| 1 |
Katie
LEDECKY
|
USA |
3:56.81 |
05/01 |
2025 TYR Pro Swim Series
Fort Lauderdale, USA |
| 2 |
Summer
McIntosh
|
CAN |
3:58.28 |
05/01 |
2025 TYR Pro Swim Series
Fort Lauderdale, USA |
| 3 |
Li
BINGJIE
|
CHN |
3:59.99 |
05/17 |
2025 Chinese National Swimming Championship
Shenzhen, CHN |
| 4 |
Claire
Weinstein
|
USA |
4:01.26 |
05/01 |
2025 TYR Pro Swim Series
Fort Lauderdale, USA |
| 5 |
Lani
PALLISTER
|
AUS |
4:02.34 |
04/23 |
2025 Australian Open Championships
Brisbane, AUS |
| 6 |
Yang
Peiqi
|
CHN |
4:02.53 |
05/17 |
2025 Chinese National Swimming Championship
Shenzhen, CHN |
| 7 |
Liu
Yaxin
|
CHN |
4:02.57 |
05/17 |
2025 Chinese National Swimming Championship
Shenzhen, CHN |
| 8 |
Isabel
GOSE
|
GER |
4:03.65 |
05/01 |
2025 German Swimming Championship
Berlin, GER |
| 9 |
Erika
Fairweather
|
NZL |
4:04.55 |
04/23 |
2025 Australian Open Championships
Brisbane, AUS |
| 10 |
Mary-Sophie
HARVEY
|
CAN |
4:05.42 |
05/10 |
2025 Giant Open
Saint Denis, FRA |
| 11 |
Ma
Yonghui
|
CHN |
4:05.75 |
05/17 |
2025 Chinese National Swimming Championship
Shenzhen, CHN |
| 12 |
Maya
Werner
|
GER |
4:06.04 |
05/01 |
2025 German Swimming Championship
Berlin, GER |
| 13 |
Jamie
Perkins
|
AUS |
4:06.29 |
04/23 |
2025 Australian Open Championships
Brisbane, AUS |
| 14 |
Maria Fernanda
COSTA
|
BRA |
4:06.30 |
04/21 |
2025 Brazilian Swimming Championships
Rio de Janeiro, BRA |
| 15 |
Sofia
Dyakova
|
RUS |
4:06.50 |
04/16 |
2025 Russian National Championship
Kazan, RUS |
| 16 |
Gabrielle
RONCATTO
|
BRA |
4:06.53 |
04/21 |
2025 Brazilian Swimming Championships
Rio de Janeiro, BRA |
| 17 |
Jillian
Cox
|
USA |
4:07.34 |
05/15 |
Longhorn Aquatics Elite Invite
Austin, USA |
| 18 |
Li
Jiapeng
|
CHN |
4:07.50 |
05/17 |
2025 Chinese National Swimming Championship
Shenzhen, CHN |
| 19 |
Ichika
Kajimoto
|
JPN |
4:07.58 |
03/20 |
2025 Japan Swim
Tokyo, JPN |
| 20 |
Simona
QUADARELLA
|
ITA |
4:08.50 |
04/17 |
2025 Italian National Championship
Riccione, ITA |
| 21 |
MIYU
NAMBA
|
JPN |
4:08.55 |
03/20 |
2025 Japan Swim
Tokyo, JPN |
| 22 |
Ajna
KÉSELY
|
HUN |
4:08.82 |
04/10 |
2025 Hungarian Swimming Championship
Kaposvar, HUN |
| 23 |
Ai
Yanhan
|
CHN |
4:08.97 |
05/17 |
2025 Chinese National Swimming Championship
Shenzhen, CHN |
| 24 |
Moesha
JOHNSON
|
AUS |
4:09.17 |
04/14 |
2025 Swim Open Stockholm
Stockholm, SWE |
| 25 |
RUKA
TAKEZAWA
|
JPN |
4:09.27 |
01/26 |
2025 Kosuke Kitajima Cup
Tokyo, JPN |
