Eradze | Georgia | 1:04.61 | |
| 44 | 1 | 1 | Matiss Katkins | Latvia | 1:04.67 | |
| 45 | 1 | 6 | Julius Nyberg | Finland | 1:04.78 | |
| 46 | 1 | 3 | Matija Rađenović | Serbia | 1:05.34 | |
| 47 | 1 | 0 | Bartal Erlingsson Eidesgaard | Faroe Islands | 1:05.70 | |
| 48 | 1 | 9 | Even Qarri | Albania | 1:05.70 | |
| | 2 | 0 | Gian-Luca Gartmann | Switzerland | Did not start | Did not start |

### Semifinals

The semifinal were started on 17 June at 19:05. Qualification Rules: The first 2 competitors of each semifinal and the remaining fastest (up to a total of 8 qualified competitors) from the semifinals advance to the final.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 1 | 4 | Melvin Imoudu | Germany | 59.28 | Q |
| 2 | 2 | 3 | Berkay Ömer Öğretir | Turkey | 59.54 | Q |
| 3 | 1 | 5 | Lucas Matzerath | Germany | 59.71 | Q |
| 4 | 2 | 6 | Jan Kalusowski | Poland | 59.77 | Q, NR |
| 5 | 1 | 2 | Bernhard Reitshammer | Austria | 59.98 | Q |
| 6 | 2 | 4 | Andrius Šidlauskas | Lithuania | 1:00.18 | Q |
| 7 | 1 | 6 | Darragh Greene | Ireland | 1:00.46 | Q |
| 8 | 1 | 3 | Lyubomir Epitropov | Bulgaria | 1:00.47 | Q |
| 9 | 2 | 7 | Jonathan Itzhaki | Israel | 1:00.58 | |
| 10 | 2 | 1 | Volodymyr Lisovets | Ukraine | 1:00.74 | |
| 11 | 2 | 8 | Eoin Corby | Ireland | 1:00.89 | |
| 12 | 2 | 2 | Valentin Bayer | Austria | 1:00.91 | |
| 13 | 1 | 7 | Hüseyin Emre Sakçı | Turkey | 1:01.5 | |
| 14 | 1 | 8 | Vojtech Netrh | Czech Republic | 1:01.24 | |
| 15 | 1 | 1 | Jérémy Desplanches | Switzerland | 1:01.67 | |
| | 2 | 5 | Ron Polonsky | Israel | Disqualified | Disqualified |

### Final

The final was held on 18 June at 18:48.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Melvin Imoudu | Germany | 58.84 | |
| | 5 | Berkay Ömer Öğretir | Turkey | 59.23 | |
| | 7 | Andrius Šidlauskas | Lithuania | 59.27 | |
| 4 | 3 | Lucas Matzerath | Germany | 59.33 | |
| 5 | 6 | Jan Kalusowski | Poland | 59.58 | NR |
| 6 | 2 | Bernhard Reitshammer | Austria | 1:00.13 | |
| 7 | 1 | Darragh Greene | Ireland | 1:00.28 | |
| 8 | 8 | Lyubomir Epitropov | Bulgaria | 1:00.34 | |