| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Parami Wasanthi Maristela | 28/05/2001 | 3000 Metres Steeplechase | Heats | 5 | 10:20.12 |
| W | Shyamali Kumarasinghe | 11/05/1999 | 800 Metres | Heats | 7 | 2:12.91 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Aruna Dharshana | 19/01/1999 | 400 Metres | Heats | 1 | 46.81 |
| W | Amasha De Silva | 12/08/1999 | 100 Metres | Heats | 5 | 11.75 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Amasha De Silva | 12/08/1999 | 100 Metres | Semi-Final | 8 | 11.86 |
| M | Aruna Dharshana | 19/01/1999 | 400 Metres | Semi-Final | 5 | 46.75 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Sri Lanka U20 | 4x400 Metres Relay | Heats | 6 | 3:51.02 | |
| M | Sri Lanka U20 | 01/01/1900 | 4x400 Metres Relay | Heats | 3 | 3:08.88 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Sri Lanka U20 | 01/01/1900 | 4x400 Metres Relay | Final | 8 | 3:09.38 |