| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Kelechi Nwanaga | 24/12/1997 | Javelin Throw | Qualification | DNS | |
| W | Aminat Alabi | 06/10/1998 | 800 Metres | Heats | DNS | |
| M | Fabian Ime Edoki | 30/03/1998 | Long Jump | Qualification | DNS | |
| M | Raymond Ekevwo | 23/03/1999 | 100 Metres | Heats | DNS | |
| M | Emmanuel Arowolo | 08/07/1997 | 100 Metres | Heats | DNS | |
| W | Yinka Ajayi | 11/08/1997 | 400 Metres | Heats | DNS | |
| W | Praise Oghenefejiro Idamadudu | 18/12/1998 | 400 Metres | Heats | DNS |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Eucharia Ogbukwo | 10/12/1997 | Shot Put | Qualification | DNS | |
| M | Precious Omon Ojeiker | 27/12/1999 | 110m Hurdles (99.0cm) | Heats | DNS | |
| M | Bashiru Abdullahi | 26/10/1997 | 110m Hurdles (99.0cm) | Heats | 3 | 13.72 |
| M | Fabian Ime Edoki | 30/03/1998 | Triple Jump | Qualification | DNS | |
| M | Ojo Sunday Fatoyinbo | 28/07/1997 | 400 Metres | Heats | DNS | |
| M | Samson Oghenewegba Nathaniel | 29/08/1997 | 400 Metres | Heats | DNS | |
| W | Aniekeme Alphonsus | 25/12/1999 | 100 Metres | Heats | 5 | 11.85 |
| W | Mercy Ntia-Obong | 04/10/1997 | 100 Metres | Heats | 2 | 11.62 |
| M | Bashiru Abdullahi | 26/10/1997 | 110m Hurdles (99.0cm) | Semi-Final | 5 | 13.58 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Sade Olatoye | 25/01/1997 | Hammer Throw | Qualification | 8 | 58.52 |
| M | Timothy Emoghene | 20/11/1997 | 400 Metres Hurdles | Heats | DQ R163.3(a) | |
| M | Emmanuel Arowolo | 08/07/1997 | 200 Metres | Heats | 3 | 21.20 |
| W | Mercy Ntia-Obong | 04/10/1997 | 100 Metres | Semi-Final | 4 | 11.58 |
| M | Emmanuel Arowolo | 08/07/1997 | 200 Metres | Semi-Final | 4 | 21.16 |
| W | Mercy Ntia-Obong | 04/10/1997 | 100 Metres | Final | 8 | 11.79 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Oluwatobiloba Amusan | 23/04/1997 | 100 Metres Hurdles | Heats | 1 | 13.26 |
| W | Aniekeme Alphonsus Etim | 25/12/1999 | 200 Metres | Heats | DNS | |
| W | Mercy Ntia-Obong | 04/10/1997 | 200 Metres | Heats | 4 | 23.91 |
| M | Nigeria U20 | 4x100 Metres Relay | Heats | 5 | 40.39 | |
| W | Mercy Ntia-Obong | 04/10/1997 | 200 Metres | Semi-Final | DNS |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Oluwatobiloba Amusan | 23/04/1997 | 100 Metres Hurdles | Semi-Final | 1 | 12.99 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Oluwatobiloba Amusan | 23/04/1997 | 100 Metres Hurdles | Final | 5 | 12.95 |