| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Rafael Noguera | 28/02/1997 | 100 Metres | Decathlon U20 | 4 | 11.05 |
| W | Marisleisys Duarthe | 17/09/2000 | Javelin Throw | Qualification | 5 | 52.32 |
| M | Rafael Noguera | 28/02/1997 | Long Jump | Decathlon U20 | 1 | 7.24 |
| W | Arletis Thaureaux | 16/01/1997 | 800 Metres | Heats | 2 | 2:08.44 |
| M | Maykel Massó | 08/05/1999 | Long Jump | Qualification | 2 | 7.91 |
| M | Juan Miguel Echevarría | 11/08/1998 | Long Jump | Qualification | 1 | 7.89 |
| M | Rafael Noguera | 28/02/1997 | Shot Put (6kg) | Decathlon U20 | 12 | 12.99 |
| M | Rafael Noguera | 28/02/1997 | High Jump | Decathlon U20 | 12 | 1.86 |
| W | Roxana Gómez | 07/01/1999 | 400 Metres | Heats | 1 | 53.16 |
| M | Rafael Noguera | 28/02/1997 | 400 Metres | Decathlon U20 | 5 | 49.66 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Rafael Noguera | 28/02/1997 | 110m Hurdles (99.0cm) | Decathlon U20 | 3 | 14.13 |
| M | Yoan Villa | 31/01/1998 | 110m Hurdles (99.0cm) | Heats | 4 | 13.77 |
| M | Rafael Noguera | 28/02/1997 | Discus Throw (1.750kg) | Decathlon U20 | NM | |
| M | Lázaro Martínez | 03/11/1997 | Triple Jump | Qualification | 1 | 16.49 |
| M | Cristian Nápoles | 27/11/1998 | Triple Jump | Qualification | 1 | 16.53 |
| M | Rafael Noguera | 28/02/1997 | Pole Vault | Decathlon U20 | DNS | |
| M | Yoan Villa | 31/01/1998 | 110m Hurdles (99.0cm) | Semi-Final | 7 | 13.81 |
| M | Luis Enrique Zayas | 07/06/1997 | High Jump | Qualification | 4 | 2.16 |
| W | Arletis Thaureaux | 16/01/1997 | 800 Metres | Semi-Final | 3 | 2:05.47 |
| M | Maykel Massó | 08/05/1999 | Long Jump | Final | 1 | 8.00 |
| M | Juan Miguel Echevarría | 11/08/1998 | Long Jump | Final | 5 | 7.78 |
| W | Roxana Gómez | 07/01/1999 | 400 Metres | Semi-Final | 2 | 52.26 |
| W | Marisleisys Duarthe | 17/09/2000 | Javelin Throw | Final | 9 | 51.46 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Ayamey Medina | 21/02/1998 | Hammer Throw | Qualification | 5 | 59.84 |
| W | Adriana Rodríguez | 12/07/1999 | 100 Metres Hurdles | Heptathlon | 1 | 13.69 |
| W | Adriana Rodríguez | 12/07/1999 | High Jump | Heptathlon | 3 | 1.80 |
| W | Adriana Rodríguez | 12/07/1999 | Shot Put | Heptathlon | 4 | 12.65 |
| W | Adriana Rodríguez | 12/07/1999 | 200 Metres | Heptathlon | 1 | 23.95 |
| M | Cristian Nápoles | 27/11/1998 | Triple Jump | Final | 2 | 16.62 |
| M | Lázaro Martínez | 03/11/1997 | Triple Jump | Final | 1 | 17.06 |
| W | Roxana Gómez | 07/01/1999 | 400 Metres | Final | 6 | 52.24 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Adriana Rodríguez | 12/07/1999 | Long Jump | Heptathlon | 1 | 5.96 |
| W | Davisleydi Velazco | 04/09/1999 | Triple Jump | Qualification | 3 | 13.14 |
| W | Adriana Rodríguez | 12/07/1999 | Javelin Throw | Heptathlon | 6 | 37.36 |
| M | Luis Enrique Zayas | 07/06/1997 | High Jump | Final | 1 | 2.27 |
| W | Adriana Rodríguez | 12/07/1999 | 800 Metres | Heptathlon | 5 | 2:23.27 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Davisleydi Velazco | 04/09/1999 | Triple Jump | Final | 12 | 12.83 |
| W | Ayamey Medina | 21/02/1998 | Hammer Throw | Final | 10 | 58.27 |