| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Izaias ALVES | 07/03/2003 | 100 Metres | Heats | 6 | 10.79 |
| W | Erica BARBOSA | 07/11/2002 | 400 Metres | Heats | 4 | 54.94 |
| M | Vinícius MOURA | 09/03/2005 | 400 Metres | Heats | 7 | 49.59 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Gabriel ALVES DOS SANTOS | 05/03/2003 | 400 Metres Hurdles | Heats | 2 | 52.25 |
| M | Leonardo SANTOS | 27/01/2002 | 800 Metres | Heats | 2 | 1:49.76 |
| W | Vivica Ifeoma SILVA | 20/02/2002 | Triple Jump | Qualification | 10 | 12.51 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Daniele CAMPIGOTTO | 12/03/2003 | 100 Metres Hurdles | Heats | 5 | 14.49 |
| M | Rian PEREIRA | 25/06/2002 | 110m Hurdles (99.0cm) | Heats | 2 | 13.71 |
| W | Giovana CORRADI | 19/11/2003 | Long Jump | Qualification | 8 | 6.00 |
| W | Erica BARBOSA | 07/11/2002 | 200 Metres | Heats | 5 | 24.37 |
| M | Izaias ALVES | 07/03/2003 | 200 Metres | Heats | 7 | 21.52 |
| W | Giovana CORRADI | 19/11/2003 | 100 Metres Hurdles | Semi-Final | DNS | |
| M | Rian PEREIRA | 25/06/2002 | 110m Hurdles (99.0cm) | Semi-Final | 7 | 13.78 |
| M | Gabriel Luiz BOZA | 07/03/2003 | Long Jump | Final | 4 | 7.83 |
| W | Erica BARBOSA | 07/11/2002 | 200 Metres | Semi-Final | 8 | 24.54 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Gabriela DE SOUSA | 12/06/2002 | 10,000 Metres Race Walk | Final | DNF | |
| M | Brazil U20 | 4x400 Metres Relay | Heats | 5 | 3:10.53 | |
| M | Brazil U20 | 4x100 Metres Relay | Heats | DQ | ||
| M | Gabriel ALVES DOS SANTOS | 05/03/2003 | 400 Metres Hurdles | Semi-Final | 8 | 56.09 |
| M | Leonardo SANTOS | 27/01/2002 | 800 Metres | Semi-Final | 6 | 1:48.78 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Felipe IZIDORO | 01/10/2003 | Triple Jump | Final | 8 | 15.69 |
| W | Lissandra Maysa CAMPOS | 06/02/2002 | Long Jump | Final | 6 | 6.38 |