| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Guillem CRESPI | 26/12/2002 | 60 Metres | Round 1 | 4 | 6.61 |
| W | Blanca HERVAS | 30/09/2002 | 400 Metres | Round 1 | 1 | 52.15 |
| W | Paula SEVILLA | 28/06/1997 | 400 Metres | Round 1 | 2 | 51.86 |
| M | David GARCÍA | 06/06/2005 | 400 Metres | Round 1 | 2 | 46.91 |
| M | Markel FERNANDEZ | 06/02/2003 | 400 Metres | Round 1 | 4 | 46.68 |
| W | Rocio ARROYO | 06/07/2003 | 800 Metres | Round 1 | 3 | 2:01.35 |
| W | Lorea IBARZABAL | 07/11/1994 | 800 Metres | Round 1 | 4 | 2:01.35 |
| M | Mohamed ATTAOUI | 26/09/2001 | 800 Metres | Round 1 | 2 | 1:45.75 |
| M | Elvin Josué CANALES | 05/09/2001 | 800 Metres | Round 1 | 5 | 1:47.30 |
| M | Carlos SAEZ | 27/01/1999 | 1500 Metres | Round 1 | 3 | 3:43.75 |
| M | Mariano GARCÍA | 25/09/1997 | 1500 Metres | Round 1 | 1 | 3:38.19 |
| W | Blanca HERVAS | 30/09/2002 | 400 Metres | Semi-Finals | 2 | 51.58 |
| W | Paula SEVILLA | 28/06/1997 | 400 Metres | Semi-Finals | 3 | 52.19 |
| M | Guillem CRESPI | 26/12/2002 | 60 Metres | Semi-Finals | 5 | 6.57 |
| M | David GARCÍA | 06/06/2005 | 400 Metres | Semi-Finals | 4 | 46.65 |
| M | Markel FERNANDEZ | 06/02/2003 | 400 Metres | Semi-Finals | 4 | 46.72 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Enrique LLOPIS | 15/10/2000 | 60 Metres Hurdles | Round 1 | 2 | 7.55 |
| M | Asier MARTÍNEZ | 22/04/2000 | 60 Metres Hurdles | Round 1 | 4 | 7.65 |
| W | Jaël BESTUÉ | 24/09/2000 | 60 Metres | Round 1 | 2 | 7.18 |
| X | Spain | 4x400 Metres Relay | Final | 2 | 3:16.96 | |
| W | Lorea IBARZABAL | 07/11/1994 | 800 Metres | Semi-Finals | 5 | 2:00.74 |
| W | Rocio ARROYO | 06/07/2003 | 800 Metres | Semi-Finals | 5 | 2:01.14 |
| M | Mohamed ATTAOUI | 26/09/2001 | 800 Metres | Semi-Finals | 2 | 1:44.48 |
| W | Marta GARCÍA | 01/01/1998 | 3000 Metres | Final | DQ | |
| M | Pol ORIACH | 20/09/2002 | 3000 Metres | Final | 10 | 7:39.78 |
| M | Enrique LLOPIS | 15/10/2000 | 60 Metres Hurdles | Semi-Finals | 2 | 7.46 |
| M | Asier MARTÍNEZ | 22/04/2000 | 60 Metres Hurdles | Semi-Finals | 5 | 7.62 |
| W | Jaël BESTUÉ | 24/09/2000 | 60 Metres | Semi-Finals | 8 | 7.27 |
| W | Blanca HERVAS | 30/09/2002 | 400 Metres | Finals | 3 | 51.43 |
| M | Enrique LLOPIS | 15/10/2000 | 60 Metres Hurdles | Final | 2 | 7.42 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Irati MITXELENA | 03/07/1998 | Long Jump | Final | 12 | 6.43 |
| W | Spain | 4x400 Metres Relay | Round 1 | 3 | 3:29.98 | |
| M | Carlos SAEZ | 27/01/1999 | 1500 Metres | Final | 8 | 3:42.46 |
| M | Mariano GARCÍA | 25/09/1997 | 1500 Metres | Final | 1 | 3:39.63 |
| M | Eusebio CÁCERES | 10/09/1991 | Long Jump | Final | 8 | 8.04 |
| M | Mohamed ATTAOUI | 26/09/2001 | 800 Metres | Final | 3 | 1:44.66 |
| W | Spain | 4x400 Metres Relay | Final | 3 | 3:26.04 |