| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Jonathan PADILLA | 20/02/2005 | 100 Metres | Heats | 5 | 10.62 |
| M | Amado Kalid AMADOR | 02/04/2007 | 800 Metres | Heats | 5 | 1:50.30 |
| W | Sofia PEÑA | 01/12/2006 | 3000 Metres Steeplechase | Heats | 8 | 10:33.03 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Jose Eduardo AGUADO | 28/03/2005 | 400 Metres Hurdles | Heats | 3 | 52.09 |
| M | Maximiliano NUÑEZ | 29/07/2005 | 400 Metres Hurdles | Heats | 3 | 52.09 |
| W | Kenya MATURANA | 21/01/2008 | 400 Metres | Heats | 6 | 55.45 |
| W | Paola MIRELES | 16/05/2006 | 400 Metres | Heats | 7 | 56.58 |
| M | Rafael BUELNA | 27/02/2005 | 400 Metres | Heats | 5 | 47.82 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Dario Axel RODRIGUEZ | 25/01/2006 | 100 Metres | Decathlon U20 | 4 | 11.03 |
| W | Elvia CANELA | 23/06/2005 | Hammer Throw | Qualification | 10 | 51.75 |
| M | Dario Axel RODRIGUEZ | 25/01/2006 | Long Jump | Decathlon U20 | 9 | 6.59 |
| M | Angel Ivan LOPEZ | 22/02/2006 | 110m Hurdles (99.0cm) | Heats | 6 | 13.99 |
| M | Dario Axel RODRIGUEZ | 25/01/2006 | Shot Put (6kg) | Decathlon U20 | 12 | 13.27 |
| M | Alejandro CARDENAS | 19/05/2006 | 200 Metres | Heats | 3 | 21.32 |
| M | Eduardo LOYA | 24/02/2005 | 200 Metres | Heats | 7 | 22.05 |
| M | Dario Axel RODRIGUEZ | 25/01/2006 | High Jump | Decathlon U20 | 12 | 1.70 |
| M | Amado Kalid AMADOR | 02/04/2007 | 800 Metres | Semi-Final | 7 | 1:51.13 |
| M | Alejandro CARDENAS | 19/05/2006 | 200 Metres | Semi-Final | 5 | 21.69 |
| W | Sofia PEÑA | 01/12/2006 | 3000 Metres Steeplechase | Final | 16 | 10:40.10 |
| M | Dario Axel RODRIGUEZ | 25/01/2006 | 400 Metres | Decathlon U20 | 5 | 49.23 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Dario Axel RODRIGUEZ | 25/01/2006 | 110m Hurdles (99.0cm) | Decathlon U20 | 6 | 14.67 |
| M | Oscar BOCANEGRA | 19/03/2006 | 10,000 Metres Race Walk | Final | 25 | 42:38.01 |
| M | Emiliano BARBA | 23/03/2007 | 10,000 Metres Race Walk | Final | 2 | 39:27.10 |
| M | Dario Axel RODRIGUEZ | 25/01/2006 | Discus Throw (1.750kg) | Decathlon U20 | 9 | 34.17 |
| W | Valeria FLORES | 17/02/2006 | 10,000 Metres Race Walk | Final | 21 | 47:41.65 |
| W | Renata CORTES | 12/03/2005 | 10,000 Metres Race Walk | Final | 6 | 45:24.47 |
| M | Dario Axel RODRIGUEZ | 25/01/2006 | Pole Vault | Decathlon U20 | 7 | 4.00 |
| M | Mexico U20 | 4x100 Metres Relay | Heats | 5 | 40.34 | |
| M | Dario Axel RODRIGUEZ | 25/01/2006 | Javelin Throw | Decathlon U20 | 10 | 41.28 |
| M | Jose Eduardo AGUADO | 28/03/2005 | 400 Metres Hurdles | Semi-Final | 4 | 52.57 |
| M | Maximiliano NUÑEZ | 29/07/2005 | 400 Metres Hurdles | Semi-Final | 7 | 57.96 |
| M | Dario Axel RODRIGUEZ | 25/01/2006 | 1500 Metres | Decathlon U20 | 12 | 4:48.27 |