| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Sotaro OSAKA | 31/01/2006 | 10 Kilometres Race Walk | Final | 4 | 40:30 |
| W | Sumika TANI | 19/01/2005 | 10 Kilometres Race Walk | Final | 31 | 49:24 |
| W | Ayane YANAI | 24/12/2003 | 20 Kilometres Race Walk | Final | 18 | 1:32:52 |
| M | Ryo HAMANISHI | 24/04/2000 | 20 Kilometres Race Walk | Final | 52 | 1:26:04 |
| X | Japan | Marathon Race Walk Mixed Relay | Final | 2 | 2:57:04 |