| # | Name | Team | Time | Date | Meet |
|---|---|---|---|---|---|
| 1 | Katie Ledecky |
USA | 3:59.66 | 03/05 | 2020 Pro Swim Series
Des Moines, IA |
| 2 | Jianjiahe Wang |
CHN | 4:04.42 | 10/19 | 2019 7th CISM Military World Games
Wuhan, CHN |
| 3 | Erica Sullivan |
USA | 4:06.36 | 01/18 | 2020 Pro Swim Series
Knoxville, TN |
| 4 | Isabel Gose |
GER | 4:06.38 | 07/25 | 2020 Madgeburg Swim Meet
Madgeburg, GER |
| 5 | Kiah Melverton |
AUS | 4:06.71 | 08/02 | 2019 FINA World Cup
Tokyo, JPN |
| 6 | Leah Smith |
USA | 4:06.81 | 03/05 | 2020 Pro Swim Series
Des Moines, IA |
| 6 | Mireia Belmonte |
ESP | 4:06.81 | 08/02 | 2019 FINA World Cup
Tokyo, JPN |
| 8 | Holly Hibbott |
GBR | 4:07.02 | 12/13 | Swim Cup - Amsterdam
Amsterdam, NED |
| 9 | Erika Fairweather |
NZL | 4:07.23 | 02/14 | 2020 Victorian Championships
Melbourne, AUS |
| 10 | Yuhan Zhang |
CHN | 4:07.29 | 10/19 | 2019 7th CISM Military World Games
Wuhan, CHN |
| 11 | Giulia Salin |
ITA | 4:07.70 | 08/11 | 2020 Sette Colli Trophy
Rome, ITA |
| 12 | Anna Egorova |
RUS | 4:07.78 | 08/11 | 2020 Sette Colli Trophy
Rome, ITA |
| 13 | Maddy Gough |
AUS | 4:08.09 | 08/15 | 2019 FINA World Cup
Singapore, SGP |
| 14 | Martina Rita Caramignoli |
ITA | 4:08.69 | 02/15 | 18th Titano Meeting
Serravalle, ITA |
| 15 | Simona Quadarella |
ITA | 4:08.84 | 08/09 | 2020 Italian Regional Championships
Rome, ITA |
| 16 | Melanie Margalis |
USA | 4:09.00 | 03/05 | 2020 Pro Swim Series
Des Moines, IA |
| 17 | Ajna Kesely |
HUN | 4:09.05 | 01/15 | 2020 FINA Champions Series
Shenzhen, CHN |
| 18 | Kaersten Meitz |
USA | 4:09.32 | 01/18 | 2020 Pro Swim Series
Knoxville, TN |
| 18 | Valeria Salamantina |
RUS | 4:09.32 | 11/01 | 2019 FINA World Cup
Kazan, RUS |
| 20 | Miyu Namba |
JPN | 4:09.39 | 08/02 | 2019 FINA World Cup
Tokyo, JPN |
| 21 | Allison Schmitt |
USA | 4:09.40 | 03/05 | 2020 Pro Swim Series
Des Moines, IA |
| 22 | Valentine Dumont |
BEL | 4:09.41 | 08/11 | 2020 Sette Colli Trophy
Rome, ITA |
| 23 | Beril Bocekler |
TUR | 4:09.60 | 02/09 | FFN Golden Tour
Nice, FRA |
| 24 | Boglarka Kapas |
HUN | 4:09.64 | 01/15 | 2020 FINA Champions Series
Shenzhen, CHN |
| 25 | Marlene Kahler |
AUT | 4:09.73 | 02/28 | 2020 Berlin Swim Open
Berlin, GER |
More Rankings
2024-2025 LCM Men 400 IM
Carson USA
Foster
Foster
03/07
4:09.51
4:09.51
| 2 | ASAKI NISHIKAWA |
JPN | 4:11.60 | 01/24 |
| 3 | TOMOYUKI MATSUSHITA |
JPN | 4:11.63 | 11/30 |
| 4 | RIKU YAMAGUCHI |
JPN | 4:12.81 | 11/30 |
| 5 | Zhang Zhanshuo |
CHN | 4:13.40 | 03/23 |
2024-2025 LCM Men 200 IM
TOMOYUKIJPN
MATSUSHITA
MATSUSHITA
03/22
1:56.35
1:56.35
| 2 | KOSUKE MAKINO |
JPN | 1:56.80 | 03/22 |
| 3 | Carson FOSTER |
USA | 1:57.04 | 03/08 |
| 4 | SO OGATA |
JPN | 1:57.62 | 01/25 |
| 5 | TAKUMI MORI |
JPN | 1:57.71 | 12/01 |
2024-2025 LCM Men 200 Fly
GENKIJPN
TERAKADO
TERAKADO
03/21
1:54.73
1:54.73
| 2 | Sou Ogata |
JPN | 1:55.34 | 03/21 |
| 3 | TAKUMI TERADA |
JPN | 1:55.52 | 03/21 |
| 4 | Tomoru Honda |
JPN | 1:55.66 | 02/16 |
| 5 | Trenton Julian |
USA | 1:56.02 | 03/06 |
