| 1 |
Summer
McIntosh
|
CAN |
WR 4:23.65 |
06/11 |
2025 Bell Canadian Swimming Trials
Victoria, CAN |
| 2 |
Jenna
Forrester
|
AUS |
4:33.26 |
08/03 |
2025 World Aquatics Championships
Singapore, SGP |
| 2 |
Mio
NARITA
|
JPN |
4:33.26 |
08/03 |
2025 World Aquatics Championships
Singapore, SGP |
| 4 |
Yu
Zidi
|
CHN |
4:33.76 |
08/03 |
2025 World Aquatics Championships
Singapore, SGP |
| 5 |
Emma
WEYANT
|
USA |
4:33.95 |
05/02 |
2025 TYR Pro Swim Series
Fort Lauderdale, USA |
| 6 |
Agostina
HEIN
|
ARG |
4:34.34 |
08/19 |
2025 World Aquatics Junior Swimming Championships
Otopeni, ROU |
| 7 |
Ellen
Walshe
|
IRL |
4:35.32 |
05/02 |
2025 TYR Pro Swim Series
Fort Lauderdale, USA |
| 8 |
Mary-sophie
HARVEY
|
CAN |
4:35.56 |
06/12 |
2025 Bell Canadian Swimming Trials
Victoria, CAN |
| 9 |
Leah
HAYES
|
USA |
4:36.04 |
07/18 |
2025 World University Games
Berlin, GER |
| 10 |
Ella
Ramsay
|
AUS |
4:36.12 |
06/14 |
2025 Australian Swimming Trials
Oaklands Park, AUS |
| 11 |
Katie
GRIMES
|
USA |
4:36.52 |
08/03 |
2025 World Aquatics Championships
Singapore, SGP |
| 12 |
WAKA
KOBORI
|
JPN |
4:36.62 |
08/03 |
2025 World Aquatics Championships
Singapore, SGP |
| 13 |
Yu
Yiting
|
CHN |
4:36.63 |
03/20 |
2025 Chinese National Spring Swimming Championships
Qingdao, CHN |
| 14 |
Abbie
Wood
|
GBR |
4:36.66 |
04/16 |
AGB Swimming Championships 2025
London, GBR |
| 15 |
Freya
Colbert
|
GBR |
4:36.83 |
04/16 |
AGB Swimming Championships 2025
London, GBR |
| 16 |
Amalie
SMITH
|
GBR |
4:37.02 |
07/01 |
2025 European Junior Swimming Championship
Samorin, SVK |
| 17 |
Tara
Kinder
|
AUS |
4:37.14 |
04/22 |
2025 Australian Open Championships
Brisbane, AUS |
| 18 |
Chang
Mohan
|
CHN |
4:37.33 |
05/24 |
2025 Chinese National Championship
Shenzhen, CHN |
| 19 |
Katie
Shanahan
|
GBR |
4:37.99 |
05/25 |
AP Race London International 2025
London, GBR |
| 20 |
Cyrielle
DUHAMEL
|
FRA |
4:38.38 |
06/19 |
Championnats de France Elite - 50 m
Montpellier, FRA |
| 21 |
Li
Bingjie
|
CHN |
4:38.66 |
05/24 |
2025 Chinese National Championship
Shenzhen, CHN |
| 22 |
Noelle
Benkler
|
GBR |
4:39.01 |
07/01 |
2025 European Junior Swimming Championship
Samorin, SVK |
| 23 |
Ella
JANSEN
|
CAN |
4:39.30 |
06/12 |
2025 Bell Canadian Swimming Trials
Victoria, CAN |
| 24 |
Audrey
DERIVAUX
|
USA |
4:39.86 |
08/19 |
2025 World Aquatics Junior Swimming Championships
Otopeni, ROU |
| 25 |
Teagan
O'DELL
|
USA |
4:39.96 |
07/18 |
2025 World University Games
Berlin, GER |
