| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Dominik KOPEĆ | 05/03/1995 | 60 Metres | Round 1 | 4 | 6.62 |
| M | Oliwer WDOWIK | 03/01/2002 | 60 Metres | Round 1 | 2 | 6.60 |
| W | Natalia BUKOWIECKA | 17/01/1998 | 400 Metres | Round 1 | 1 | 51.60 |
| W | Justyna ŚWIĘTY-ERSETIC | 03/12/1992 | 400 Metres | Round 1 | 3 | 52.15 |
| W | Maria ŻODZIK | 19/01/1997 | High Jump | Final | 5 | 1.93 |
| W | Julia JAGUŚCIK | 16/12/2003 | 800 Metres | Round 1 | 5 | 2:05.40 |
| W | Anna WIELGOSZ | 09/11/1993 | 800 Metres | Round 1 | 2 | 2:00.13 |
| M | Filip OSTROWSKI | 12/07/2001 | 800 Metres | Round 1 | 2 | 1:46.61 |
| M | Maciej WYDERKA | 29/07/2002 | 800 Metres | Round 1 | 2 | 1:46.15 |
| W | Klaudia KAZIMIERSKA | 03/09/2001 | 1500 Metres | Round 1 | 2 | 4:11.33 |
| M | Kamil HERZYK | 14/04/2004 | 1500 Metres | Round 1 | 9 | 3:44.31 |
| W | Natalia BUKOWIECKA | 17/01/1998 | 400 Metres | Semi-Finals | 1 | 51.41 |
| M | Dominik KOPEĆ | 05/03/1995 | 60 Metres | Semi-Finals | 5 | 6.60 |
| M | Oliwer WDOWIK | 03/01/2002 | 60 Metres | Semi-Finals | 4 | 6.58 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Jakub SZYMAŃSKI | 22/07/2002 | 60 Metres Hurdles | Round 1 | 1 | 7.50 |
| M | Damian CZYKIER | 10/08/1992 | 60 Metres Hurdles | Round 1 | 2 | 7.54 |
| W | Magdalena STEFANOWICZ | 21/09/2000 | 60 Metres | Round 1 | 4 | 7.30 |
| W | Ewa SWOBODA | 26/07/1997 | 60 Metres | Round 1 | 1 | 7.08 |
| X | Poland | 4x400 Metres Relay | Final | 3 | 3:17.44 | |
| M | Mateusz KOŁODZIEJSKI | 22/06/2002 | High Jump | Final | 7 | 2.22 |
| W | Anna WIELGOSZ | 09/11/1993 | 800 Metres | Semi-Finals | 4 | 2:00.48 |
| M | Maciej WYDERKA | 29/07/2002 | 800 Metres | Semi-Finals | 3 | 1:44.59 |
| M | Filip OSTROWSKI | 12/07/2001 | 800 Metres | Semi-Finals | 4 | 1:46.50 |
| M | Damian CZYKIER | 10/08/1992 | 60 Metres Hurdles | Semi-Finals | 4 | 7.57 |
| M | Jakub SZYMAŃSKI | 22/07/2002 | 60 Metres Hurdles | Semi-Finals | 1 | 7.42 |
| W | Ewa SWOBODA | 26/07/1997 | 60 Metres | Semi-Finals | 3 | 7.08 |
| W | Natalia BUKOWIECKA | 17/01/1998 | 400 Metres | Finals | 1 | 50.83 |
| M | Jakub SZYMAŃSKI | 22/07/2002 | 60 Metres Hurdles | Final | 1 | 7.40 |
| W | Ewa SWOBODA | 26/07/1997 | 60 Metres | Final | 6 | 7.07 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Adrianna SUŁEK-SCHUBERT | 03/04/1999 | 60 Metres Hurdles | Pentathlon | 3 | 8.44 |
| W | Paulina LIGARSKA | 09/04/1996 | 60 Metres Hurdles | Pentathlon | 7 | 8.31 |
| W | Anna MATUSZEWICZ | 05/04/2003 | Long Jump | Final | 9 | 6.50 |
| W | Paulina LIGARSKA | 09/04/1996 | High Jump | Pentathlon | 7 | 1.72 |
| W | Adrianna SUŁEK-SCHUBERT | 03/04/1999 | High Jump | Pentathlon | 3 | 1.81 |
| M | Poland | 4x400 Metres Relay | Round 1 | 4 | 3:06.30 | |
| M | Konrad BUKOWIECKI | 17/03/1997 | Shot Put | Final | 8 | 20.62 |
| W | Poland | 4x400 Metres Relay | Round 1 | 1 | 3:28.06 | |
| W | Pia SKRZYSZOWSKA | 20/04/2001 | 60 Metres Hurdles | Round 1 | 1 | 7.84 |
| W | Paulina LIGARSKA | 09/04/1996 | Shot Put | Pentathlon | 6 | 14.11 |
| W | Adrianna SUŁEK-SCHUBERT | 03/04/1999 | Shot Put | Pentathlon | 2 | 14.89 |
| W | Adrianna SUŁEK-SCHUBERT | 03/04/1999 | Long Jump | Pentathlon | 10 | 5.98 |
| W | Paulina LIGARSKA | 09/04/1996 | Long Jump | Pentathlon | 8 | 6.13 |
| W | Pia SKRZYSZOWSKA | 20/04/2001 | 60 Metres Hurdles | Semi-Finals | 1 | 7.76 |
| W | Klaudia KAZIMIERSKA | 03/09/2001 | 1500 Metres | Final | 6 | 4:02.80 |
| W | Adrianna SUŁEK-SCHUBERT | 03/04/1999 | 800 Metres | Pentathlon | 8 | 2:13.10 |
| W | Paulina LIGARSKA | 09/04/1996 | 800 Metres | Pentathlon | 7 | 2:12.54 |
| W | Pia SKRZYSZOWSKA | 20/04/2001 | 60 Metres Hurdles | Final | 3 | 7.73 |
| W | Poland | 4x400 Metres Relay | Final | 4 | 3:26.17 |