# 2021 Japan Championships in Athletics

The 105th Japan Championships in Athletics (第105回日本陸上競技選手権大会, Dai 105 kai Nihon Rikujō Kyōgi Sensyuken Taikai) was held at Nagai Stadium in Osaka. Organised by JAAF, the four-day competition took place from 24-27 June and served as the national championships in track and field for the Japan. The competition intended also to serve as the qualifying trial for Japan at the 2020 Summer Olympics.

## Results
### Men

| Event | Gold | Gold | Silver | Silver | Bronze | Bronze |
| 100 metres | Shuhei Tada Sumitomo Electric | 10.15 s | Bruno Dede [de] Tokai University | 10.19 s | Ryota Yamagata Seiko | 10.27 s |
| 200 metres | Yuki Koike Sumitomo Electric | 20.46 s | Bruno Dede Tokai University | 20.63 s | Ryota Suzuki [de] Josai University | 20.73 s |
| 400 metres | Kaito Kawabata Mie Kyoin AC | 45.75 s | Kentaro Sato Fujitsu | 46.06 s | Aoto Suzuki Toyo University | 46.48 s |
| 800 metres | Kazuyoshi Tamogami Ami AC | 1:46.68 min | Mikuto Kaneko Chuo University | 1:46.86 min | Sho Kawamoto Suzuki | 1:46.89 min |
| 1500 metres | Kazuki Kawamura Toenec | 3:39.18 min | Keisuke Morita Komori | 3:39.59 min | Shoma Funatsu Kyudenko | 3:39.99 min |
| 5000 metres | Hyuga Endo Sumitomo Electric | 13:28.67 min | Hiroki Matsueda Fujitsu | 13:30.21 min | Yuta Bando Fujitsu | 13:31.46 min |
| 10,000 metres | Tatsuhiko Ito Honda | 27:33.38 min | Ren Tazawa Komazawa University | 27:39.21 min | Mebuki Suzuki Komazawa University | 27:41.68 min |
| 110 m hurdles | Shunsuke Izumiya Juntendo University | 13.06 s NR | Taio Kanai Mizuno Corporation | 13.22 s | Shunya Takayama Zenrin | 13.37 s |
| 400 m hurdles | Kazuki Kurokawa Hosei University | 48.69 s | Takatoshi Abe Yamada Holdings | 48.87 s | Takayuki Kishimoto Fujitsu | 49.29 s |
| 3000 m s'chase | Ryuji Miura Juntendo University | 8:15.99 min NR | Kosei Yamaguchi Aisan Industry | 8:19.96 min | Ryoma Aoki Honda | 8:20.70 min |
| 50 km walk | Satoshi Maruo Aichi Steel | 3:38:42 h | Hayato Katsuki Physical Training School JSDF | 3:42:34 h | Kai Kobayashi Niigata Albirex RC | 3:43:31 h |
| High jump | Naoto Tobe Japan Airlines | 2.30 m | Tomohiro Shinno Kyudenko | 2.27 m | Takashi Eto Ajinomoto AGF | 2.24 m |
| Pole vault | Kosei Takekawa Marumoto Sangyo | 5.70 m | Masaki Ejima Tokio Marine & Nichido CS | 5.60 m | Takuma Ishikawa Toyota Seito Yamamoto Toyota | 5.60 m |
| Long jump | Yuki Hashioka Fujitsu | 8.36 m CR | Hibiki Tsuha Otsuka Pharmaceutical | 7.91 m | Shotaro Shiroyama Zenrin | 7.90 m |
| Triple jump | Yuki Yamashita Break Parking | 16.12 m | Yuto Adachi Fukuoka University | 16.04 m | Hikaru Ikehata Surugadai AC | 15.96 m |
| Shot put | Reiji Takeda Tochigi Sports Association | 18.64 m | Masahira Sato Niigata Albirex RC | 18.04 m | Hikaru Murakami Nihon Taiiku Shisetu | 17.90 m |
| Discus throw | Yuji Tsutsumi [ja] Alsok Gunma | 59.29 m | Masateru Yugami Toyota | 57.46 m | Shinichi Yukinaga Shikoku University | 57.35 m |
| Hammer throw | Shota Fukuda Nihon University | 71.37 m | Ryota Kashimura Yamada Holdings | 69.77 m | Yudai Kimura Zenrin | 68.82 m |
| Javelin throw | Takuto Kominami Somay-Q | 80.88 m | Genki Dean Mizuno Corporation | 79.94 m | Kenji Ogura Tochigi Sports Association | 78.45 m |
| Decathlon | Akihiko Nakamura Suzuki | 7833 pts | Keisuke Okuda Daiichi Gakuin | 7768 pts | Tsuyoshi Shimizu Mie Rikukyo | 7661 pts |

### Women

| Event | Gold | Gold | Silver | Silver | Bronze | Bronze |
| 100 metres | Mei Kodama Fukuoka University | 11.62 s | Aiko Iki Ritsumeikan University | 11.64 s | Chiaki Nagura NTN Corporation | 11.78 s |
| 200 metres | Mei Kodama Fukuoka University | 23.46 s | Remi Tsuruta MinamiKyushu FamilyMart | 23.65 s | Ami Saito Osaka-Seikei University | 23.70 s |
| 400 metres | Mayu Kobayashi J.VIC | 52.86 s | Nanako Matsumoto Toho Bank | 53.35 s | Seika Aoyama Osaka Seikei AC | 53.42 s |
| 800 metres | Ran Urabe Sekisui Chemical | 2:03.71 min | Yuki Hirota Niigata Albirex RC | 2:04.18 min | Nozomi Tanaka Toyota Industries TC | 2:04.47 min |
| 1500 metres | Nozomi Tanaka Toyota Industries TC | 4:08.39 min | Ran Urabe Sekisui Chemical | 4:10.52 min | Ayano Ide Wacoal | 4:13.49 min |
| 5000 metres | Ririka Hironaka Japan Post | 15:05.69 min | Hitomi Niiya Sekisui Chemical | 15:13.73 min | Nozomi Tanaka Toyota Industries TC | 15:18.25 min |
| 10,000 metres | Ririka Hironaka Japan Post | 31:11.75 min | Yuka Ando Wacoal | 31:18.18 min | Narumi Kobayashi Meijo University | 32:08.45 min |
| 100 m hurdles | Asuka Terada Japan Create | 13.09 s | Chisato Kiyoyama Ichigo Inc. | 13.22 s | Miho Suzuki Hasegawa Sports Facilities | 13.35 s |
| 400 m hurdles | Ami Yamamoto Ritsumeikan University | 57.30 s | Eri Utsunomiya Hasegawa Sports Facilities | 57.83 s | Ayesha Ibrahim Mason Work | 58.16 s |
| 3000 m s'chase | Yuno Yamanaka Ehime Bank | 9:41.84 min | Reimi Yoshimura Daito Bunka University | 9:45.52 min | Yui Yabuta Otsuka Pharmaceutical | 9:46.44 min |
| High jump | Reina Takeyama International Pacific University | 1.78 m | Moe Takeuchi Tochigi Sports Association | 1.78 m | Misaki Okano Saitama-Sakae-Oberschule | 1.73 m |
| Pole vault | Misaki Morota Tochigi Sports Association | 4.20 m | Mayu Nasu KagotaniRena Tanaka Kagawa University | 4.10 m | Not awarded | Not awarded |
| Long jump | Sumire Hata Shibata Industrial | 6.40 m | Ayaka Kōra Tsukuba University | 6.30 m | Maya Takeuchi Team Mizuno Athletic | 6.20 m |
| Triple jump | Mariko Morimoto Uchida Kensetsu AC | 13.37 m | Ayaka Kōra Tsukuba University | 13.03 m | Saki Kenmochi Hasegawa Sports Facilities | 13.02 m |
| Shot put | Nanaka Kori Kyushu Kyoritsu University | 16.01 m | Fumika Ono Saitama University | 15.64 m | Honoka Oyama Imamura Hospital | 15.18 m |
| Discus throw | Maki Saito Tokyo Women's College of Physical Education | 52.89 m | Minori Tsujikawa Uchida Yoko AC | 52.05 m | Nanaka Kori Kyushu Kyoritsu University | 50.30 m |
| Hammer throw | Akane Watanabe Maruwa | 66.24 m | Hitomi Katsuyama Orico | 63.03 m | Raika Murakami Hirosaki-Jitsugyo-Oberschule | 62.25 m |
| Javelin throw | Haruka Kitaguchi Japan Airlines | 61.49 m | Marina Saito Suzuki | 59.10 m | Sae Takemoto Osaka University of Health and Sport Sciences | 57.95 m |
| Heptathlon | Yuki Yamasaki Suzuki | 5909 pts | Karin Odama Nippon Sport Science University | 5622 pts | Nonoka Rito Warabeya Nichiyo | 5364 pts |