| 1 |
Katie
LEDECKY
|
USA |
4:01.04 |
02/15 |
Southern Zone South Sectional Championships
Plantation, USA |
| 2 |
Isabel
GOSE
|
GER |
4:04.95 |
04/14 |
2025 Swim Open Stockholm
Stockholm, SWE |
| 3 |
Yang
Peiqi
|
CHN |
4:05.17 |
03/22 |
2025 Chinese Spring National Championship
Qingdao, CHN |
| 4 |
Sofia
Dyakova
|
RUS |
4:06.50 |
04/16 |
2025 Russian National Championship
Kazan, RUS |
| 5 |
Ichika
Kajimoto
|
JPN |
4:07.58 |
03/20 |
2025 Japan Swim
Tokyo, JPN |
| 6 |
Li
Jiapeng
|
CHN |
4:07.75 |
03/22 |
2025 Chinese Spring National Championship
Qingdao, CHN |
| 7 |
Simona
QUADARELLA
|
ITA |
4:08.50 |
04/17 |
2025 Italian National Championship
Riccione, ITA |
| 8 |
MIYU
NAMBA
|
JPN |
4:08.55 |
03/20 |
2025 Japan Swim
Tokyo, JPN |
| 9 |
Mary-Sophie
HARVEY
|
CAN |
4:08.67 |
03/06 |
2025 TYR Pro Swim Series
Westmont, USA |
| 10 |
Ajna
KÉSELY
|
HUN |
4:08.82 |
04/10 |
2025 Hungarian Swimming Championship
Kaposvar, HUN |
| 11 |
Gabrielle
RONCATTO
|
BRA |
4:09.01 |
03/06 |
2025 TYR Pro Swim Series
Westmont, USA |
| 12 |
Moesha
JOHNSON
|
AUS |
4:09.17 |
04/14 |
2025 Swim Open Stockholm
Stockholm, SWE |
| 13 |
RUKA
TAKEZAWA
|
JPN |
4:09.27 |
01/26 |
2025 Kosuke Kitajima Cup
Tokyo, JPN |
| 14 |
Ksenia
MISHARINA
|
RUS |
4:09.58 |
04/16 |
2025 Russian National Championship
Kazan, RUS |
| 15 |
Noemi
CESARANO
|
ITA |
4:10.81 |
04/17 |
2025 Italian National Championship
Riccione, ITA |
| 16 |
KINUKO
MOCHIZUKI
|
JPN |
4:10.98 |
03/20 |
2025 Japan Swim
Tokyo, JPN |
| 17 |
Yan
Jiayi
|
CHN |
4:11.01 |
03/22 |
2025 Chinese Spring National Championship
Qingdao, CHN |
| 18 |
WAKA
KOBORI
|
JPN |
4:11.20 |
02/16 |
2025 Konami Open
Tokyo, JPN |
| 19 |
Duneé
Coetzee
|
RSA |
4:11.29 |
04/13 |
SA National Championship
Gqeberha, RSA |
| 20 |
Maya
Werner
|
GER |
4:11.31 |
12/10 |
53rd CISM World Military Swimming Championship
Warendorf, GER |
| 21 |
Bettina
FÁBIÁN
|
HUN |
4:11.50 |
04/10 |
2025 Hungarian Swimming Championship
Kaposvar, HUN |
| 22 |
Bianca
NANNUCCI
|
ITA |
4:11.55 |
03/22 |
2025 City of Livorno Meet
Livorno, ITA |
| 23 |
Eve
THOMAS
|
NZL |
4:11.64 |
04/04 |
2025 TYR Pro Swim Series
Sacramento, USA |
| 24 |
Yu
Yiting
|
CHN |
4:11.67 |
03/22 |
2025 Chinese Spring National Championship
Qingdao, CHN |
| 24 |
Maria Fernanda
COSTA
|
BRA |
4:11.67 |
03/06 |
2025 TYR Pro Swim Series
Westmont, USA |
