| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Jan EMBERŠIČ | 06/04/2003 | Hammer Throw (6kg) | Qualification | 7 | 67.78 |
| M | Filip DOMINKOVIĆ | 18/02/2002 | Javelin Throw | Qualification | 2 | 73.82 |
| M | Vid BOTOLIN | 15/08/2002 | 3000 Metres | Final | 13 | 9:10.10 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Neža DOLENC | 07/02/2003 | 400 Metres Hurdles | Heats | 6 | 1:01.37 |
| W | Lara BEZGOVŠEK | 06/06/2003 | 400 Metres Hurdles | Heats | 6 | 1:08.29 |
| M | Matic Ian GUČEK | 20/09/2003 | 400 Metres Hurdles | Heats | 2 | 51.27 |
| W | Petja KLOJČNIK | 13/11/2004 | 800 Metres | Heats | 4 | 2:09.11 |
| W | Veronika SADEK | 21/01/2003 | 800 Metres | Heats | 3 | 2:08.34 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Eva MURN | 03/12/2002 | 100 Metres Hurdles | Heats | 5 | 14.51 |
| M | Filip DOMINKOVIĆ | 18/02/2002 | Javelin Throw | Final | 11 | 64.03 |
| W | Petja KLOJČNIK | 13/11/2004 | 800 Metres | Semi-Final | 8 | 2:09.97 |
| W | Veronika SADEK | 21/01/2003 | 800 Metres | Semi-Final | 3 | 2:07.41 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Matic Ian GUČEK | 20/09/2003 | 400 Metres Hurdles | Semi-Final | 2 | 50.56 |
| M | Sandro JERŠIN TOMASSINI | 30/01/2004 | High Jump | Final | 11 | 2.06 |
| W | Veronika SADEK | 21/01/2003 | 800 Metres | Final | 4 | 2:04.96 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Matic Ian GUČEK | 20/09/2003 | 400 Metres Hurdles | Final | 5 | 50.80 |
| W | Slovenia U20 | 4x400 Metres Relay | Final | 8 | 3:49.36 |