| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Nanami WATANABE | 24/12/1998 | 5 Kilometres | Final | 14 | 15:46 |
| M | Kanta SHIMIZU | 03/05/1996 | 5 Kilometres | Final | 18 | 13:37 |
| M | Yamato YOSHII | 14/02/2002 | 5 Kilometres | Final | 35 | 14:11 |
| W | Nozomi TANAKA | 04/09/1999 | Road Mile | Final | 8 | 4:35.32 |
| M | Ryoji TATEZAWA | 16/05/1997 | Road Mile | Final | 16 | 4:01.26 |
| M | Yusuke TAKAHASHI | 28/07/1999 | Road Mile | Final | 20 | 4:03.32 |
| M | Ryota KONDO | 05/10/1999 | Half Marathon | Final | 55 | 1:04:01 |
| M | Tomoki OTA | 17/10/1997 | Half Marathon | Final | 12 | 1:00:43 |