# Ireland at the 2023 World Athletics Championships

Ireland competed at the 2023 World Athletics Championships in Budapest, Hungary, from 19 to 27 August 2023. The team won no medals, but two athletes (Rhasidat Adeleke in the women's 400 metres and Ciara Mageean in the women's 1500) achieved fourth-place finishes.

## Results

Ireland entered 24 athletes.

### Men
#### Track and road events

| Athlete | Event | Heat | Heat | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Result | Rank | Result | Rank | Result | Rank |
| Christopher O'Donnell | 400 metres | 46.76 | 7 | Did not advance | Did not advance | Did not advance | Did not advance |
| Mark English | 800 metres | 1:45.71 SB | 4 q | 1:45.14 SB | 7 | Did not advance | Did not advance |
| John Fitzsimons | 800 metres | 1:48.20 | 5 | Did not advance | Did not advance | Did not advance | Did not advance |
| Andrew Coscoran | 1500 metres | 3:34.75 | 6 Q | 3:37.39 | 14 | Did not advance | Did not advance |
| Nick Griggs | 1500 metres | 3:40.72 | 12 | Did not advance | Did not advance | Did not advance | Did not advance |
| Luke McCann | 1500 metres | 3:47.48 | 10 | Did not advance | Did not advance | Did not advance | Did not advance |
| Brian Fay | 5000 metres | 13:42.86 | 16 | — | — | Did not advance | Did not advance |
| David Kenny | 20 kilometres walk | — | — | — | — | DNF | DNF |
| Brendan Boyce | 35 kilometres walk | — | — | — | — | 2:37:26 | 24 |

#### Field events

| Athlete | Event | Qualification | Qualification | Final | Final |
| Athlete | Event | Distance | Position | Distance | Position |
| Eric Favors | Shot put | 19.65 | 23 | Did not advance | Did not advance |

### Women
#### Track and road events

| Athlete | Event | Heat | Heat | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Result | Rank | Result | Rank | Result | Rank |
| Rhasidat Adeleke | 400 metres | 50.80 | 1 Q | 49.87 | 2 Q | 50.13 | 4 |
| Sharlene Mawdsley | 400 metres | 51.17 PB | 4 q | 51.78 | 7 | Did not advance | Did not advance |
| Louise Shanahan | 800 metres | 2:00.66 | 5 | Did not advance | Did not advance | Did not advance | Did not advance |
| Sarah Healy | 1500 metres | 4:03.00 | 3 Q | 3:59.68 PB | 8 | Did not advance | Did not advance |
| Ciara Mageean | 1500 metres | 4:03.52 | 3 Q | 4:02.70 | 3 Q | 3:56.61 NR | 4 |
| Sophie O'Sullivan | 1500 metres | 4:02.15 PB | 8 | Did not advance | Did not advance | Did not advance | Did not advance |
| Sarah Lavin | 100 metres hurdles | 12.69 | 3 Q | 12.62 NR | 5 | Did not advance | Did not advance |
| Sophie Becker Róisín Harrison Sharlene Mawdsley Kelly McGrory | 4 × 400 metres relay | 3:26.18 SB | 4 q | — | 3:27.08 | 8 |

#### Combined events – Heptathlon

| Athlete | Event | 100H | HJ | SP | 200 m | LJ | JT | 800 m | Final | Rank |
| Kate O'Connor | Result | 13.57 | 1.80 | 13.47 | 24.78 | 5.74 | 46.07 | 2:14.06 | 6145 | 13 |
| Kate O'Connor | Points | 1040 | 978 | 759 | 907 | 771 | 784 | 906 | 6145 | 13 |

### Mixed
#### Track events

| Athlete | Event | Heat | Heat | Final | Final |
| Athlete | Event | Result | Rank | Result | Rank |
| Sophie Becker Sharlene Mawdsley Christopher O'Donnell Jack Raftery | 4 × 400 metres relay | 3:13.90 SB | 8 q | 3:14.13 | 6 |