| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Aoi HOSOKAWA | 12/12/2006 | U20 Race | Final | 33 | 21:46 |
| M | Nao NANATSUE | 17/03/2006 | U20 Race | Final | 41 | 25:14 |
| X | Japan | Mixed Relay | Final | 7 | 23:18 | |
| W | Erika TANOURA | 01/02/2000 | Senior Race | Final | 27 | 34:00 |
| M | Hiroto FUJIMAGARI | 26/05/1997 | Senior Race | Final | 48 | 30:15 |