| 1 |
Kliment
Kolesnikov
|
RUS |
52.04 |
04/14 |
2025 Russian Swimming Championship
Kazan, RUS |
| 2 |
Oliver
Morgan
|
GBR |
52.12 |
04/17 |
AGB Swimming Championships 2025
London, GBR |
| 3 |
Miron
Lifintsev
|
RUS |
52.15 |
04/14 |
2025 Russian Swimming Championship
Kazan, RUS |
| 4 |
Hubert
KOS
|
HUN |
52.24 |
04/10 |
2025 Hungarian Swimming Championship
Kaposvar, HUN |
| 5 |
Pavel
SAMUSENKO
|
RUS |
52.40 |
04/14 |
2025 Russian Swimming Championship
Kazan, RUS |
| 6 |
Pieter
Coetzeé
|
RSA |
52.71 |
04/09 |
SA National Championship
Gqeberha, RSA |
| 7 |
Thomas
CECCON
|
ITA |
52.84 |
03/15 |
2025 Speedo National Preparation Meet
Brisbane, AUS |
| 8 |
Ksawery
Masiuk
|
POL |
52.90 |
03/15 |
PGE Grand Prix Puchar Polski
Oświęcim, POL |
| 9 |
Jonathon
Marshall
|
GBR |
53.21 |
04/17 |
AGB Swimming Championships 2025
London, GBR |
| 10 |
Lee
Ju-ho
|
KOR |
53.49 |
03/26 |
KB Financial Korea Swimming Championship
Kimcheon, KOR |
| 11 |
Matthew
Ward
|
GBR |
53.52 |
04/17 |
AGB Swimming Championships 2025
London, GBR |
| 12 |
Shaine
Casas
|
USA |
53.54 |
03/08 |
2025 TYR Pro Swim Series
Westmont, USA |
| 13 |
Christian
BACICO
|
ITA |
53.61 |
04/14 |
2025 Italian National Championship
Riccione, ITA |
| 14 |
Cameron
Brooker
|
GBR |
53.63 |
04/17 |
AGB Swimming Championships 2025
London, GBR |
| 15 |
Georgy
YAKOVLEV
|
RUS |
53.65 |
04/14 |
2025 Russian Swimming Championship
Kazan, RUS |
| 16 |
Dmitry
SAVENKO
|
RUS |
53.70 |
04/14 |
2025 Russian Swimming Championship
Kazan, RUS |
| 16 |
Hugo
GONZALEZ DE OLIVEIRA
|
ESP |
53.70 |
03/08 |
XXV Cto. de España "OPEN" Primavera
Sabadell, ESP |
| 18 |
Jack
Skerry
|
GBR |
53.73 |
04/17 |
AGB Swimming Championships 2025
London, GBR |
| 19 |
Luke
Greenbank
|
GBR |
53.76 |
04/17 |
AGB Swimming Championships 2025
London, GBR |
| 20 |
Yohann
NDOYE-BROUARD
|
FRA |
53.81 |
01/31 |
25th CMCM Euro Meet 2025
Luxembourg, LUX |
| 21 |
Tommy
Janton
|
USA |
53.82 |
03/08 |
2025 TYR Pro Swim Series
Westmont, USA |
| 22 |
John
SHORTT
|
IRL |
53.90 |
04/13 |
2025 Irish Open
Dublin, IRL |
| 23 |
Ádám
JÁSZÓ
|
HUN |
53.92 |
04/10 |
2025 Hungarian Swimming Championship
Kaposvar, HUN |
| 24 |
Roman
MITYUKOV
|
SUI |
53.96 |
04/06 |
2025 Swiss Championship
Sursee, SUI |
| 25 |
Riku
Matsuyama
|
JPN |
53.99 |
03/20 |
2025 Japan Swim
Tokyo, JPN |
