| Event | Time | Athlete / Team | Federation | Place | Date |
| 50m Freestyle | 20,94 | BOUSQUET Frederick |  FRA | Montpellier (FRA) | 26 April 2009 |
| 100m Freestyle | 46.86* | Popovici David |  ROU | ROMA (ITA) | 13 August 2022 |
| 200m Freestyle | 1'42,00 | BIEDERMANN Paul |  GER | Rome (ITA) | 28 July 2009 |
| 400m Freestyle | 3'40,07 | BIEDERMANN Paul | GER | Rome (ITA) | 26 July 2009 |
| 800m Freestyle | 7'39,27 | PALTRINIERI Gregorio |  ITA | Gwangju (KOR) | 24 July 2019 |
| 1500m Freestyle | 14'32,80 | PALTRINIERI Gregorio | ITA | Budapest (HUN) | 25 June 2022 |
| 50m Backstroke | 23,80* | KOLESNIKOV Kliment |  RUS | Budapest (HUN) | 18 May 2021 |
| 100m Backstroke | 51.60 | CECCON Thomas | ITA | Budapest (HUN) | 20 June 2022 |
| 200m Backstroke | 1'53,23* | RYLOV Evgeny | RUS | Kazan (RUS) | 08 April 2021 |
| 50m Breaststroke | 25,95 | PEATY Adam |  GBR | Budapest (HUN) | 25 July 2017 |
| 100m Breaststroke | 56,88 | PEATY Adam | GBR | Gwangju (KOR) | 21 July 2019 |
| 200m Breaststroke | 2'06,12 | CHUPKOV Anton | RUS | Gwangju (KOR) | 26 July 2019 |
| 50m Butterfly | 22,27 | GOVOROV Andriy |  UKR | Rome (ITA) | 01 July 2018 |
| 100m Butterfly | 49.68 | MILAK Kristof |  HUN | Tokyo (JPN) | 31 July 2021 |
| 200m Butterfly | 1'50,73 | MILAK Kristof | HUN | Gwangju (KOR) | 24 July 2019 |
| 200m Individual Medley | 1'55,18 | CSEH Laszlo | HUN | Rome (ITA) | 29 July 2009 |
| 400m Individual Medley | 4'04,28 | MARCHAND Leon | FRA | Budapest (HUN) | 25 June 2022 |
| 4x100m Freestyle | 3'08,32 | FRANCE | FRA | Beijing (CHN) | 11 August 2008 |
| 4x200m Freestyle | 6,58.58 | GREAT BRITAIN | GBR | Tokyo (JPN) | 28 July 2021 |
| 4x100m Medley | 3'27.51 | ITALY | ITA | Budapest (HUN) | 25 June 2022 |
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