JAPAN National U18
MEN
| event | performance | name | date | venue |
|---|---|---|---|---|
| 100m | 10.00 | Sorato Shimizu | 26/07/25 | Hiroshima |
| 200m | 20.34 | Abdul Hakim SaniBrown | 19/07/15 | Cali |
| 400m | 45.89 | Yuzo Kanemaru | 27/10/04 | Kumagaya |
| 800m | 1:46.59 | Tatsunami Clay Allon | 28/06/19 | Fukuoka |
| 1,000m | ||||
| 1,500m | 3:37.18 | Keita Sato | 17/07/21 | Chitose |
| 1mile | ||||
| 3,000m | 7:50.81 | Keita Sato | 21/11/21 | Kyoto |
| 5,000m | 13:31.19 | Keita Sato | 03/10/21 | Yokohama |
| 10,000m | 28:23.18 | Kenta Murayama | 04/12/10 | Yokohama |
| 110mH （91.4cm/9.14m） |
13.30（99.1cm） | Koki Takajo | 20/09/25 | Miyazaki |
| 300mH （83.8cm/35m） |
35.44（91.4cm） | Taiju Goto | 17/10/25 | Mie |
| 400mH （83.8cm/35m） |
49.84 （91.4cm） |
Taiju Goto | 27/07/25 | Hiroshima |
| 2,000mSC | 5:39.27 | Ryuji Miura | 28/04/19 | Hiroshima |
| 3,000mSC | 8:39.37 | Ryuji Miura | 27/06/19 | Fukuoka |
| 10000mW | 40:54.53 | Daisuke Matsunaga | 09/12/12 | Sasebo |
| 4×100mR | 39.93 | Ryo Wada Kentaro Hiraga Imoto Yoshinobu Daisuke Miyamoto |
17/06/16 | kobe |
| High Jump | 2.23 | Naoto Tobe | 05/10/09 | Niigata |
| Pole Vault | 5.46 | Masaki Ejima | 07/10/16 | Kitakami |
| Long Jump | 8.12 | Koki Fujihara | 05/08/19 | Okinawa |
| Triple Jump | 15.84 | Masashi Watanabe | 28/10/97 | Osaka |
| Shot Put（5.00kg） | 19.00 （5.000kg） |
Hayate Inafuku | 07/05/17 | Tokyo |
| Discus Throw（1.500kg） | 59.48 | Yume Ando | 21/05/14 | Bangkok |
| Hammer Throw（5.00kg） | 74.72 | Atuobeng Andrew | 03/11/24 | Kitakyushu |
| Javelin Throw（700g） | 74.26 （800g） |
Koji Shimada | 28/10/87 | Okinawa |
| Octathlon | 5982 （11.39-6.30-10.89-49.95-14.39-1.96-59.76-2.49.35） |
Suguru Shiozaki | 10/07/13-11 | Donetsk |
