| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Jana KOŠČAK | 19/05/2006 | 60 Metres Hurdles | Pentathlon | 6 | 8.51 |
| W | Jana KOŠČAK | 19/05/2006 | High Jump | Pentathlon | DNS | |
| M | Marino BLOUDEK | 18/07/1999 | 800 Metres | Heats | 6 | 1:49.97 |
| W | Jana KOŠČAK | 19/05/2006 | Shot Put | Pentathlon | DNS | |
| M | Filip MIHALJEVIĆ | 31/07/1994 | Shot Put | Final | 8 | 20.73 |