| 1 |
Marrit
STEENBERGEN
|
NED |
WR 51.68 |
06/27 |
2026 Settecollii Trophy
Rome, ITA |
| 2 |
Anna
MOESCH
|
USA |
51.94 |
05/25 |
AP Race London International 2026
London, GBR |
| 3 |
Mollie
O'CALLAGHAN
|
AUS |
52.33 |
06/12 |
2026 Australian Swimming Trials
Sydney, AUS |
| 4 |
Siobhan
Haughey
|
HKG |
52.36 |
05/27 |
2026 Mare Nostrum - Monaco
Canet-en-Roussillon |
| 5 |
Meg
HARRIS
|
AUS |
52.56 |
12/15 |
2025 Queensland Championship
Brisbane, AUS |
| 6 |
Sara
CURTIS
|
ITA |
52.69 |
06/27 |
2026 Settecollii Trophy
Rome, ITA |
| 7 |
Gretchen
WALSH
|
USA |
52.91 |
06/27 |
2026 Settecollii Trophy
Rome, ITA |
| 8 |
Shayna
JACK
|
AUS |
52.96 |
06/12 |
2026 Australian Swimming Trials
Sydney, AUS |
| 9 |
Kate
DOUGLASS
|
USA |
53.01 |
04/30 |
2026 Speedo Fort Lauderdale Open
Fort Lauderdale, USA |
| 10 |
Torri
HUSKE
|
USA |
53.05 |
06/20 |
2026 TYR Pro Swim Series
Indianapolis, USA |
| 11 |
Rylee
ERISMAN
|
USA |
53.24 |
06/20 |
2026 TYR Pro Swim Series
Indianapolis, USA |
| 12 |
Alexandria
PERKINS
|
AUS |
53.33 |
06/12 |
2026 Australian Swimming Trials
Sydney, AUS |
| 12 |
Simone
MANUEL
|
USA |
53.33 |
12/06 |
2025 Toyota U.S. Open Championships
Austin, USA |
| 14 |
Yu
Yiting
|
CHN |
53.43 |
06/18 |
2026 Chinese National Swimming Championships
Hangzhou, CHN |
| 15 |
Daria
Klepikova
|
RUS |
53.45 |
06/10 |
2026 Russian Swimming Championship
Kazan, RUS |
| 16 |
Olivia
Wunsch
|
AUS |
53.47 |
06/12 |
2026 Australian Swimming Trials
Sydney, AUS |
| 17 |
Cheng
Yujie
|
CHN |
53.48 |
06/18 |
2026 Chinese National Swimming Championships
Hangzhou, CHN |
| 18 |
Liberty
CLARK
|
USA |
53.51 |
06/20 |
2026 TYR Pro Swim Series
Indianapolis, USA |
| 19 |
Yang
Junxuan
|
CHN |
53.55 |
11/15 |
2025 Chinese National Games
Shenzhen, CHN |
| 20 |
Wu
Qingfeng
|
CHN |
53.61 |
06/18 |
2026 Chinese National Swimming Championships
Hangzhou, CHN |
| 21 |
Milla
JANSEN
|
AUS |
53.64 |
06/12 |
2026 Australian Swimming Trials
Sydney, AUS |
| 21 |
Zhang
Yufei
|
CHN |
53.64 |
06/18 |
2026 Chinese National Swimming Championships
Hangzhou, CHN |
| 23 |
Emma Virginia
MENICUCCI
|
ITA |
53.75 |
04/16 |
2026 Italian Swimming Championship
Riccione, ITA |
| 23 |
Eva
OKARO
|
GBR |
53.75 |
04/14 |
Aquatics GB Championships 2026
London, GBR |
| 25 |
Hannah
Casey
|
AUS |
53.79 |
06/12 |
2026 Australian Swimming Trials
Sydney, AUS |
