| 1 |
Thomas
CECCON
|
ITA |
51.80 |
08/03 |
2025 World Aquatics Championships
Singapore, SGP |
| 2 |
Pieter
Coetze
|
RSA |
51.85 |
07/29 |
2025 World Aquatics Championships
Singapore, SGP |
| 3 |
Yohann
NDOYE-BROUARD
|
FRA |
51.92 |
07/29 |
World Aquatics Championships
Singapore, SGP |
| 4 |
Kliment
Kolesnikov
|
RUS |
52.04 |
04/14 |
2025 Russian Swimming Championship
Kazan, RUS |
| 5 |
Oliver
Morgan
|
GBR |
52.12 |
04/17 |
AGB Swimming Championships 2025
London, GBR |
| 6 |
Miron
Lifintsev
|
RUS |
52.15 |
04/14 |
2025 Russian Swimming Championship
Kazan, RUS |
| 7 |
Hubert
KOS
|
HUN |
52.20 |
07/29 |
2025 World Aquatics Championships
Singapore, SGP |
| 8 |
Pavel
SAMUSENKO
|
RUS |
52.40 |
04/14 |
2025 Russian Swimming Championship
Kazan, RUS |
| 9 |
Apostolos
CHRISTOU
|
GRE |
52.44 |
07/28 |
2025 World Aquatics Championships
Singapore, SGP |
| 10 |
Xu
Jiayu
|
CHN |
52.49 |
05/19 |
2025 Chinese National Championship
Shenzhen, CHN |
| 11 |
William
MODGLIN
|
USA |
52.54 |
07/19 |
2025 World University Games
Berlin, GER |
| 12 |
Ksawery
Masiuk
|
POL |
52.55 |
04/29 |
2025 Polish Championship
Lublin, POL |
| 13 |
Christian
BACICO
|
ITA |
52.72 |
07/28 |
World Aquatics Championships
Singapore, SGP |
| 14 |
Daniel
DIEHL
|
USA |
52.94 |
07/19 |
2025 World University Games
Berlin, GER |
| 15 |
Tommy
JANTON
|
USA |
53.00 |
06/06 |
2025 Toyota National Championships
Indianapolis, USA |
| 16 |
Mewen
TOMAC
|
FRA |
53.07 |
07/28 |
World Aquatics Championships
Singapore, SGP |
| 17 |
Miroslav
KLENDA
|
CZE |
53.15 |
07/28 |
2025 World Aquatics Championships
Singapore, SGP |
| 18 |
Jack
AIKINS
|
USA |
53.19 |
06/06 |
2025 Toyota National Championships
Indianapolis, USA |
| 19 |
Jonathon
Marshall
|
GBR |
53.21 |
04/17 |
AGB Swimming Championships 2025
London, GBR |
| 20 |
Ulises Juan
SARAVIA PELAEZ
|
ESP |
53.26 |
06/11 |
CXII Cto. de España Absoluto
Palma de Mallorca, ESP |
| 21 |
Evangelos
Makrygiannis
|
GRE |
53.29 |
07/28 |
World Aquatics Championships
Singapore, SGP |
| 22 |
Jack
SKERRY
|
GBR |
53.35 |
06/28 |
2025 U23 European Championship
Samorin, SVK |
| 23 |
Lee
Ju-ho
|
KOR |
53.49 |
03/26 |
KB Financial Korea Swimming Championship
Kimcheon, KOR |
| 24 |
Kai
van Westering
|
NED |
53.51 |
06/12 |
2025 Dutch Long Course Championships
Amersfoort, NED |
| 25 |
Matthew
Ward
|
GBR |
53.52 |
04/17 |
AGB Swimming Championships 2025
London, GBR |
