| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Yoshihide KIRYU | 15/12/1995 | 60 Metres | Round 1 | 3 | 6.62 |
| M | Yoshiki KINASHI | 28/09/2001 | 60 Metres | Round 1 | 2 | 6.57 |
| M | Allon Tatsunami CLAY | 25/03/2002 | 800 Metres | Round 1 | 2 | 1:46.08 |
| M | Yoshiki KINASHI | 28/09/2001 | 60 Metres | Semi-Finals | 6 | 6.63 |
| M | Yoshihide KIRYU | 15/12/1995 | 60 Metres | Semi-Finals | 8 | 6.69 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Shusei NOMOTO | 25/10/1995 | 60 Metres Hurdles | Round 1 | 2 | 7.57 |
| M | Ryota FUJII | 29/07/1996 | 60 Metres Hurdles | Round 1 | 6 | 7.81 |
| M | Tomohiro SHINNO | 17/08/1996 | High Jump | Final | 5 | 2.26 |
| M | Naoto HASEGAWA | 15/11/1996 | High Jump | Final | 11 | 2.17 |
| M | Allon Tatsunami CLAY | 25/03/2002 | 800 Metres | Semi-Finals | 2 | 1:46.47 |
| W | Nozomi TANAKA | 04/09/1999 | 3000 Metres | Final | 13 | 9:07.77 |
| M | Shusei NOMOTO | 25/10/1995 | 60 Metres Hurdles | Semi-Finals | 3 | 7.49 |
| M | Shusei NOMOTO | 25/10/1995 | 60 Metres Hurdles | Final | 6 | 7.49 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Chisato KIYOYAMA | 24/07/1991 | 60 Metres Hurdles | Round 1 | 7 | 8.15 |
| W | Mako FUKUBE | 28/10/1995 | 60 Metres Hurdles | Round 1 | 4 | 8.02 |
| W | Mako FUKUBE | 28/10/1995 | 60 Metres Hurdles | Semi-Finals | 7 | 8.06 |
| M | Allon Tatsunami CLAY | 25/03/2002 | 800 Metres | Final | 6 | 1:45.42 |