Start Time: 02:35pm
WR 10.49 Florence Griffith Joyner (USA)
ER 10.73 Christine Arron (FRA)
IR 11.43 Michelle Carroll (IRL)
MR 11.14 Yelana Nevmerzhitakaia (BLR)
Wind Speed: +3.7
| Place | No. | Lane | Name | Country | YOB | Official Time | Reaction Time |
| 1 | 19 | 4 | Ivet Lalova | Bulgaria | 84 | 11.24 | 0,186 |
| 2 | 20 | 7 | Ailis MacSweeney | Ireland | 83 | 11.52 | 0,184 |
| 3 | 16 | 5 | Niamh Whelan | Ireland | 90 | 11.54 | 0,259 |
| 4 | 18 | 6 | Claire Brady | Ireland | 87 | 11.57 | 0,181 |
| 5 | 15 | 2 | Kelly Proper | Ireland | 88 | 11.65 | 0,142 |
| 6 | 136 | 3 | Anike Shand-Whittingham | England | 89 | 11.81 | 0,204 |
| 7 | 107 | 8 | Anna Boyle | Ireland | 83 | 11.90 | 0,232 |
| 8 | 23 | 1 | Eilish Fitzpatrick | Ireland | 11.91 | 0,161 |
