| Sex | Athlete | DOB | Discipline | Round | POS | Mark | 
|---|---|---|---|---|---|---|
| M | Danilo Cardoso | 20/01/1997 | High Jump | Qualification | 15 | 1.95 | 
| W | Thais Gomes | 16/08/1997 | Pole Vault | Qualification | 13 | 3.20 | 
| W | Paolla Luchin | 07/03/1997 | 100m Hurdles (76.2cm) | Heats | 5 | 14.32 | 
| M | Vitor Venâncio | 27/01/1997 | 110m Hurdles (91.4cm) | Heats | 5 | 13.91 | 
| W | Elen Vasconcelos | 01/02/1997 | Long Jump | Qualification | 10 | 5.57 | 
| M | Maycon Bonadeo | 30/06/1997 | Discus Throw (1.500kg) | Qualification | 14 | 51.65 | 
| M | Anderson Cerqueira | 12/04/1997 | 400 Metres | Heats | 3 | 48.07 | 
| W | Ana Carolyne Silva | 01/03/1997 | 800 Metres | Heats | 4 | 2:11.29 | 
| Sex | Athlete | DOB | Discipline | Round | POS | Mark | 
|---|---|---|---|---|---|---|
| M | Daniel do Nascimento | 28/07/1998 | 2000 Metres Steeplechase | Heats | 9 | 5:46.92 | 
| M | Kelves dos Santos | 07/10/1997 | Long Jump | Qualification | 12 | 6.48 | 
| W | Mirna da Silva | 06/01/1997 | 100 Metres | Heats | 3 | 11.95 | 
| Sex | Athlete | DOB | Discipline | Round | POS | Mark | 
|---|---|---|---|---|---|---|
| W | Alexandra Maria da Silva | 22/09/1997 | Javelin Throw (500g) | Qualification | 9 | 48.28 | 
| W | Maria Letícia Peres | 01/06/1998 | 400 Metres Hurdles | Heats | 7 | 1:01.52 | 
| M | Bruno Spinelli | 06/04/1997 | Pole Vault | Qualification | 5 | 4.80 | 
| M | Mikael de Jesús | 19/08/1997 | 400m hurdles (84.0cm) | Heats | 2 | 51.12 | 
| M | Aliffer dos Santos | 18/04/1997 | 200 Metres | Heats | 4 | 21.64 | 
| W | Daysiellen Dias | 24/03/1997 | 200 Metres | Heats | 3 | 24.70 | 
| Sex | Athlete | DOB | Discipline | Round | POS | Mark | 
|---|---|---|---|---|---|---|
| W | Paolla Luchin | 07/03/1997 | 100m Hurdles (76.2cm) | Final | 1 | 14.16 | 
| M | Danilo Cardoso | 20/01/1997 | High Jump | Final | 2 | 2.05 | 
| M | Maycon Bonadeo | 30/06/1997 | Discus Throw (1.500kg) | Final | 3 | 54.15 | 
| W | Ana Carolyne Silva | 01/03/1997 | 800 Metres | Final | 3 | 2:11.27 | 
| W | Elen Vasconcelos | 01/02/1997 | Long Jump | Final | 2 | 5.60 | 
| M | Anderson Cerqueira | 12/04/1997 | 400 Metres | Final | 7 | 47.81 | 
| W | Thais Gomes | 16/08/1997 | Pole Vault | Final | NM | |
| W | Mirna da Silva | 06/01/1997 | 100 Metres | Final | 4 | 12.12 | 
| M | Vitor Venâncio | 27/01/1997 | 110m Hurdles (91.4cm) | Final | 2 | 13.81 | 
| Sex | Athlete | DOB | Discipline | Round | POS | Mark | 
|---|---|---|---|---|---|---|
| M | Kelves dos Santos | 07/10/1997 | Long Jump | Final | DNS | |
| W | Daysiellen Dias | 24/03/1997 | 200 Metres | Final | 6 | 24.73 | 
| M | Aliffer dos Santos | 18/04/1997 | 200 Metres | Final | 1 | 21.68 | 
| Sex | Athlete | DOB | Discipline | Round | POS | Mark | 
|---|---|---|---|---|---|---|
| M | Mikael de Jesús | 19/08/1997 | 400m hurdles (84.0cm) | Final | 4 | 51.30 | 
| M | Bruno Spinelli | 06/04/1997 | Pole Vault | Final | 6 | 4.85 | 
| W | Maria Letícia Peres | 01/06/1998 | 400 Metres Hurdles | Final | 3 | 1:02.28 | 
| W | Alexandra Maria da Silva | 22/09/1997 | Javelin Throw (500g) | Final | 8 | 47.54 | 
| M | Daniel do Nascimento | 28/07/1998 | 2000 Metres Steeplechase | Final | 2 | 6:01.84 |