| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Nanaka YONEZAWA | 24/02/2004 | U20 Race | Final | 28 | 23:29 |
| W | Mariya NODA | 02/09/2004 | U20 Race | Final | 21 | 23:11 |
| W | Aya KOTAJIMA | 20/06/2005 | U20 Race | Final | 18 | 22:46 |
| W | Yuya SAWADA | 01/03/2006 | U20 Race | Final | 25 | 23:20 |
| W | Kana MIZOGAMI | 08/11/2004 | U20 Race | Final | 17 | 22:37 |
| W | Miku MURAOKA | 22/11/2004 | U20 Race | Final | 20 | 23:07 |
| M | Daichi SHIBATA | 02/11/2004 | U20 Race | Final | 24 | 26:39 |
| M | Hiroto YOSHIOKA | 18/05/2004 | U20 Race | Final | DNF | |
| M | Sonata NAGASHIMA | 17/06/2004 | U20 Race | Final | DNF | |
| M | Taiga TOSEN | 11/01/2004 | U20 Race | Final | 62 | 30:21 |
| M | Kaisei YASUHARA | 02/06/2004 | U20 Race | Final | 42 | 27:28 |
| M | Kaisei OKADA | 30/08/2005 | U20 Race | Final | 35 | 27:05 |
| W | Reimi YOSHIMURA | 22/04/2000 | Senior Race | Final | 53 | 38:34 |
| W | Momoka KAWAGUCHI | 28/06/1998 | Senior Race | Final | 61 | 39:50 |
| W | Ririka HIRONAKA | 24/11/2000 | Senior Race | Final | DNS | |
| W | Nozomi TANAKA | 04/09/1999 | Senior Race | Final | 14 | 35:08 |
| M | Tomoya KITAMURA | 03/10/1998 | Senior Race | Final | 91 | 36:10 |
| M | Keita YOSHIDA | 31/08/1998 | Senior Race | Final | 74 | 33:57 |
| M | Shu HASEGAWA | 25/11/1997 | Senior Race | Final | 99 | 37:25 |
| M | Hazuma HATTORI | 07/02/1995 | Senior Race | Final | 81 | 34:26 |