| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Sandra Šrut | 26/01/1999 | 3000 Metres Steeplechase | Heats | 10 | 10:19.80 |
| M | Marko Ceko | 03/08/2000 | Long Jump | Qualification | 11 | 7.18 |
| W | Marija Tolj | 29/11/1999 | Discus Throw | Qualification | 5 | 51.77 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Marija Tolj | 29/11/1999 | Discus Throw | Final | 11 | 45.07 |
| M | Filip Mrčić | 19/03/1999 | High Jump | Qualification | 7 | 2.12 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Marino Bloudek | 18/07/1999 | 800 Metres | Heats | 2 | 1:48.54 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Filip Mrčić | 19/03/1999 | High Jump | Final | 13 | 2.07 |
| M | Marino Bloudek | 18/07/1999 | 800 Metres | Semi-Final | 6 | 1:48.20 |