| # | Name | Team | Time | Date | Meet |
|---|---|---|---|---|---|
| 1 | KATSUHIRO MATSUMOTO |
JPN | 51.30 | 12/01 | 2024 Japan Open
Tokyo, JPN |
| 2 | GENKI TERAKADO |
JPN | 51.79 | 01/26 | 2025 Kosuke Kitajima Cup
Tokyo, JPN |
| 3 | Fang Xu |
CHN | 51.95 | 12/16 | 2024 Queensland Championships
Brisbane, AUS |
| 4 | Luca ARMBRUSTER |
GER | 52.05 | 02/01 | 25th CMCM Euro Meet 2025
Luxembourg, LUX |
| 5 | Naoki Mizunuma |
JPN | 52.17 | 01/26 | 2025 Kosuke Kitajima Cup
Tokyo, JPN |
| 6 | Roman SHEVLYAKOV |
RUS | 52.26 | 02/19 | 2025 Russian Swimming Cup
Kaliningrad, RUS |
| 7 | YUYA SAKAMOTO |
JPN | 52.38 | 12/01 | 2024 Japan Open
Tokyo, JPN |
| 8 | KOUTA AKAHANE |
JPN | 52.48 | 12/01 | 2024 Japan Open
Tokyo, JPN |
| 9 | Edward Mildred |
GBR | 52.53 | 02/14 | BUCS Long Course Championships 2025
Sheffield, GBR |
| 10 | YOSHITOKU NARUSHIMA |
JPN | 52.57 | 12/01 | 2024 Japan Open
Tokyo, JPN |
| 11 | Mikhail ANTIPOV |
RUS | 52.68 | 02/19 | 2025 Russian Swimming Cup
Kaliningrad, RUS |
| 12 | Michele BUSA |
ITA | 52.72 | 02/01 | 25th CMCM Euro Meet 2025
Luxembourg, LUX |
| 13 | TOMONOBU GOMI |
JPN | 52.77 | 12/01 | 2024 Japan Open
Tokyo, JPN |
| 14 | YUYA TANAKA |
JPN | 52.79 | 12/01 | 2024 Japan Open
Tokyo, JPN |
| 15 | Joshua Gammon |
GBR | 52.80 | 11/29 | Rotterdam Qualification Meet 2024
Rotterdam, NED |
| 16 | Tomoru HONDA |
JPN | 52.91 | 02/15 | 2025 Konami Open
Tokyo, JPN |
| 17 | HIROTO NAITO |
JPN | 52.92 | 12/01 | 2024 Japan Open
Tokyo, JPN |
| 18 | Kota Akabane |
JPN | 52.96 | 02/15 | 2025 Konami Open
Tokyo, JPN |
| 19 | Yohann NDOYE-BROUARD |
FRA | 52.97 | 02/01 | 25th CMCM Euro Meet 2025
Luxembourg, LUX |
| 20 | Mikhail VEKOVISHEV |
RUS | 53.05 | 02/19 | 2025 Russian Swimming Cup
Kaliningrad, RUS |
| 21 | Edoardo VALSECCHI |
ITA | 53.09 | 02/23 | 22° Meeting del Titano
San Marino, RSM |
| 22 | Lorenzo GARGANI |
ITA | 53.10 | 02/23 | 22° Meeting del Titano
San Marino, RSM |
| 23 | Pavel SAMUSENKO |
RUS | 53.19 | 02/19 | 2025 Russian Swimming Cup
Kaliningrad, RUS |
| 24 | Matt TEMPLE |
AUS | 53.20 | 01/18 | 2025 SA State Open & MC LC Championships
SA Aquatic & Leisure Centre, AUS |
| 24 | Nao Shiota |
JPN | 53.20 | 01/18 | 2025 SA State Open & MC LC Championships
SA Aquatic & Leisure Centre, AUS |
More Rankings
2024-2025 LCM Men 400 IM
ASAKIJPN
NISHIKAWA
NISHIKAWA
01/24
4:11.60
4:11.60
| 2 | TOMOYUKI MATSUSHITA |
JPN | 4:11.63 | 11/30 |
| 3 | RIKU YAMAGUCHI |
JPN | 4:12.81 | 11/30 |
| 4 | SO OGATA |
JPN | 4:15.15 | 11/30 |
| 5 | KOSUKE MAKINO |
JPN | 4:15.62 | 11/30 |
2024-2025 LCM Men 200 IM
SOJPN
OGATA
OGATA
01/25
1:57.62
1:57.62
| 2 | KOSUKE MAKINO |
JPN | 1:57.67 | 01/25 |
| 3 | TAKUMI MORI |
JPN | 1:57.71 | 12/01 |
| 4 | TOMOYUKI MATSUSHITA |
JPN | 1:58.55 | 12/01 |
| 5 | YUTA WATANABE |
JPN | 1:59.23 | 01/25 |
2024-2025 LCM Men 200 Fly
GENKIJPN
TERAKADO
TERAKADO
01/25
1:54.73
1:54.73
| 2 | Tomoru Honda |
JPN | 1:55.66 | 02/16 |
| 3 | EI KAMIKAWABATA |
JPN | 1:56.45 | 11/29 |
| 4 | TAKUMI TERADA |
JPN | 1:56.56 | 02/16 |
| 5 | HIROO KAWANO |
JPN | 1:56.65 | 01/25 |
