| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Rocío Barbara COMBA | 14/07/1987 | Discus Throw | Qualification | 6 | 61.54 |
| M | Román Gastaldi | 25/09/1989 | 100 Metres | Decathlon | 5 | 11.20 |
| M | Román Gastaldi | 25/09/1989 | Long Jump | Decathlon | 12 | 6.89 |
| M | Román Gastaldi | 25/09/1989 | Shot Put | Decathlon | 4 | 13.96 |
| W | Karina CORDOBA | 18/05/1982 | Marathon | Final | 36 | 2:51:07 |
| W | Karina Elizabeth NEIPÁN | 11/12/1982 | Marathon | Final | 41 | 2:56:02 |
| W | María de los Angeles PERALTA | 30/11/1977 | Marathon | Final | DNF | |
| M | Román Gastaldi | 25/09/1989 | High Jump | Decathlon | 13 | 1.87 |
| M | Román Gastaldi | 25/09/1989 | 400 Metres | Decathlon | DQ R163.3 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Román Gastaldi | 25/09/1989 | 110 Metres Hurdles | Decathlon | DNS | |
| M | Román Gastaldi | 25/09/1989 | Discus Throw | Decathlon | DNS | |
| M | Román Gastaldi | 25/09/1989 | Pole Vault | Decathlon | DNS | |
| M | Juan Manuel Cano | 12/12/1987 | 20 Kilometres Race Walk | Final | 45 | 1:30:45 |
| W | Rocío Comba | 14/07/1987 | Discus Throw | Final | 12 | 59.83 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Jennifer DAHLGREN | 21/04/1984 | Hammer Throw | Qualification | 6 | 68.90 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Germán Luján LAURO | 02/04/1984 | Shot Put | Qualification | 6 | 20.09 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Germán Lauro | 02/04/1984 | Shot Put | Final | 7 | 20.40 |