| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Joel-jin NWAMADI | 06/02/2006 | 100 Metres | Heats | 2 | 10.50 |
| M | Jeong-yoon KIM | 23/11/2005 | 100 Metres | Heats | 4 | 10.60 |
| M | Si-hoon PARK | 20/02/2007 | Shot Put (6kg) | Qualification | 9 | 18.29 |
| W | Hye-min YEE | 08/04/2006 | Discus Throw | Qualification | 9 | 47.62 |
| M | Tae-sik JEONG | 05/02/2005 | Triple Jump | Qualification | 7 | 15.20 |
| M | Junseok JEONG | 07/03/2005 | Javelin Throw | Qualification | 14 | 61.94 |
| M | Joel-jin NWAMADI | 06/02/2006 | 100 Metres | Semi-Final | 6 | 10.65 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Min-ji KIM | 02/01/2007 | Javelin Throw | Qualification | 9 | 46.74 |
| M | Jeong-hyun KIM | 21/02/2005 | 400 Metres Hurdles | Heats | DNF |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Taehui KIM | 07/09/2005 | Hammer Throw | Qualification | 2 | 63.45 |
| M | Eui-chan HWANG | 11/03/2005 | 110m Hurdles (99.0cm) | Heats | 7 | 14.26 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Sojin PARK | 18/05/2005 | Shot Put | Qualification | 8 | 14.23 |
| M | Beom-su SEO | 08/10/2007 | 10,000 Metres Race Walk | Final | 29 | 43:37.02 |
| M | Korea U20 | 4x100 Metres Relay | Heats | 1 | 39.71 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Taehui KIM | 07/09/2005 | Hammer Throw | Final | 10 | 60.49 |
| M | Korea U20 | 4x100 Metres Relay | Final | 6 | 39.80 |