| # | 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
2023-2024 LCM Men 400 IM
LeonFRA
MARCHAND
MARCHAND
07/28
4:02.95
4:02.95
| 2 | Carson FOSTER |
USA | 4:07.64 | 06/17 |
| 3 | TOMOYUKI MATSUSHITA |
JPN | 4:08.62 | 07/28 |
| 4 | Lewis CLAREBURT |
NZL | 4:08.71 | 05/11 |
| 5 | Max LITCHFIELD |
GBR | 4:08.85 | 07/28 |
2023-2024 LCM Men 200 IM
LeonFRA
MARCHAND
MARCHAND
08/02
1:54.06
1:54.06
| 2 | Shun Wang |
CHN | 1:54.62 | 09/24 |
| 3 | Duncan SCOTT |
GBR | 1:55.31 | 08/02 |
| 4 | Carson FOSTER |
USA | 1:55.65 | 06/21 |
| 5 | Shaine CASAS |
USA | 1:55.83 | 06/21 |
2023-2024 LCM Men 200 Fly
LeonFRA
MARCHAND
MARCHAND
07/31
1:51.21
1:51.21
| 2 | Kristof MILAK |
HUN | 1:51.75 | 07/31 |
| 3 | Ilya KHARUN |
CAN | 1:52.80 | 07/31 |
| 4 | Tomoru HONDA |
JPN | 1:53.15 | 09/29 |
| 5 | Krzysztof CHMIELEWSKI |
POL | 1:53.90 | 07/31 |