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

The Men's 100 metre backstroke competition of the 2024 European Aquatics Championships was held on 22 and 23 June 2024.

## Records

Prior to the competition, the existing world, European and championship records were as follows.
| | Name | Nationality | Time | Location | Date |
| World record | Thomas Ceccon | Italy | 51.60 | Budapest | 20 June 2022 |
| European record | Thomas Ceccon | Italy | 51.60 | Budapest | 20 June 2022 |
| Championship record | Camille Lacourt | France | 52.11 | Budapest | 10 August 2010 |

## Results
### Heats

The heats were started on 22 June at 09:56. Qualification Rules: The 16 fastest from the heats qualify to the semifinals.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | 3 | Kacper Stokowski | Poland | 54.04 | Q |
| 2 | 4 | 4 | Ksawery Masiuk | Poland | 54.28 | Q |
| 3 | 3 | 4 | Ádám Jászó | Hungary | 54.49 | Q |
| 4 | 3 | 2 | Matthew Ward | Great Britain | 54.56 | Q |
| 5 | 4 | 3 | Oleksandr Zheltiakov | Ukraine | 54.60 | Q |
| 6 | 4 | 6 | Conor Ferguson | Ireland | 54.74 | Q |
| =7 | 3 | 6 | Jakub Majerski | Poland | 54.86 | |
| =7 | 5 | 4 | Apostolos Christou | Greece | 54.86 | Q |
| 9 | 5 | 8 | Michael Laitarovsky | Israel | 54.94 | Q |
| 10 | 3 | 5 | Thierry Bollin | Switzerland | 54.96 | Q |
| 11 | 5 | 5 | Evangelos Makrygiannis | Greece | 55.09 | Q |
| =12 | 4 | 1 | Jack Skerry | Great Britain | 55.11 | Q |
| =12 | 4 | 2 | Cornelius Jahn | Germany | 55.11 | Q |
| 14 | 4 | 5 | Adam Maraana | Israel | 55.18 | Q |
| 15 | 5 | 2 | Denis-Laurean Popescu | Romania | 55.65 | Q |
| 16 | 3 | 1 | Tomer Shuster | Israel | 55.67 | |
| 17 | 4 | 8 | Inbar Danziger | Israel | 55.74 | |
| 18 | 3 | 9 | Noah Verreth | Belgium | 55.79 | Q |
| 19 | 4 | 7 | Markus Lie | Norway | 55.97 | Q |
| 20 | 5 | 0 | Kaloyan Levterov | Bulgaria | 56.08 | |
| 21 | 3 | 0 | Radosław Kawęcki | Poland | 56.14 | |
| 22 | 5 | 9 | Moritz Dittrich | Austria | 56.24 | |
| 23 | 3 | 8 | Christian Diener | Germany | 56.31 | |
| 24 | 2 | 3 | Ognjen Kovačević | Serbia | 56.44 | |
| 25 | 2 | 4 | Flavio Bucca | Switzerland | 56.52 | |
| 26 | 5 | 7 | Mert Ali Satir | Turkey | 56.73 | |
| 27 | 1 | 4 | Luka Jovanović | Serbia | 57.03 | |
| 28 | 2 | 5 | Robert Falborg Pedersen | Denmark | 57.19 | |
| 29 | 2 | 8 | Primož Šenica Pavletič | Slovenia | 57.21 | |
| 30 | 2 | 2 | Nikola Dokmanović | Serbia | 57.55 | |
| 31 | 4 | 9 | Đorđe Dragojlović | Serbia | 57.57 | |
| 32 | 2 | 6 | Dino Hasibović Sirotanović | Bosnia and Herzegovina | 57.91 | |
| 33 | 2 | 7 | Mak Nurkić Kačapor | Bosnia and Herzegovina | 57.98 | |
| 34 | 2 | 1 | Zhulian Lavdaniti | Albania | 58.37 | |
| 35 | 1 | 3 | Rashad Alguliev | Azerbaijan | 59.00 | |
| 36 | 1 | 5 | Grisi Koxhaku | Albania | 59.27 | |
| | 3 | 7 | Bernhard Reitshammer | Austria | Did not start | Did not start |
| | 4 | 0 | Samuel Törnqvist | Sweden | Did not start | Did not start |
| | 5 | 1 | Simon Bucher | Austria | Did not start | Did not start |
| | 5 | 3 | Benedek Kovács | Hungary | Did not start | Did not start |
| | 5 | 6 | Ádám Telegdy | Hungary | Did not start | Did not start |

### Semifinals

The semifinal were started on 22 June at 20:14. 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 | 2 | 3 | Apostolos Christou | Greece | 53.20 | Q |
| 2 | 2 | 5 | Evangelos Makrygiannis | Greece | 53.31 | Q |
| 3 | 2 | 4 | Ksawery Masiuk | Poland | 53.54 | Q |
| 4 | 2 | 6 | Kacper Stokowski | Poland | 53.85 | Q |
| 5 | 1 | 5 | Oleksandr Zheltiakov | Ukraine | 53.98 | Q |
| 6 | 1 | 3 | Conor Ferguson | Ireland | 54.12 | Q |
| 7 | 1 | 4 | Ádám Jászó | Hungary | 54.25 | Q |
| 8 | 1 | 6 | Matthew Ward | Great Britain | 54.48 | Q |
| 9 | 1 | 7 | Michael Laitarovsky | Israel | 54.58 | |
| 10 | 1 | 2 | Cornelius Jahn | Germany | 54.68 | |
| 11 | 2 | 2 | Thierry Bollin | Switzerland | 54.83 | |
| 12 | 2 | 7 | Jack Skerry | Great Britain | 54.99 | |
| 13 | 2 | 1 | Markus Lie | Norway | 55.47 | |
| 14 | 2 | 8 | Denis-Laurean Popescu | Romania | 55.85 | |
| 15 | 1 | 1 | Adam Maraana | Israel | 55.97 | |
| 16 | 1 | 8 | Noah Verreth | Belgium | 56.58 | |

### Final

The final was held on 23 June at 18:40.
| Rank | Lane | Name | Nationality | Time |
| | 4 | Apostolos Christou | Greece | 52.23 |
| | 5 | Evangelos Makrygiannis | Greece | 52.83 |
| | 3 | Ksawery Masiuk | Poland | 53.56 |
| 4 | 2 | Oleksandr Zheltiakov | Ukraine | 53.85 |
| 5 | 6 | Kacper Stokowski | Poland | 53.90 |
| 6 | 7 | Ádám Jászó | Hungary | 54.56 |
| 7 | 1 | Matthew Ward | Great Britain | 54.93 |
| 8 | 8 | Michael Laitarovsky | Israel | 55.23 |