JAPAN National U20
MEN
| event | performance | name | date | venue |
|---|---|---|---|---|
| 60m | 6.59 | Yoshihide Kiryu | 09/02/14 | Osaka(i) |
| 100m | 10.01 | Yoshihide Kiryu | 29/04/13 | Hiroshima |
| 200m | 20.29 | Yusuke Omae | 30/06/01 | Matsumoto |
| 200m sh | 21.23 | Shinji Takahira | 22/02/03 | Yokohama(i) |
| 400m | 45.18 | Yuki Yamaguchi | 29/10/03 | Fukuroi |
| 400m sh | 47.69 | Dai Tamesue | 08/02/97 | Maebashi(i) |
| 800m | 1:46.59 | Tatsunami Clay Allon | 28/06/19 | Fukuoka |
| 800m sh | 1:49.09 | Tomonari Ono | 14/02/93 | Maebashi(i) |
| 1,000m | 2:22.8（Manual） | Kuniaki Watanabe | 23/08/59 | Darmstadt |
| 2:20.50 | Hinata Maeda | 15/10/22 | Hyogo | |
| 1,000m sh | - | |||
| 1,500m | 3:37.18 | Keita Sato | 17/07/21 | Chitose |
| 1,500m sh | 3:48.24 | Hirokazu Tatsumi | 11/02/88 | Osaka(i) |
| 1mile | 4:02.43 | Yasuhiro Tago | 15/06/02 | Amagasaki |
| 1mile sh | 13:22.91 | Keita Sato | 04/05/22 | Nobeoka(i) |
| 3,000m | 7:50.81 | Keita Sato | 21/11/21 | Kyoto |
| 3,000m sh | 8:29.75 | Yoshiaki Harada | 11/02/99 | Osaka(i) |
| 5,000m | 13:22.91 | Keita Sato | 04/05/22 | Nobeoka |
| 5,000m sh | - | |||
| 10,000m | 27:28.50 | Keita Sato | 25/11/23 | Kamiyugi |
| 60mH | 7.61 | Rashiddo Muratake | 01/02/20 | Osaka(i) |
| 110mH （99.1cm/9.14m） |
13.19 | Shunsuke Izumiya | 19/10/18 | Nagoya |
| 300mH （91.4cm/35.0m） |
35.18 | Takeshi Shimura | 16/10/23 | Kagoshima |
| 400mH （91.4cm/35.0m） |
49.09 | Dai Tamesue | 14/10/96 | Hiroshima |
| 2,000mSC | 5:39.27 | Ryuji Miura | 28/04/19 | Hiroshima |
| 3,000mSC | 8:09.92 | Ryuji Miura | 30/07/21 | Tokyo |
| 10000mW | 39:08.23 | Daisuke Matsunaga | 14/12/13 | Tokyo |
| 4×100mR | 39.01 | JAPAN JUNIOR Kazuma Oseto Akiyuki Hashimoto Aska Cambridge Kazuki Kanamori |
13/07/12 | Balcelona |
| 39.01 | JAPAN JUNIOR Ippei Takeda Jun Yamashita Wataru Inuzuka Kenta Oshima |
23/07/16 | Bydgoszcz | |
| 4×400mR | 3:04.11 | JAPAN JUNIOR Walsh Julian Kaisei Yui Takamasa Kitagawa Nobuya Kato |
27/07/14 | Eugene |
| High Jump | 2.29 | Takahiro Kimino | 20/09/92 | Seoul |
| Pole Vault | 5.65 | Masaki Ejima | 06/07/17 | Bhubaneswar |
| Long Jump | 8.12 | Koki Fujihara | 05/08/19 | Okinawa |
| Triple Jump | 16.38 | Manato Miyao | 05/06/23 | Yecheon |
| Shot Put(6.00kg) | 19.28 | Jason Atuobeng | 03/11/20 | Nara |
| Discus Throw(1.75kg) | 58.80 | Yume Ando | 05/06/16 | Hochiminh |
| Hammer Throw(6.00kg) | 71.46 | Yuudai Kimura | 25/09/15 | Fukuoka |
| Javelin Throw | 78.57 | Genki Dean | 03/11/10 | Kitakyushu |
| Heptathlon sh | 4922 （7.36-6.66-10.51-1.86-8.81-3.90-2:41.57） |
Akira Kano | 17/02/03-18 | Tianjin(i) |
| Decathlon | 7790 （10.91-7.30-13.92-1.97-50.18-13.64-40.38-4.10-56.98-4:39.06) |
Yuma Maruyama | 10/06/17-11 | Nagano |
| 10kmW | 39:29 | Tomohiro Noda | 15/03/15 | Nomi |
