| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Juan Manuel APODACA | 02/02/2003 | 110m Hurdles (99.0cm) | Heats | 4 | 14.31 |
| X | Ecuador U20 | 4x400 Metres Relay | Heats | 3 | 3:29.65 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Austin RAMOS | 04/04/2003 | Pole Vault | Qualification | 1 | 5.20 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Nereida SANTA CRUZ | 28/02/2003 | Hammer Throw | Qualification | 2 | 62.37 |
| M | Wilson Steven NAVARRETE | 15/04/2004 | 3000 Metres Steeplechase | Heats | 8 | 9:06.99 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Carmen ALDER CAISALITIN | 03/03/2003 | 1500 Metres | Heats | 9 | 4:31.16 |
| M | Austin RAMOS | 04/04/2003 | Pole Vault | Final | 8 | 5.15 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Maria Jose MENDOZA | 02/06/2003 | 10,000 Metres Race Walk | Final | 37 | 53:07.13 |
| M | Terry Patricio VILLACORTE | 06/01/2003 | 10,000 Metres Race Walk | Final | 19 | 45:43.38 |
| M | Saul WAMPUTSRIK | 12/10/2004 | 10,000 Metres Race Walk | Final | 8 | 43:46.17 |
| W | Ecuador U20 | 4x400 Metres Relay | Heats | 6 | 3:53.46 | |
| M | Ecuador U20 | 4x400 Metres Relay | Heats | 8 | 3:15.58 | |
| W | Nereida SANTA CRUZ | 28/02/2003 | Hammer Throw | Final | 10 | 60.00 |