Japan in Athletics |
  
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Athlete |
Event |
Heat |
Res. |
Pos. |
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| Takatoshi Abe | 400 m hurdles M | Round 1 | 51,41 | 7 | |||
| Hirooki Arai | 50 km walk M | Final | 3.45.56 | 10 | |||
| Yuki Ebihara | Javelin throw W | Qualifying Round | 59,80 | 7 | |||
| Masumi Fuchise | 20 km walk W | Final | 1.33.13 | 27 | |||
| Yasuhiro Fueki | 400 m hurdles M | Round 1 | 50,66 | 5 | |||
| Kenji Fujimitsu | 4x100 m M | Final | 38,39 | 6 | |||
| Round 1 | 38,23 | 2 | Q | ||||
| Masakazu Fujiwara | Marathon M | Final | 2.14.29 | 14 | |||
| Miyuki Fukumoto | High jump W | Qualifying Round | 1,78 | 13 | |||
| Kayoko Fukushi | Marathon W | Final | 2.27.45 |  |
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| Chisato Fukushima | 200 m W | Round 1 | 23,85 | 5 | |||
| Hideyuki Hirose | 4x400 m M | Round 1 | 3.02,43 | 4 | |||
| Hiroyuki Horibata | Marathon M | Final | dnf | - | |||
| Shota Iizuka | 200 m M | Semifinal | 20,61 | 7 | |||
| Round 1 | 20,71 | 3 | Q | ||||
| 4x100 m M | Final | 38,39 | 6 | ||||
| Round 1 | 38,23 | 2 | Q | ||||
| Yuzo Kanemaru | 400 m M | Semifinal | 46,28 | 8 | |||
| Round 1 | 46,18 | 6 | q | ||||
| 4x400 m M | Round 1 | 3.02,43 | 4 | ||||
| Yuki Kawauchi | Marathon M | Final | 2.15.35 | 18 | |||
| Yoshihide Kiryu | 100 m M | Round 1 | 10,31 | 4 | |||
| 4x100 m M | Final | 38,39 | 6 | ||||
| Round 1 | 38,23 | 2 | Q | ||||
| Takayuki Kishimoto | 400 m hurdles M | Semifinal | dq | - | |||
| Round 1 | 49,96 | 3 | Q | ||||
| Ryoko Kizaki | Marathon W | Final | 2.31.28 | 4 | |||
| Yuichi Kobayashi | 200 m M | Round 1 | 20,97 | 4 | |||
| Satomi Kubokura | 400 m hurdles W | Round 1 | 56,33 | 4 | |||
| Kazuhiro Maeda | Marathon M | Final | 2.15.25 | 17 | |||
| Koichiro Morioka | 50 km walk M | Final | 3.53.54 | 22 | |||
| Yukifumi Murakami | Javelin throw M | Qualifying Round | 77,75 | 10 | |||
| Koji Murofushi | Hammer throw M | Final | 78,03 | 6 | |||
| Qualifying Round | 76,27 | 4 | q | ||||
| Kentaro Nakamoto | Marathon M | Final | 2.10.50 | 5 | |||
| Hiroyuki Nakano | 4x400 m M | Round 1 | 3.02,43 | 4 | |||
| Hitomi Niiya | 10000 m W | Final | 30.56,70 | 5 | |||
| Mizuki Noguchi | Marathon W | Final | dnf | - | |||
| Hiroki Ogita | Pole vault M | Qualifying Round | 5,40 | 8 | |||
| Misaki Onishi | 5000 m W | Round 1 | 16.16,52 | 9 | |||
| Suguru Osako | 10000 m M | Final | 28.19,50 | 21 | |||
| Kumi Otoshi | 20 km walk W | Final | 1.32.44 | 25 | |||
| Takumi Saito | 20 km walk M | Final | 1.22.09 | 6 | |||
| Yuki Sato | 10000 m M | Final | dnf | - | |||
| 5000 m M | Round 1 | 13.37,07 | 10 | ||||
| Daichi Sawano | Pole vault M | Qualifying Round | 5,40 | 10 | |||
| Hitomi Shimura | 100 m hurdles W | Round 1 | 13,72 | 7 | |||
| Yusuke Suzuki | 20 km walk M | Final | 1.23.20 | 12 | |||
| Kei Takase | 200 m M | Round 1 | 20,96 | 5 | |||
| 4x100 m M | Final | 38,39 | 6 | ||||
| Round 1 | 38,23 | 2 | Q | ||||
| Takayuki Tanii | 50 km walk M | Final | 3.44.26 | 8 | |||
| Tsuyoshi Ugachi | 10000 m M | Final | 27.50,79 | 15 | |||
| Keisuke Ushiro | Decathlon M | Final standing | 7751 | 22 | |||
| Ryota Yamagata | 100 m M | Round 1 | 10,21 | 4 | |||
| Seito Yamamoto | Pole vault M | Final | 5,75 | 6 | |||
| Qualifying Round | 5,55 | 4 | q | ||||
| Kengo Yamazaki | 4x400 m M | Round 1 | 3.02,43 | 4 | |||
