Japan in Athletics |
  
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Athlete |
Event |
Heat |
Res. |
Pos. |
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| Sayaka Aoki | 4x400 m W | Round 1 | 3.28,91 | 7 | |||
| Seika Aoyama | 4x400 m W | Round 1 | 3.28,91 | 7 | |||
| Hirooki Arai | 50 km walk M | Final | 3.43.44 | 4 | |||
| Ryohei Arai | Javelin throw M | Final | 83,07 | 9 | |||
| Qualifying Round | 84,66 | 1 | Q | ||||
| Asami Chiba | 4x400 m W | Round 1 | 3.28,91 | 7 | |||
| Yuki Ebihara | Javelin throw W | Qualifying Round | 60,30 | 9 | |||
| Takashi Eto | High jump M | Qualifying Round | 2,22 | 16 | |||
| Kenji Fujimitsu | 200 m M | Semifinal | 20,34 | 7 | |||
| Round 1 | 20,28 | 2 | Q | ||||
| 4x100 m M | Round 1 | 38,60 | 4 | ||||
| Isamu Fujisawa | 20 km walk M | Final | 1.21.51 | 13 | |||
| Masakazu Fujiwara | Marathon M | Final | 2.21.06 | 21 | |||
| Chisato Fukushima | 100 m W | Semifinal | 11,32 | 7 | |||
| Round 1 | 11,23 | 3 | Q | ||||
| 200 m W | Round 1 | 23,30 | 5 | ||||
| Yuji Hiramatsu | High jump M | Qualifying Round | 2,17 | 16 | |||
| Kana Ichikawa | 4x400 m W | Round 1 | 3.28,91 | 7 | |||
| Mai Ito | Marathon W | Final | 2.29.48 | 7 | |||
| Yuzo Kanemaru | 400 m M | Round 1 | 45,65 | 6 | |||
| 4x400 m M | Round 1 | 3.02,97 | 7 | ||||
| Takayuki Kishimoto | 400 m hurdles M | Round 1 | 49,78 | 8 | |||
| Takamasa Kitagawa | 4x400 m M | Round 1 | 3.02,97 | 7 | |||
| Naoki Kobayashi | 4x400 m M | Round 1 | 3.02,97 | 7 | |||
| Yuta Konishi | 400 m hurdles M | Round 1 | 49,58 | 6 | |||
| Kazuhiro Maeda | Marathon M | Final | 2.32.49 | 40 | |||
| Sairi Maeda | Marathon W | Final | 2.31.46 | 13 | |||
| Yuki Matsushita | 400 m hurdles M | Semifinal | 51,10 | 8 | |||
| Round 1 | 49,34 | 4 | Q | ||||
| Kenta Murayama | 10000 m M | Final | 29.50,22 | 22 | |||
| Kota Murayama | 5000 m M | Round 1 | 14.07,11 | 17 | |||
| Takuya Nagata | 4x100 m M | Round 1 | 38,60 | 4 | |||
| Akihiko Nakamura | Decathlon M | Final standing | 7745 | 16 | |||
| Kasumi Nishihara | 10000 m W | Final | 32.12,95 | 13 | |||
| Hiroki Ogita | Pole vault M | Qualifying Round | 5,65 | 10 | |||
| Rei Ohara | 10000 m W | Final | 32.47,74 | 22 | |||
| Kumiko Okada | 20 km walk W | Final | 1.34.56 | 25 | |||
| Misaki Onishi | 5000 m W | Final | 15.29,63 | 14 | |||
| Round 1 | 15.33,84 | 6 | q | ||||
| Suguru Osako | 5000 m M | Round 1 | 13.45,82 | 7 | |||
| Kazuma Oseto | 4x100 m M | Round 1 | 38,60 | 4 | |||
| Abdul Sani Brown | 200 m M | Semifinal | 20,47 | 5 | |||
| Round 1 | 20,35 | 2 | Q | ||||
| Risa Shigetomo | Marathon W | Final | 2.32.37 | 14 | |||
| Yuta Shitara | 10000 m M | Final | 30.08,35 | 23 | |||
| Yohei Sugai | Long jump M | Qualifying Round | 7,92 | 5 | |||
| Azusa Sumi | 5000 m W | Round 1 | 16.13,65 | 11 | |||
| Ayuko Suzuki | 5000 m W | Final | 15.08,29 | 9 | |||
| Round 1 | 15.28,18 | 6 | q | ||||
| Yusuke Suzuki | 20 km walk M | Final | dnf | - | |||
| Eiki Takahashi | 20 km walk M | Final | 1.28.30 | 47 | |||
| Kei Takase | 100 m M | Round 1 | 10,15 | 4 | |||
| 200 m M | Semifinal | 20,64 | 8 | ||||
| Round 1 | 20,33 | 4 | q | ||||
| Yuka Takashima | 10000 m W | Final | 32.27,79 | 20 | |||
| Tomoya Tamura | 4x400 m M | Round 1 | 3.02,97 | 7 | |||
| Kotaro Taniguchi | 4x100 m M | Round 1 | 38,60 | 4 | |||
| Takayuki Tanii | 50 km walk M | Final | 3.42.55 |  |
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| Naoto Tobe | High jump M | Qualifying Round | 2,26 | 15 | |||
| Keisuke Ushiro | Decathlon M | Final standing | 7532 | 20 | |||
| Seito Yamamoto | Pole vault M | Qualifying Round | 5,65 | 12 | |||
| Yuki Yamazaki | 50 km walk M | Final | 4.03.54 | 34 | |||
| Tetsuya Yoroizaka | 10000 m M | Final | 28.25,77 | 18 | |||
