# 2024 World Aquatics Swimming Championships (25 m) – Men's 100 metre individual medley

The Men's 100 metre individual medley competition of the 2024 World Aquatics Swimming Championships (25 m) was held on 12 and 13 December 2024.

## Records

Prior to the competition, the existing world and championship records were as follows:
| World record | Caeleb Dressel (USA) | 49.28 | Budapest | 22 November 2020 |
| Competition record | Kliment Kolesnikov (RUS) | 50.63 | Hangzhou | 14 December 2018 |

## Results
### Heats

The heats were started on 12 December at 10:18.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 3 | Nikola Miljenić | Croatia | 51.32 | Q |
| 2 | 4 | 4 | Noè Ponti | Switzerland | 51.67 | Q |
| 3 | 4 | 5 | Carles Coll Marti | Spain | 51.70 | Q, NR |
| 4 | 2 | 4 | Bernhard Reitshammer | Austria | 51.78 | Q |
| 5 | 4 | 3 | Caio Pumputis | Brazil | 51.81 | Q, SA |
| 6 | 3 | 4 | Emre Sakçı | Turkey | 52.10 | Q |
| 7 | 3 | 5 | Berke Saka | Turkey | 52.23 | Q |
| 8 | 2 | 5 | Kim Ji-hun | South Korea | 52.24 | Q |
| 9 | 3 | 3 | Heiko Gigler | Austria | 52.26 | Q |
| 10 | 3 | 6 | Michael Andrew | United States | 52.33 | Q |
| 11 | 2 | 6 | Leonardo Coelho Santos | Brazil | 52.43 | Q |
| 12 | 4 | 6 | Miroslav Knedla | Czech Republic | 52.56 | Q |
| 13 | 4 | 2 | Ronny Brannkarr | Finland | 52.91 | Q |
| =14 | 3 | 2 | Dmitrii Savenko | Neutral Athletes B | 53.07 | Q |
| =14 | 4 | 7 | Vadym Naumenko | Ukraine | 53.07 | Q, NR |
| 16 | 3 | 7 | Benedek Andor | Hungary | 53.67 | Q |
| 17 | 2 | 7 | Alex Ahtiainen | Estonia | 53.79 | R |
| 18 | 2 | 1 | Jaouad Syoud | Algeria | 53.96 | R, NR |
| 19 | 1 | 6 | Munzer Kabbara | Lebanon | 54.03 | NR |
| =20 | 4 | 1 | Yat Ho Koo | Hong Kong | 54.36 | |
| =20 | 4 | 8 | Einar Margeir Ágústsson | Iceland | 54.36 | |
| 22 | 3 | 1 | Samuel Lewis Brown | New Zealand | 54.50 | |
| 23 | 3 | 8 | Wang Ziming | China | 54.60 | |
| 24 | 4 | 9 | Daniil Giourtzidis | Greece | 54.87 | |
| 25 | 2 | 8 | Ádám Halás | Slovakia | 54.91 | |
| 26 | 4 | 0 | Mohamed Mahmoud | Qatar | 55.61 | |
| 27 | 1 | 1 | Gleb Kovalenya | Kazakhstan | 55.85 | |
| 28 | 1 | 5 | Terence Ng | Malaysia | 55.91 | |
| 29 | 2 | 9 | Nguyễn Quang Thuấn | Vietnam | 56.67 | |
| 30 | 1 | 7 | Hansel McCaig | Fiji | 57.31 | NR |
| 31 | 3 | 0 | Lam Chi Chong | Macau | 57.99 | |
| 32 | 1 | 2 | Alexandros Grigoriou | Cyprus | 58.45 | |
| 33 | 1 | 3 | Joel Ling | Brunei | 58.47 | |
| 34 | 3 | 9 | Kazuumi Nestor | Palau | 59.75 | |
| 35 | 2 | 0 | Taiyo Akimaru | Northern Mariana Islands | 1:03.14 | |
| | 2 | 2 | Caspar Corbeau | Netherlands | Did not start | Did not start |
| | 1 | 4 | Matthew Abeysinghe | Sri Lanka | Disqualified | Disqualified |

### Semifinals

The semifinals were started on 12 December at 19:02.
| Name | Nationality | Time | Notes |
| Noè Ponti | Switzerland | | |
| Bernhard Reitshammer | Austria | | |
| Caio Pumputis | Brazil | | |
| Michael Andrew | United States | | |
| Carles Coll | Spain | 51.50 | NR |
| Heiko Gigler | Austria | | |
| Berke Saka | Turkey | | |
| Miroslav Knedla | Czech Republic | | |

### Final

The final was held on 13 December at 18:59.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Noè Ponti | Switzerland | 50.33 | CR, NR |
| | 3 | Bernhard Reitshammer | Austria | 51.11 | NR |
| | 2 | Caio Pumputis | Brazil | 51.35 | SA |
| 4 | 1 | Michael Andrew | United States | 51.37 | |
| 5 | 6 | Carles Coll | Spain | 51.52 | |
| 6 | 5 | Heiko Gigler | Austria | 51.67 | |
| 7 | 7 | Berke Saka | Turkey | 51.82 | |
| 8 | 8 | Miroslav Knedla | Czech Republic | 51.90 | NR |