| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| X | Argentina U20 | 4x400 Metres Relay | Heats | 6 | 3:29.28 | |
| M | Tomás MONDINO | 27/05/2005 | 100 Metres | Heats | 8 | 11.06 |
| M | Uriel Rodrigo MUÑOZ | 23/07/2005 | 800 Metres | Heats | 4 | 1:51.35 |
| W | Isabel CONDE FRANKENBERG | 23/09/2005 | 800 Metres | Heats | 4 | 2:07.54 |
| W | Carolina SCARPONI | 02/06/2005 | Pole Vault | Qualification | 10 | 3.80 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Helen BERNARD STILLING | 11/08/2005 | 400 Metres Hurdles | Heats | 6 | 1:01.24 |
| W | Malena GALVAN | 30/05/2006 | 400 Metres | Heats | 8 | 55.37 |
| M | Uriel Rodrigo MUÑOZ | 23/07/2005 | 1500 Metres | Heats | 6 | 3:47.05 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Giuliana BAIGORRIA | 04/02/2005 | Hammer Throw | Qualification | 8 | 58.35 |
| W | Helen BERNARD STILLING | 11/08/2005 | 100 Metres Hurdles | Heats | 6 | 14.07 |
| M | Güercio Diego PÉREZ | 28/11/2006 | 110m Hurdles (99.0cm) | Heats | 6 | 14.45 |
| M | Tomás MONDINO | 27/05/2005 | 200 Metres | Heats | DNS | |
| W | Isabel CONDE FRANKENBERG | 23/09/2005 | 800 Metres | Semi-Final | 6 | 2:07.89 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Argentina U20 | 4x400 Metres Relay | Heats | 5 | 3:47.10 |