| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Oisin LANE | 12/06/2002 | 35 Kilometres Race Walk | Final | 28 | 2:41:36 |
| M | Eric FAVORS | 16/11/1996 | Shot Put | Qualification | 17 | 19.19 |
| X | Ireland | 4x400 Metres Relay | Round 1 | 6 | 3:13.59 | |
| W | Laura NICHOLSON | 29/03/2000 | 1500 Metres | Round 1 | 13 | 4:14.12 |
| W | Sarah HEALY | 13/02/2001 | 1500 Metres | Round 1 | 3 | 4:02.67 |
| W | Sophie O'SULLIVAN | 23/12/2001 | 1500 Metres | Round 1 | 6 | 4:02.12 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Fionnuala MCCORMACK | 24/09/1984 | Marathon | Final | 9 | 2:30:16 |
| M | Cathal DOYLE | 12/11/1997 | 1500 Metres | Round 1 | 12 | 3:42.60 |
| M | Andrew COSCORAN | 18/06/1996 | 1500 Metres | Round 1 | 6 | 3:37.32 |
| W | Nicola TUTHILL | 22/12/2003 | Hammer Throw | Qualification | 6 | 70.70 |
| W | Sarah LAVIN | 28/05/1994 | 100 Metres Hurdles | Round 1 | 3 | 12.94 |
| W | Sharlene MAWDSLEY | 10/08/1998 | 400 Metres | Round 1 | 4 | 51.04 |
| W | Sophie BECKER | 16/05/1997 | 400 Metres | Round 1 | 6 | 52.19 |
| W | Sophie O'SULLIVAN | 23/12/2001 | 1500 Metres | Semi-Finals | 12 | 4:18.18 |
| W | Sarah HEALY | 13/02/2001 | 1500 Metres | Semi-Finals | 6 | 4:08.78 |
| M | Efrem GIDEY | 03/09/2000 | 10,000 Metres | Final | 19 | 29:30.37 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Hiko Tonosa HASO | 09/10/1995 | Marathon | Final | DNF | |
| M | Peter LYNCH | 26/11/1997 | Marathon | Final | 24 | 2:14:12 |
| W | Nicola TUTHILL | 22/12/2003 | Hammer Throw | Final | 11 | 69.49 |
| W | Sarah LAVIN | 28/05/1994 | 100 Metres Hurdles | Semi-Finals | 4 | 12.86 |
| M | Andrew COSCORAN | 18/06/1996 | 1500 Metres | Semi-Finals | 5 | 3:35.65 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Cian MCPHILLIPS | 07/06/2002 | 800 Metres | Round 1 | 1 | 1:44.91 |
| M | Mark ENGLISH | 18/03/1993 | 800 Metres | Round 1 | 3 | 1:45.13 |
| W | Sharlene MAWDSLEY | 10/08/1998 | 400 Metres | Semi-Finals | 8 | 51.22 |
| W | Sarah HEALY | 13/02/2001 | 1500 Metres | Final | 10 | 3:59.14 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Andrew COSCORAN | 18/06/1996 | 1500 Metres | Final | 12 | 3:35.87 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Mark ENGLISH | 18/03/1993 | 800 Metres | Semi-Finals | 3 | 1:45.47 |
| M | Cian MCPHILLIPS | 07/06/2002 | 800 Metres | Semi-Finals | 1 | 1:43.18 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Kate O'CONNOR | 12/12/2000 | 100 Metres Hurdles | Heptathlon | 3 | 13.44 |
| W | Kate O'CONNOR | 12/12/2000 | High Jump | Heptathlon | 4 | 1.86 |
| M | Brian FAY | 09/11/1998 | 5000 Metres | Round 1 | 17 | 13:31.12 |
| M | Andrew COSCORAN | 18/06/1996 | 5000 Metres | Round 1 | 19 | 13:56.95 |
| M | Darragh MCELHINNEY | 09/11/2000 | 5000 Metres | Round 1 | 10 | 13:42.56 |
| W | Kate O'CONNOR | 12/12/2000 | Shot Put | Heptathlon | 5 | 14.37 |
| W | Kate O'CONNOR | 12/12/2000 | 200 Metres | Heptathlon | 2 | 24.07 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| W | Kate O'CONNOR | 12/12/2000 | Long Jump | Heptathlon | 1 | 6.22 |
| W | Kate O'CONNOR | 12/12/2000 | Javelin Throw | Heptathlon | 1 | 53.06 |
| W | Ireland | 4x400 Metres Relay | Round 1 | 8 | 3:29.27 | |
| W | Kate O'CONNOR | 12/12/2000 | 800 Metres | Heptathlon | 7 | 2:09.56 |
| M | Cian MCPHILLIPS | 07/06/2002 | 800 Metres | Final | 4 | 1:42.15 |