| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | Gillian O Brien | Club | St. Finbarrs A.C. | Race Number | 12844 | Date | 26/10/2015 |
| Gender | Female | Gender Position | 2621 of 4175 | Category | F40 | Category Position | 634 of 928 |
| 10K | 01:06:40 | Stage Position | 11097 |
| Halfway | 02:20:13 | Stage Position | 10932 |
| 30K | 03:23:41 | Stage Position | 10673 |
| Gun Time | 04:49:00 | Overall Position | 10105 |
| Chip Time | 04:48:14 | Chip Position | 10130 |