| Iaaf: | IRL |
| Year: | 2019 |
| Games: | World Athletics Championships |
| Location: | Doha, Qatar |
| Competitors: | 8 |
| Events: | 8 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
Ireland competed at the 2019 World Athletics Championships in Doha, Qatar, from 27 September to 6 October 2019.[1]
| Athlete | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | |||
| style=text-align:left | Mark English | style=text-align:left | 800 metres | 1:47.25 | 32 | colspan=4 | ||
| style=text-align:left | Stephen Scullion | style=text-align:left | Marathon | 2:21:31 | 43 | |||
| style=text-align:left | Thomas Barr | style=text-align:left | 400 metres hurdles | 49.41 | 5 Q | 49.02 SB | 11 | colspan=2 |
| style=text-align:left | Alex Wright | style=text-align:left | 20 kilometres walk | 1:37:33 | 31 | |||
| style=text-align:left | Brendan Boyce | style=text-align:left | 50 kilometres walk | 4:07:46 | 6 | |||
| Athlete | Event | Heat | Semifinal | Final | |||||
|---|---|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | ||||
| style=text-align:left | Phil Healy | style=text-align:left | 200 metres | 23.56 | 37 | colspan=4 | |||
| style=text-align:left | Ciara Mageean | style=text-align:left | 1500 metres | 4:04.18 | 5 Q | 4:15.49 | 16 Q | 4:00.15 PB | 10 |
| style=text-align:left | Michelle Finn | style=text-align:left | 3000 metres steeplechase | 9:47.44 | 30 | ||||