| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Madushani HERATH | 04/05/2005 | Long Jump | Qualification | 12 | 5.18 |
| M | Dineth Induwara WEERARATNA | 14/01/2005 | 100 Metres | Heats | 5 | 10.72 |
| M | Merone WIJESINGHE | 10/07/2005 | 100 Metres | Heats | 2 | 10.55 |
| M | Merone WIJESINGHE | 10/07/2005 | 100 Metres | Semi-Final | 8 | 10.68 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Akalanka KUDA LIYANAGE | 16/01/2006 | 400 Metres Hurdles | Heats | 4 | 52.04 |
| M | Tharusha Dinushan AGAMPODI | 24/03/2008 | High Jump | Qualification | 6 | 2.05 |
| M | Lesandu Arthavidu GAMMANAGE | 16/05/2006 | High Jump | Qualification | 7 | 2.05 |
| W | Jithma WIJETHUNGA | 12/07/2006 | 400 Metres | Heats | 8 | 56.16 |
| W | Madushani HERATH | 04/05/2005 | Triple Jump | Qualification | 14 | 12.23 |
| M | G.W.Jathya KIRULU | 15/06/2006 | 400 Metres | Heats | 3 | 47.64 |
| M | G.W.Jathya KIRULU | 15/06/2006 | 400 Metres | Semi-Final | 4 | 47.85 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Sandun Kosala WIJAYALATH | 05/03/2005 | 110m Hurdles (99.0cm) | Heats | 5 | 14.04 |
| M | Malith THAMEL | 22/02/2005 | 200 Metres | Heats | 2 | 21.23 |
| M | Indusara Vidushan RAJAMUNI | 09/02/2005 | 200 Metres | Heats | 6 | 21.56 |
| M | Indusara Vidushan RAJAMUNI | 09/02/2005 | 200 Metres | Semi-Final | 7 | 21.93 |
| M | Malith THAMEL | 22/02/2005 | 200 Metres | Semi-Final | 8 | 21.93 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Sri Lanka U20 | 01/01/1900 | 4x100 Metres Relay | Heats | 2 | 40.14 |
| M | Akalanka KUDA LIYANAGE | 16/01/2006 | 400 Metres Hurdles | Semi-Final | 4 | 51.45 |