| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Roxana RAMÍREZ | 30/09/2009 | 100 Metres | Round 1 | 5 | 11.74 |
| W | Sofía CONTRERAS | 09/07/2007 | Long Jump | Qualification | 4 | 6.09 |
| W | Aurora BERTELSEN | 23/05/2007 | 800 Metres | Round 1 | 7 | 2:12.94 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Elisa AGUADO | 03/11/2008 | 400 Metres Hurdles | Round 1 | 7 | 1:01.40 |
| M | Benjamin Ignacio TEJOS | 29/06/2008 | 400 Metres Hurdles | Round 1 | 5 | 52.10 |
| M | Alonso GUZMAN | 04/03/2008 | 400 Metres Hurdles | Round 1 | 6 | 51.87 |
| X | Chile U20 | 4x100 Metres Relay | Round 1 | 6 | 43.14 | |
| W | Sofía CONTRERAS | 09/07/2007 | Long Jump | Final | 7 | 6.20 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Leonor FERREIRO | 10/07/2008 | 100 Metres Hurdles | Round 1 | 7 | 14.11 |
| M | Pablo MACKENNA | 24/11/2008 | 110m Hurdles (99.0cm) | Round 1 | 6 | 14.11 |
| W | Pilar RODRÍGUEZ | 05/06/2008 | 200 Metres | Round 1 | 4 | 24.34 |
| W | Roxana RAMÍREZ | 30/09/2009 | 200 Metres | Round 1 | 6 | 24.24 |